Showing posts with label battery. Show all posts
Showing posts with label battery. Show all posts

Saturday, March 26, 2016

Investigations revealed that it's possible

To put two 15 gallon barrels end on end on one side of the bus but only one on the other side. That's pretty much what I suspected. It's not possible to put them side by side due to there being insufficient space between the chassis and the skirt. Thus, it looks like I can squeeze in a 15 gallon freshwater tank and a 15 gallon dirty water tank on one side. There's no room for a black tank but that's fine. I went with a bucket solution anyway.

Today was one of those grey, miserable days that threatened and delivered on its threat to rain on everything. What with that and the darkness that comes with rain, nothing was actually achieved on the bus other than to put my latest bus purchases onboard for later use. Last night or this morning, I had an epiphany. I'd previously decided to put the barrels sideways because the ribs would act as stabilisers. Without the ribs as stabilisers I have to put stabilisers. I considered things like plastic door wedges etc but ruled them out as too small. Then I realised brackets would probably work. If the brackets are snug to the sides of the barrel then the barrel should not slop about. 

Lying in the yard from demolition of the hillbilly construction was a 14 inch bracket. As it is strengthened with folds, I picked it up and failed totally to bend it. Thus, 14 inch brackets were added to my shopping list. Clearly today was a shopping day - it just wasn't fit to do anything else!

The first port of call was the local Barnyard flea market where there was a CB kiosk. Those with longer memories will recall that on my trip out with the bus a few days ago, the flexible CB aerial was snapped off by a low hanging tree. Incidentally, it was that tree's turn to meet its maker yesterday morning. For days I had been plotting my revenge on that tree but had been too tired after work to be bothered. Yesterday however, m'lady had somebody in to plough the ground for crops. This is a homestead, after all! On its way out, the tractor clearly had encountered the tree and had snapped it off. Problem solved! It would however have been better timed if the tree had not been snapped off before I went to work. I had to go to the immense effort of getting out of my car to move the corpse before I could exit on my way to work.

Thus the first purchase was a longer CB aerial that I will install after I exit the property and remove before I enter the property! After that it was on to Tractor Supply. There, I found 8 more brackets, some chain that would support 450lb (15 gallons of water is about 125lbs) and some steel cable fasteners that looked idea to secure one end of the chain. The other end can be secured with my U bolts. With the length of the U of the U bolt, they can also be used to tighten the chain.

There are several tasks to be completed this week - the first being the electrical breaker box. Then there are the luggage restraints in the back closet and finally the grey water barrels. The fresh water barrel does not currently exist. Though I bought 3 barrels, they were all used and thus unsuitable for potable water. I'll do the fittings for a fresh water barrel but will have to wait until I am near a U-Line supplier that actually has new barrels in stock.

I've been thinking one way and another about the battery system and the ventillation system. Although I looked into installing a smaller 12v battery, I think my original idea was probably best. That idea was just to use tiny dedicated rechargeable lithium battery packs at $8 each. I figure 4 or 5 is all I'll probably need to power my tablet and phone over a few days without power. 

The solar fan is something I have investigated. There are several around but judging from what people seem to be saying, it's pot luck as to whether or not they actually work. Truth be told, the message coming across from all this solar and wind stuff is that it's very expensive. It's an idealistic thing that really isn't financially worthwhile. As an example, I could spend three or four hundred dollars on a set of solar panels plus about the same on batteries to get the same amount of power I'd get out of an 800w generator that I can get for $100. Given that I just don't have any real use for electricity with my butane stove, an 800W generator seems a trifle excessive! A 400W generator seems more realistic but such generators seem very hard to find. 

For the moment, the solar fan seems to be unavailable. The next thing I looked at was wind-powered extraction fans. Those seem to be massively expensive and available only in Britain though. There are some attic fans available but they're too tall. I don't want to raise the operational height of the bus beyond the three inches of the front vent. The alternative is a small computer fan and a battery or perhaps some kind of roof vent. Perhaps some form of anodised aluminum tubing could be used to draw air out by convection. That would seem to be the simplest and most environmentally friendly option with the bonus that it might even work during the night.

Plans to replace the top flashers with metal blanks still exist as does eventually a plan for a tow hook. There are quite a few underbus plans. One is to put a second video camera and another is to rewire the reversing horn but to a switch on the console. That way I can choose to operate it or not. It doesn't become one of those bloody annoying things that screams at people who aren't there at ungodly hours.

On the whole, things are looking promising. The biggest issue I have is with cutting through the environmentally friendly bullshit. As I've said before and it is a very unpopular argument, solar and wind power are the biggest most steaming piles of bullshit I have ever encountered. I have a 5W solar panel that I have played around with and the amount of power generated wouldn't light a fart let alone a light bulb. Years ago I was suckered into buying a solar panel after listening to the environmental bullshit. I wired it up to charge a flip phone and left it hooked up in a sunny place for a week. At the end of the week, the phone had enough power to operate it for a massive 15 minutes. Let's just say I was distinctly unimpressed. Solar and wind power just don't produce any worthwhile power but let's see who the proponents of solar and wind power are shall we? Impressionable students and salesmen actively trying to sell the crap. Now you know why it doesn't work!


Saturday, March 12, 2016

Decisions, decisions... And the story of the idea shot down in flames!

Attaching the 15 gallon drums underneath the bus was intended to be accomplished tomorrow. That won't be happening tomorrow though. Today I took m'lady to meet some friends of mine and during an exchange of information, I found why one of my previous positions ended. It transpired that I had not done the rotten job that I had been told I had done. It turned out that the manager in charge of the department quietly disliked me. That explains why some of the training I'd been give was rather obtuse. Afterwards, she'd admitted she'd got rid of me because she didn't like me. Now that I find is rather unusual because most people (not all) do seem to like me (or if they don't, they hide it pretty well).

So, the upshot of today is that I was in Lowes (hiss, spit) on the way back. My idea had been to use a chain with a turnbuckle to tighten it to perfection. That, it seems, is not possible. Looking at Lowes (hiss, spit) turnbuckles, they were all adorned with labels along the lines of "will not support a human" and "do not use to support weight" and seemed to be made of zinc. How useless is that? I have seen people using chains to secure tanks under their vehicles and I'm pretty sure they use turnbuckles to tighten their chains. Now it could be that Lowes (hiss, spit) specialises in supplying an inferior and inherently dangerous product and that many people just don't read the labels, ripping them off and relying upon them.

I had been criticised for considering using nylon cargo straps to secure my drums. It seems that cargo straps are probably the best idea. They can be tightened easily and while not being allegedly very durable, are probably as durable as a plastic tank! So, the answer is to put nylon cargo straps. While I don't possess cargo straps right now, they're easily obtainable. They're better doubled up for strength. I know 15 gallons of water weighs just over 125lbs. Thus if the cargo straps individually hold 120lbs then I can put 3 or 4 straps giving either one or two redundancies for safety. 

While I Lowes (hiss, spit) I obtained some small wire nuts. I came to the conclusion that I'm better off replacing the top flashers with plain metal sheeting. The idea of turning them into extra turn and brake lights at the back is very worthy but in terms of practicality, means adding more complications. Thinking about the existing wiring, it seems to me that since it goes straight to the control panel, it could be linked to my small solar panel to use to keep the bus battery topped up. Indeed, it might even be possible to use the wires to connect a solar panel to charge the house battery. The house battery, by the way, only needs to hold enough power to charge my tablet and my phone. That's next to nothing! Certainly keeping the bus battery charged is a good idea. With a little care, the power could be redirected to power a small electric extraction fan at the back of the bus. That would give the option of using the power for the fan.

Another interesting idea would be to couple a small 12v battery into the charging circuit for the bus so the battery charges when the bus is driving or when solar power is going in but doesn't deplete the main batteries when it's being used to power the house circuits. Realistically, the simplest way of achieving this is with a simple switch on the driving console. Power goes into the house battery when the switch is on. When it's off, the circuits are separate though remembering to activate the switch might be an issue!

Tomorrow, I'm not sure which tasks I will undertake. I'll probably replace the worthless paper blinds though. I might then look at the front flashers or even take the bull by the horns and install the main breaker box.

Monday, February 29, 2016

What is that fuzzy plug?

Yesterday I posted a slightly fuzzy photo of my new inlet in the side of the bus. Many of you will not have seen a connector such as that before. There's a reason for that - it's not sold in Lowes (hiss, spit) or Home Depot (cough). It is designated as a Nema 6-30I. 

The Nema designation means that it's an inlet (hence the I) and will handle 30A at 250v. Unlike the normal Nema connectors used in the US (Nema 5-15), this is a twist-lock connector. Now the twist lock means that when the connector is inserted, it can be twisted and locked into place. This has the upside that it won't fall out but the downside that it's easier to damage the inlet etc by simply tripping over the power cord.

On most RVs etc the connector used is the TT30 connector such as the connector I installed in m'lady's front yard. Here we get to the nitty-gritty! Hunting around I could not locate a TT30 inlet for less than $70. Thus I went for a different connector. It makes no realistic difference. It'll work just the same. The only difference is that if I have to replace the cord then I'll have to build my own cord like I have been. I can't use off-the-shelf cords.

The upside of off-the-shelf cords is that they're available at most RV outlets. The downside is that they're sold at huge prices. Cords are available secondhand (probably red hot too) but would you trust a cord of unknown capacity? I won't trust anything electrical or electronic that's secondhand. I've seen too many secondhand electrics and electronics bursting into flames.

A subsidiary upside of having a bespoke connection is that because it's non standard, it's not as desirable to those that would wish to steal cables. Now I'm not thinking of a masked bandit in a black and red striped sweater with a sack labelled "swag" over his shoulder but I am thinking of less scrupulous individuals that "forget" their RV cord and "borrow" somebody else's cord but never return it.

I can see a day when RVs will largely not have cables any more. Look at it like this - at $2.50 a foot for 30A cable - the cables are just ridiculously expensive. The standard RV cable is about 50 feet. That represents about $75 of investment just lying on the ground for somebody else to pick up and walk away with. If they figure they can get a bottle of beer out of it, they figure it's been a good day's work. Heavens I've even heard of people's house air-conditioners being stolen and they weigh up to a ton!

With the rising price of copper and the almost static cost of generators, there's going to be a convergence. It will soon be cheaper to slip a $300 generator under an RV than to put a power cord. I don't really see solar and wind power as being worthwhile.

Investigating solar power, to produce the 10A at 120v needed to power a microwave directly, I'd need 1200W of power. Solar panels are $1 per watt wich does not mean that I'd need $1200 of panels. Because of the poor light at times I'd most likely need $2500 of panels just to run the microwave directly at midday. 

Batteries seem like a good idea but the cheapest deep cycle battery gives 100ah of power which is a misnomer because you're only supposed to take a maximum of 55% out of a battery before the battery gets damaged. Thus a $90 100AH battery is about $2 per amp hour or 17c per watt hour. 

In order to run a microwave for 15 minutes (thinking about the lowest power microwave in Walmart that takes 15 minutes to cook a plate from frozen and which coincidentally rusts to bits in 2 years), 300 watt hours of power would be needed at 10A. Now those two factors are very important. Remembering the 10% power loss from using an inverter (and ignoring the $300 cost of a 2KW inverter), 100A at 12v would be needed for 15 minutes. Most 12v batteries can't discharge more than 20A for more than a few seconds without getting dangerously hot. To be safe, think about 10A. This means 10 batteries in parallel, each weighing 50lbs would be needed to power a microwave. That's 500lbs of battery.

How much would a system cost that could power a microwave? Well, $900 in batteries, $1200 in solar panels, $300 inverter plus whatever I haven't thought of. That's a minimum of $2400. Of course if you went for lithium batteries, you'd need less batteries and be carrying less weight but be paying 20 times more for the batteries. EG a 300ah lithium battery is about $3500 and has a maximum constant discharge of about 50A.

So, the cheapest form of cooking power is a plug-in for electrical operation. The cheapest plug is a Nema 6-30. But cheaper even than carrying a generator is a portable gas cooker with butane tanks just like you'd use for camping! 

Wednesday, February 24, 2016

My first meal

Today, just as dawn was breaking and the cock was crowing there was a power cut in m'lady's household. That, for her means no water, no light and no cooking. The water is pumped via an electric pump from a 100 feet deep well. Cooking is electric as if everything else.

Thus, to the rescue came my little Coleman gas cooker. It made tea and cooked breakfast. I notice the gas cylinder is lighter now so I'd imagine an 8.8oz cylinder might last a week. That's really not too bad though I might be well advised to look for a better gas cooker and a way of slinging a gas tank underneath the bus. 

Actually while in the land of Nod last night I was thinking about improvements. I suspect a 12v 100ah deep cycle battery will be all I will reasonably need. That could be charged from the alternator and feed into the starting circuit when the bus batteries are low.

Thoughts aremulling around in my head most of the time. Right now, the immediate tasks are to get the shower curtain installed, insert drawer partitions, complete my 120v power inlet and hang some waste-water tanks together with a release faucet.

This weekend looked like being a great weekend to do this but I have to work on Saturday so I shall be unable to work any day bar Sunday. Sunday - with luck - should see the welding on the side of the bus done and the power inlet installed. 

Monday, February 22, 2016

My first shower

Yes - I'm a dirty bugger - this is my first shower ever. M'lady's water heater died yesterday so there was no hot water last night. Thus, this morning I went to the bus to get my shower equipment. I could have showered in the bus but as the shower base is being used to store screws etc, I didn't venture use the shower in the bus. Mind, I also need to install a shower curtain.

The good - I had a shower and managed to wash my hair, my body and came out clean. 

The bad - the shower unit is new (only been used once for testing) yet the hinge on the battery compartment has broken already. The hose connection from the pump unit to the output hose leaks pretty well.
  
I wasn't really expecting to have to fix the shower unit on its first real use. Thank goodness I didn't pay Amazon's rip-off price for it. I paid $18 rather than $35 because I bought mine on eBay. Same exact thing that Amazon charges more for. Having said that, duct tape is cheap and fixed the problem. I think a more permanent solution will be to put an external battery compartment.

It doesn't look elegant but it works which is the main thing. For the leaky hose connection, I suspect duct tape might not be the best answer. It's too flimsy to crimp the hose too tightly so I suspect the best would be to use a piece of soft copper wire and twist it slowly until it's barely tight. There might always be a leak there.

To use the shower, I half-filled my 3 gallon cooler with cold water then put a kettle full of boiling water into it. The result was luke warm - I could definitely do with two kettles of water. Having said that, I did manage to shower quite successfully. The key to good flow seems to be to mnake very sure there are no kinks in the hose. It definitely performed better today - with far more power than when I first tested my shower unit.

Showering like this definitely takes a while as it needs time to boil a kettle of water. The cooker works very well and the floor underneath does not heat much. I'd say the heat transfer is about on a par with the heat from my microwave.

The Coleman cooker cost me $18 from Walmart and the gas cannisters are $3 each. That's really not bad at all. The shower unit was $18 too. 

In terms of use, I used about a gallon and a half of water to shower. My hair is long and takes a while to shower. The key is to wet it, rub shampoo in quickly then work on rinsing it out before proceding to lower parts. Crouching in the shower worked well. Now if I was some bald dude then I can well imagine using maybe a gallon or less of water. I'm not a bald dude though!

I can honestly say that I really quite like this shower setup. I had thought it might be irksome or problematic but it all went together very nicely. The biggest improvement would be for the pump unit and the battery unit to be separated. Now I have seen some 12v versions of this which would work well enough if I had 12v in the bus. Right now, my unit runs off 4 D cells. 

In conclusion, the shower unit's construction quality leaves something to be desired. The efficacy is good. The cooler worked very well and works as a very handy limiter on the amount of water used. The gas cooker was slow and the kettle didn't hold enough water. The shower I had was very effective and quite pleasant though luke warm due to my cooking up only one kettle of water. The cooker needs some while to cool before being put in its box again. I can't imagine lugging the shower and the cooker if I was actually on a backpacking camping expedition but I suppose somebody woud. The nearest alternative is a gas-powered shower unit that costs $140 or over $100 more. This setup represents very good value and I'll keep using it.

Sunday, February 7, 2016

Meandering toward perfection

Not feeling much like doing anything today I started by gathering up most of the garbage in the bus and by putting it all out in a big cardboard box. Then I gathered all my tools up and put them in the tool box. Now I might be able to find things. I put together a box of consumables such as paints, sealants, glues and lubricants and a box of electrical stuff.

Next I ventured outsde and derusted then primed a piece of angle iron that I found yesterday in the bushes. That will make excellent angles on the new breaker box compartment. I didn't do any welding - pretty much because I didn't really feel like doing any.
After that, I took an old enameled steel table top that I'd found in a junk pile and cut the steel for the sides of the compartment. They're roughly cut and will have the final cuts next time around.
Thinking about filling the hole in the side of the bus left by the hillbillies, I remembered the remains of the seat back that I used parts for filling in where a window was missing. It should be the same thickness as the bodywork steel. In any case, it's about the same size and will need minimal trimming to get it to fit.

After this, things remaining to do...
1. fit the 120v inlet socket.
2. Install two or perhaps all 3 of my 15 gallon drums as waste water tanks.
3. Fit drawer separators so things can be stored in the drawers easily and so china doesn't get chipped in transit.
4. Install a 12v battery system powered by a 30W solar panel.  That could use a NIMH battery setup. In fact I prefer NIMH to both lithium and lead acid.
5. Tow hook and tow wiring.
6. Rewire the schoolbus flashers to be brake lights and indicators.
7. Install a front door unlocking system.
8. Weld some steel over the lower window of the back door as a security measure.
10. Install a shower curtain.

That's about it. After removing the I beam underneath the bus, I eliminated my step which made getting in and out more challenging. To aid me, I spent $12 on a set of folding steps from Walmart. They work though I have to put my knee on the floor of the bus and hoist myself up. 

In terms of registering the bus as a motorhome, I might as well complete the forms and get that underway.

Saturday, January 30, 2016

How much work was done today?

Well, it doesn't sound like a lot but decisions were made which makes for big advances. Physical progress was limited to derusting and painting two pieces of steel from the ends of the roller shutter assembly I dismantled a while ago.
The ends had been held on by two very rusty bolts. When I took the main steel from it, I didn't undo the bolts - I just cut the top of the steel fairly close to the ends and let the ends drop off. Today I had to remove the bolts. Rather than fight with them, I simply cut them off with the angle grinder. Then I derusted the ends with the rust/paint stripping brush in the pistol drill and painted them with Rustoleum primer for rusty metal. One side got painted anyway. The other side needs painting now.

That all followed on from an investigation I carried out earlier into the prospect of putting a small compartment to replace the rather large hillbilly compartment. I'll probably have to get some 1/32 welding rods as my 1/16 might be too thick to weld bodywork steel. I'll try with my 1/16th first though. There is some air conditioner ducting lying around and if I can successfully weld that then I can successfully weld the bus steel.

The plan is to put a much smaller door on the bus for the compartment. As far as electrical power goes with a small battery, I'm not sure that I really want to weld a compartment there. Instead I'm thining I might just put a couple of straps and strap a steel ammunition box underneath containing my previously mentioned solution of using AA batteries, battery trays and a charge regulator. Basically, I'm going lightweight with pretty much everything.

While I was looking around underneath the bus, I found the reversing horn and was intending to test it but never actually got that far. I did notice that there was a sign on the chassis that said "Do not weld to nor drill into the flanges". The body is held on with steel clamps. I looked at the I girder the hillbillies had put on. That was welded via a spacer to the flange on the bottom of a chassis cross member. That was really close to a very readable sign that tells people not to do that! Let's just say that nothing the hillbillies did surprises me! That girder must be removed for two reasons.

Firstly the girder is unlikely to make a good trailer hitch since it is tack welded to the rear bumper and to the chassis cross member which makes it rather unlikely to be all that strong. Secondly, in the event of a rear collision, the chassis cross member could get bent. That would be a horribly difficult and expensive fix.

I put up self-adhesive blinds in the bathroom over two windows. That was quite easy. I stopped off at Walmart later and picked up three more in order to finish putting blinds on all the windows. The bathroom door window didn't have enough room to put a blind so I decided to get some opaque shower curtain material and attach it with velcro. It was then that I realised I could do exactly the same thing with the shower curtain over the shower.

I considered looking at replacement plates and dishes but didn't because I'm not quite ready to go there yet. At the moment I'm finishing getting the inside 100% habitable and getting the breaker box compartment completed. I'll do a lot of welding for that and am hoping my exisiting long steel rivets will work to attach the new compartment. The compartment will be a welded unit, riveted into position. I figure it would be better for rivets to be sheared in a collision from the side than for steel supports to be bent. 

While I was out, I picked up a small set of steps. Those will be handy if not esential now that I have to remove the I girder. My way of ingress has to date been via the back door. The girder was in the right place to use as a step. Without that girder, steps will be needed and Walmart had just what I needed at a price I was prepared to pay.

Tomorrow the plan is to work toward constructing and installing the breaker box compartment. I will also press on with putting up the last of the blinds and consider putting up the shower curtain too. If there's time - which there could well be since I have to apply layers of paint then I'll probably have a go at removing the I girder. That's attached so poorly to the back bumper that cutting that weld should be very easy. The other end, I'll just cut the spacer as close to the top of the spacer as possible.

Once the breaker compartment is installed, the rest of the old cable compartment will be closed up. Following that, I'll have to install the new power connector. I bought a socket box and some extenders for it. That way I can install the new power connector. I had thought of making my own socket box but don't really have a suitable steel box and am not that confident about my welding ability.

Actually, having all the stuff as light as possible has two benefits - firstly it puts less stress on the skeleton and secondly, if it broke loose and fell off then it's less likely to be such a disaster when I'm driving. There is a third benefit that it makes the bus lighter and thus less thirsty on diesel.

Out of curiosity I have been playing with old vegetable oil. For most of the last six months I've been pouring old used vegetable oil into a 5 gallon bucket. Looking at it the other day, it all seems to have solidified. Clearly not quite what it's cracked up to be and not quite suitable for use in a diesel engine. Still, I'll find a use for it even if it's just painting on exposed steel to prevent rust.

Sunday, January 24, 2016

Are rednecks my salvation?

Today the plan was to practice welding thin steel only that's not how the day unfolded. The day itself was fine - bright, cold and dry. Enthusiasm for welding was non-existent although I did trek into the bushes to find some suitable-looking steel. Hunting around the bushes here can be very fruitful when it comes to finding steel, plastic, old-style glass Coke bottles and abandoned household equipment. Thank the Lord for rednecks and their haphazard way of dumping stuff they no longer want.

Having scoured around the bushes, I realised I need to finish the inside - that's blinds and shower curtains. The existing hillbilly cable compartment does work - it just doesn't look pretty. The plumbing works though I do desperately need to put a hook to hang the bucket. That will have to wait until I can figure out a way of doing it well.

Thus, I headed inside and started putting up blinds. Cutting them with the angle-grinder requires a steady hand - which I developed as I cut more blinds. Needless to say, I'd forgotten where I'd put the brackets for one set of roller blinds and had to have a darned good hunt to find them. In the end, they were in a Walmart bag that contained a few bags of jelly-beans (my weakness).

The roller blinds take some getting used to as they very often need manual winding for the last few inches. Having said that, they're easily cleaned, easily removed and I prefer them to curtains for the bus. Curtains would, of course, have been cheaper. They could have been simply sets of bandanas. I'm sure that since the local football teams are the Gamecocks and Clemson that I could have got Clemson or Gamecocks bandanas for next to nothing in the charity stores.

Closed, the blinds do not look bad. These cost $4.95 in Walmart at the mounts were 97c a pair. Not too bad. The blinds in the galley are just privacy blinds - not light blocking. They can be seen through the window tint as lighter areas. I did get a room darkening roller blind but that was $6.95 so I got that purely for the bedroom.

I'm getting some light-pollution problems on my phone camera at the moment. I think it's because I"m including the light source in my photos - the LED hurricane lantern. Anyway, in the photo you see my cheapo tablet and a very elderly 3 megapixel zoom compact plus my clock. After my Nexus died I figured it just wasn't worth spending a lot on a tablet since they're pretty well disposable. Indeed, I asked somebody how much they would charge to fix it and they wanted as much as my cheapo tablet cost!

Having done the main windows with blinds, there are the bathroom windows that have no kind of privacy whatsoever aside from tint and the other two half bedroom windows. Those windows I will put paper blinds over. I couldn't use paper in the kitchen because of the cooking aparatus. I needed something less likely to flutter in a breeze. The bedroom will get black, room darkening paper blinds. The bathroom will just get white privacy blinds.

I took the International logo off the front of the bus today - the grey paint around it was peeling so I removed the logo and sanded it down. Then I sprayed with the cheap, lighter paint. I'll probably slap some Rustoleum grey on it at some time. That's not a priority right now though. The priority is to get the bus operable as a motorhome which it pretty much is now.

Having done the shower curtains, I'll put separaters in the drawers and put my china in the drawers as well as giving the bus a darned good cleaning. The solar stuff can wait. That's not a priority. The breaker compartment needs to be done soon though. As far as an underbody battery compartment is concerned, I'm not too sure it's really worth bothering with one. It might just be better to charge a dozen or so AA batteries using solar power. Those could be used to power or recharge USB devices. Another thing I'll do is to mount my whiteboard on one of the walls. I have had that whiteboard for a long time and it does come in handy for things occasionally.

The whiteboard has an interesting history. At one time I was going to do face-painting and photography with really good posed photography - not the kind facepainters do. I interviewed three facepainters. One decided she didn't want to spend $3.99 on facepaints from Walmart and lied and kept lying about her facepaint order always going to arrive. Total timewaster. The second facepainter called to arrange an interview then called five minutes before to reschedule and after the third call to request a reschedule, I realised she was a timewaster too and told her that if she found it that hard to attend an interview at a time that she suggested then it was highly unlikely that she would ever turn up to work. She argued and demanded I didn't tell the welfare people she didn't show. I should have told them but quite honestly it would have meant extra work. The final facepainter suddenly announced midway through the interview that she was a lesbian and went on to talk about her girlfriend. That really had no place in the discussion but I glossed over and we agreed to work together. Needless to say that involved buying a whiteboard to write prices etc on. Then she never showed to any sessions. Again a total waster which is pretty much my opinion now of all facepainters. The redundant $6.95 whiteboard has come in very handy in my kitchen though and I expect it will

I thought long and hard about the underbody battery compartment and for the amount of power I'm likely to use, it's not really justified. I was thinking of putting a solar-powered extraction fan in the bedroom. That seems to me to be worthwhile. That'll keep the bedroom cooler in summer. That can pump air out underneath the body.

The less complications I build in, the better to be honest. This is why I'm aiming at simple, cheaper solutions. I've been thinking long and hard over the extraction fan in the kitchen. I know it's needed. I'm not sure whether to have a straight chimney with a cap and no actual fan with the chimney going up through the roof on one of the sides where it won't add to the height of the bus. Another solution would be an actual fan, drawing the air from above the stove and blowing it out through a vent either under the bus or through a vent hole in the aluminum sheet that replaces one of the missing windows. On the whole, as heat rises, it might be better to blow cooking heat and steam down and out. Nobody will notice an extra vent on the side of a bus!

Saturday, January 23, 2016

It's colder than a witches tit today!

It has been below freezing for several days in a row. It's highly likely that I won't be doing any welding tomorrow. Today was just plain miserable most of the day. It was made even more miserable by a stomach thing that fortunately cleared up by 4pm.

Thus, at 4pm I headed out to Walmart, being slightly surprised that my car battery actually started the car. It didn't want to but it did start. So, while the mechanics at Walmart changed my battery (which was free), I went shoppng and got 4 more blinds and 4 mounts for my blinds. The cheapest blind at walmart was $3.95 but these were $4.95 roller blinds. For the other windows - in the shower - I suppose I could use the $3.95 blinds but I haven't given that much thought. I'm thinking more in terms of how to attach shower curtains to the ceiling.

Looking around Walmart, I saw some very interesting things but my mission today was explicit - blinds and battery. If I don't stick to my list then it's likely that I'll spend too much. Income is not unlimited and the last paycheck I was given has to have special consideration as it was printed incorrectly. Apparently it'll be OK with the issuing bank because they know of the error. My bank might be another matter entirely though!

Of interest were another D cell lantern for $20 - mine works very well though with just one, lighting is limited to a small area. For the potential battery I looked at the EverStart Lawn and Garden battery for $20. It was interesting but did not state its capacity at all. Given that all I would need to power would be fans and phone/tablet chargers I really don't need much power. I could probably get away with a 20ah standard battery and use only 2-3 ah out of it. Indeed, I could probably - if the USB connectors would handle voltages that low - use a 6v battery. That could even be a DIY battery made of NiMh AA cells. Now that would be definitely worthwhile. I have a pile of NiMh AA cells that I don't use.

As it's perishing cold right now, I was looking at alternate heat sources for my bus and chanced upon a Coleman gas heater. The one of immediate interest seems hard to obtain. It's called the Coleman SportCat but nobody seems to stock it. It takes a different size of gas cartridge and offers 14 hours of continuous heat per cartridge. That's definitely doable.

I'm not too keen on having multiple standards of gas cartridge or indeed multiple standards of anything but sometimes it is necessitated by cost and availability. Apollo 13 discovered to their cost why different standards are a very bad idea when their spaceship had a mishap. It turned out that the lunar lander air filters had a different fitting from the command module filters. Thus they had to rig up a solution in order to make the wrong filters work in the command module just to survive.

Clearly I need to add some more fire extinguishers but that was always the plan anyway. I did wonder whether I should build a bay under the bus to hold a couple of 20lb gas cylinders. Plumbing for gas needn't be expensive or hard and is very possible. The gas cooktop could be installed above where the fridge or cooler will be situated. Indeed, I looked at coolers today and saw one that would do that was $22.

In mind today were the schoolbus flashers. The plan is eventally to intergrate them into the turn signal and braking light systems. The existing reversing horn needs to be tested and connected to a switch on the control console. That way I can switch it on when reversing and off when not which would also give the option of having it sound when necessary and not when it's not or not when it's dark and would unnecessarily cause noise. There's a lot of systems work that could be done.

The aim right now is to get the blinds and shower curtains up. That will get the bus pretty much ready inside. I would like to have the battery/cable compartment refitted but this is not essential right now. I think with the blinds and curtains in place, I will be able to reregister the bus as a motorhome. I will want to put a couple of extractor fans - one over the cooking area and one in the bedroom but those can wait a little while.

If it's a nice day tomorrow (which it should be) the plan is to install the blinds and possibly get started on replacing the battery/cable compartment. The compartment will take a while. I need to experiment welding very thin sheet steel because the aperture under the bus created by the hillbillies is way too big for the new breaker box compartment. The new battery compartment will be quite small as it doesn't now have to carry a battery big enough to power the cooking systems.

It's always a toss-up which way to head with design and one person's error could be another person's salvation. I don't like gas - never have and probably never will. On the other hand the cost of a battery setup capable of powering a microwave would need a battery capacity costing $500 while my electrical system will cost maybe $50. A small battery such as the one planned could be charged from a smaller solar panel. Indeed, solar in this instance would work. This is even cheaper than the generator system I had planned earlier.

The only issue I am likely to have with tomorrow's welding is that the bus is probably beyond the reach of just a single one of my two 20A cables. One cable has Nema 5-20 connectors at each end but the other has a Nema 6-30 on one end which won't connect to anything other than the planned connector on the bus. The solution there will be to start the bus engine for the first time in 3 months or so!

I can honestly say that I am looking very much forward to getting the bus completed and ready for action. I want to see if I can get it ready and reregistered in time for the Battle of Aiken so I can take it for the whole Battle of Aiken weekend.

Monday, January 18, 2016

Now I'm really getting there.


It might not look exciting but it is a significant step forward. The plumbing descends from my shower via a U bend to a bucket placed underneath the bus. It might not be very high tech but it does mean I can now claim my bus has adequate plumbing. The pipes are held in place by clips attached to the brackets I welded the other day. The aim is to install the barrels I bought the other day but this is dependent upon finding the right plumbing adaptor. Now that could be very hard to find so for the moment I'm sticking with a bucket. 

As you can see, the pipe comes down, ending in a cap that protrudes slightly below the skirt. This is not intended to remain so but is rather useful for locating where to place the bucket. One thing I will add is a hook to hang the bucket from so that it won't blow away. In summer, evaporation should see the level of the effluent reduce through evaporation.

When I went shopping the other day, I bought a little gas cooker and some cooking items. These will make a huge difference as the gas will take care of the biggest power drain in any home. Cooking uses absolutely the most power. I have not tried a raw food diet but I gather raw food involves no cooking. It does require refrigeration though which is a constant power drain.

It really is a nifty little gas cooker. The kettle is nifty too. I don't as yet have an extraction vent above the cooker. This, by the way, is the bathroom vanity and not where the cooker will be situated. I was thinking of having it situated there when I'm gas cooking and just leave the microwave where it's currently situated. Thinking about it, and in view of my adventures with the roller blind, it might well be better just to swop the microwave and gas cooker around as required. That way I could put just one vent.

The cooker had all kinds of wacky reviews, mostly centered around being unable to find gas cylinders and the price of the gas cylinders. They were right next to the cooker, in Walmart and were $2.40. The small print says 8.8oz of gas and the cooker says that a single cylinder can last up to 1 hour, 15 minutes. I presume that's on low. Given that most meals take 15 minutes or frequently less to make, that doesn't seem to be much of a probem to me. In any case, this bus is intended for electrical plugin operation, not off-grid though I'm making sure it can be used off-grid.

Going back to an old problem - the china I had was all 9 or 10 inch round plates. I found that they are now 88 cents each in Walmart. My solution to the china not fitting my drawer was to give my existing china to m'lady who sadly did not want the matching mugs that I'd struggled to obtain. In Walmart are some 8 inch square plates. I might get a couple of those and a couple of square dishes too. That way I have something that won't roll in the drawer.

Today I turned my mind to the blinds. I bought a single blind the other day. It was way too wide and I'd reckoned I might be able to cut it down with my angle grinder. Thus it was - I cut it down and it actually worked. The edge on the cut side is a little ragged but that really doesn't matter. I'd like it to be smooth but I'm not prepared to pay massive amounts of money to buy a smooth blind of the right size. It's way overlong but that shouldn't be a problem. I did think about mounting it but the light had already gone by the time I considered that. Funny how that always seems to happen when I get to the interesting bits.

If you notice, at the top of the picture are two of the wobbling flower solar decorations. I won't be carving those up as they were gifts but having seen inside one, the wobble is caused by a magnetic coil that's charged by the small solar cell built into the base. I looked at the coil and am wondering whether one taken from such a decoration could be the solution to my front door unlocking problem.
Areas of the paint had peeled on the outside of the bus. That has been referred to before. Today I pulled out a pistol drill with a paint removing brush. I brushed areas where the paint was flaking and found the flaking to be of a local nature. I suspect I'll have to spot brush the whole bus wherever the paint is flaking and reapply the paint. Eventually it'll all stick. I found some cheaper spray paint in the dollar store but it seems to be slightly lighter in color which might not be a problem after a couple of weeks weathering.

Today's big fail was Rustoleum self-etching paint. I tried it and it sprayed well for a second or two then started spraying lumpy paint. Then the nozzle suddenly frothed and it stopped spraying. No matter what I did, nothing helped the situation. I had a can of Rustoleum rust killer that did this a while ago. I'm not that keen on Rustoleum - its just not good paint. It's cheap and that's its only virtue.

I looked again at the hillbilly cable compartment. The cable comes down on the left, very close to the front of the compartment. As I'm not needing to carry a big battery now, I looked at the compartment and looked at my massive construction and decided I could get away with a much smaller compartment. I will have to build a new, smaller compartment. 

Looking at the body ribs, I'd been worried about putting rivets in case of water ingress. Looking at the construction, they're not sealed at the ends anyway. The only question is how thick they are. I'm going to assume they're 15 gauge like the rest of the body. I can probably weld that quite satisfactorily. I think building the new compartment which will be purely a breaker box compartment with a plugin either underneath or on the side, I won't build it completely then try to weld it on. I'll build it in pieces, welding each piece into place. It won't have any great weight to carry which is a huge bonus.

Thinking about batteries again, the only thing I really need batteries for is to charge my cellphone, tablet and or a mifi pad. That could be achieved by simply charging cellphone charging batteries from a small solar panel. Those are cheap enough and put in a tin box insulated against fire, I could charge a couple.

I can't really see needing to charge much else. Charging my camera could be interesting. It's probably time to change camera systems. I suspect my 10 year old monster is not as good as a secondhand 5 year old marvel of technology. The thing holding me up there is that it's paid for and would barely fetch a single peanut on the secondhand market. My income wouldn't result in donation being a worthwhile tax deduction either. In fact last year I got back more in tax refund than I paid in tax!

The huge hole in the side of the bus will have to be filled. I'll have to see what I can do about that. I want to do something better than just rivetting a patch over the side but I suspect that's going to be the most expeditious solution.

The big news though is that today I consider it worth sending off to get my bus registered as a motorhome. I hate to think how much money I have spent on things I didn't end up using in my conversion process. Still, that's probably the same for everybody. Not everybody gets it right first time, particularly when there's nobody else in one's immediate and trusted circle doing the same thing.

I need to finish doing the blinds, to put something over the bathroom windows to maintain privacy and to put up a shower curtain. As far as the blinds are concerned, I can either put pairs of trimmed blinds over the windows or put cloth curtains with velcro attachments.

Looking at the paintwork today, the pain was peeling in the middle of the logo that said 3800 DT466. The first logo just came off very easily using just finger pressure. The second - on the other side needed a screwdriver and broke as it came off. They're off now. I might give the same treatment to the International logo on the front. I cleaned up where the logos had been and sprayed grey paint after filling the attachment holes with rivets. I don't know about my readers but I just don't like carrying other peoples' advertising. It's like shirts - if a shirt has a logo on it advertising some company or other then that shirt had better be free if I have to wear it for work or if it's outside of work then some company had better be paying me to wear it.


Sunday, January 17, 2016

The Final Solution or when the going gets tough, the tough go shopping!

Today was a mission day for m'lady but since I was out (even though I had to go on a second trip). I had ideas about attaching the would be water tanks under the bus body and plumbing them in but decided against chains as they would put too much stress on small areas of a thin-walled plastic drum. I looked at nylon straps but didn't get them immediately which as it turned out was rather a good thing. Looking at plumbing fittings, I couldn't find anything in Lowes (hiss, spit) that remotely fitted. There were adaptors that were alleged to fit but which didn't really. They were an incredibly sloppy fit which was no good whatsoever. I did manage to get an section that will join my long pipe after I cut it and which will serve to lengthen it. Cutting accurately will be somewhat irksome, of course.

My next stop was Walmart where I spent the majority of my time. There I picked up a roller blind that looked interesting. I'll have to see if I can cut it down with my angle grinder. It only needs to be 26 inches wide. It's currently 37 inches which is too narrow for two windows and too wide for a single window. I'll also shorten it since it'll be way too long. If the experiment is a success then I can work on putting two together for the other windows. That could be an interesting experiment.

While in Walmart I picked up a bowl and a jug which should be excellent for the bathroom/kitchen. Waste water can simply be dumped into a bucket underneath the bathroom vanity. In a similar vein, since I cannot currently find an adaptor to feed the waste water tanks from my waste pipe that actually fits anything, for the moment the plumbing will revert to my original idea which was to have the pipe going down to the bottom of the bus skirt with a stopper that can be removed prior to use.

Thinking about the electrical system, I noticed something very interesting. It was a rechargeable USB cellphone charger. Connected via a charge controller to a solar panel that could totally eliminate any need for a house battery for the bus. That makes me think more about redoing the battery compartment I've been building to make it smaller and lighter. As it is, it won't accommodate a full-sized battery thus it's way over built. Instead, I could do something a lot lighter and less complicated, replace the huge door the hillbillies put in with a smaller door and simply rivet aluminum sheet over the rest of the aperture. Basically, make it into purely a breaker box compartment. I might also include in that bay, a space to charge USB batteries. I don't want anything that flammible inside the bus despite having now got a gas cooker. At least a gas cooker I can attend while it's working but a solar charged battery I cannot.

Another thing I did was to get some truly independent kitchenware. There was a gas cooker with auto ignition for $18 that contained a small gas cylinder. That was well worthwhile. It was a single burner but it'll do to demonstrate independent cooking ability.

The refrigeration will be non existent other than a cooler. I grew up without a fridge, freezer, car, telephone or television. I'm well used to what many would be considered privation. There will be no television, of course. I do have a small pocket radio, my tablet and my phone (which can act as a wifi hotspot). I'm thinking a lot can be achieved with small solar panels.

Today or rather last night, it rained heavily. Walking inside the bus today I noticed or rather didn't notice any moisture. That means that my seam sealing was a success. I just hope the rest of my work will be as successful.

I had a look to see if I could find a 12v fan. That could be combined with a solar panel to keep the body cool during summer, extracting the hot air and blowing it out under the bus.

Returning to the underbody compartment, I've considered a smaller, lighter compartment many times before. Certainly a smaller, lighter compartment would be that much easier to attach with that much less risk attached if it fell off. Definitely food for thought. By using the compartment as it is does rather trap me into the hillbillies bad ideas. 

One thought is how to charge camera batteries. I've had the same camera for ten years so all the chargers etc are off the market by now. As it has a unique lithium battery, it's hard to find the correct charger. I'm wondering whether it would even be possible to find a charger that would work off solar these days. Phone batteries would be easy to charge off solar. Interesting thing to think about. Of course, I could consider donating my old camera and buying a newer (secondhand) model.

The plan for tomorrow is to complete the plumbing and to look severely at the hillbilly cable compartment. I had a nasty thought that the compartment I've built might be too long to fit the space. I'm coming more to the conclusion that less is more.

Saturday, January 16, 2016

That was bloody exhausting.

After today's exertions, I am absolutely exhausted. Heaven knows why but I find welding very tiring. I suppose that could be because it wasn't particularly warm today but it was very dry. I didn't complete everything I would have liked to have done but I got closer to completing a lot of things.

The first task was to climb up on the bus roof to reseal one of the seams. That took a complete cylinder of silicone sealant. Ideally I'd have used something other than silicone but since I've used silicone everywhere else and it seems to be working, I've stuck with silicone. This motorhome will only ever be a 20 year old vehicle. It will never get younger so imperfections aren't that important.

After that, I thought about my plumbing. I decided that for the moment I'll plumb for a bucket under the bus. It should be straightforward to add underbody tanks. The plumbing didn't go quite as planned as it was the last thing done today. Needless to say, I cut the tubing too short after having previously cut it too long. It's currently an inch too short after being an inch too long. Having said that, this is what it looks like.

The long horizontal is an inch too short. It would be usable with a small block placed between it and the attaching point. The jubilee clip I bought to attach it turned out to be way too small. I'll have to buy a couple of bigger clips. Now the attachment point was the first thing I made this morning. Basically, it's two steel brackets welded together. 

Welding was where I made great progress today. I started using 6011 rods rather than 6013 and started getting an arc every time rather than having to fight to get an arc. Most things needed a second pass to get the weld to look good but I burned through fewer sticks and had better welds. I ended up making four tube mounts. Two are to hold the downpipe and two more to hold horizontal pipes when I get the tanks installed.

This was part way through my welding progress. Welding small stuff was way easier than I thought it would be. It was important to keep moving the rod though as I did burn the edge of one of the brackets away a little in one place. 

This is how the mounts looked when completed. After welding them and clearing the slag off the welds, I sprayed them with cold zinc plating. Now that's quite expensive but if it stops rust then it's worthwhile. One is already installed but the second isn't yet as the battery in the electric drill expired before I finished drilling the second hole.

Another task completed was to weld the two parts of the roller shutter top that I'd previously cut into two pieces. I welded with 6011 rods both at the top and the bottom of the join. I did several runs with the welding rods in order to make the welds look good. In between runs, I wire brushed the slag off the welds.

After brushing the slag off, I sprayed with my zinc spray. I would have liked to have cut the construction to fit the battery/cable box but I didn't have time. After I'd worked on the plumbing, it was just too dark. The sun had escaped from me again. I'm just hoping it appears again tomorrow!

I have concerns over whether my underbody work will be too much for the skeleton. I might complete what I'm building for the underneath and then ask my mechanic for advice and maybe get him to weld the underbody stuff. I really don't want stuff dropping off as I'm driving!

Sunday, January 10, 2016

Lesser achievements but achievements anyway

No photo today. Sorry - it was dark before I'd really done enough to merit a photo. The day started off with my planning to do the plumbing under the bus. Thus, I played around with my plumbing bits and found the S bend I'd bought wouldn't fit anything else that I had so I coupled together a few bits and bobs to make a strangely shaped U bend. The problem is that I've bought bits from Lowes (hiss, spit) and Lowes (hiss, spit) seems to specialise in non-inter-compatible fixtures. 

The resultant U bend looked pretty good and was glued together. Then I realised I should - since it was a fine day - get up on the roof to finish off the final seam with silicone seal. Oops... The silione seal had dried up. There weren't quite enough plumbing supplies either. That and the fact m'lady's chickens were out of feed meant a trip to Tractor Supply.

Before I left, I had a quick look underneath the bus. The barrels will fit very nicely between the main chassis members and the side of the bus with enough room for my plumbing parts. I judged I would need 4 more right angle bends and two T sections plus some kind of faucet. Making a quick list, I headed out. Half way down the driveway I had inspiration and went back and grabbed a stopper from one of the barrels.

Arriving at Tractor Supply in glorious sunshine, it took a while to find a cart to carry 100lbs of chicken feed. That 100lbs should last the chickens about a month to six weeks. Then on the shelf I spotted some galvanizing paint. That, apparently is 98% zinc and should protect my fresh welds very well from rust. Then after getting the plumbing parts I wanted - aside from the faucet, I saw something interesting - a great big T junction with threads. Out of curiosity I tried my stopper from the barrel into the T and it screwed in perfectly. Then I found the male mate. I picked out two - one for each waste water barrel. 

When I looked underneath the bus earlier, I found two barrels could be fitted very nicely between I section girders. That means I can use simple bolts to attach the straps that hold the barrels. That makes life considerably quicker and easier. The whole plumbing operation can be carried out simply and painlessly. The sections that screw into the barrel are way big in the center and need to be stepped down to fit my pipework. Needless to say Tractor Supply didn't have the correct parts.

Leaving Tractor Supply, the next stop was Walmart for silicone sealant. Tractor Supply had it but it was 50% more expensive than Walmart so I picked some up. While I was there, I looked at the camping gas cookers and saw a very nice dual burner cooker with wind shields for $35 and a set of cooking pots for it for $30. That was very interesting and it seems a pair of gas cans are $6. According to the blurb it seems that on full blast with both burners going, 16oz of gas will last about 90 minutes. That sounds very doable.

Leaving Walmart, I visited Lowes (hiss, spit) to see if they had anything I could use as a faucet or to step the big pipe down. Needless to say, they had rack upon rack of irrelevant stuff. As I studied the racks an announcement came over the speaker to the effect the store was closing in 4 minutes and that I should proceed to the registers. So, not having found anything I headed to the door and left.

It transpires there's a better plumbing store on 378 so I might visit that or the plumbers supply in Lexington later this week. The plumbing looks like it'll be a load easier than I thought. I didn't get plumbing straps nor any means of attaching them to the chassis but that doesn't sound that hard. Everything has been a case of working out how to do it. I'd been wondering how to stop the barrels from sliding but having seen the space available, there shoudn't be a problem. I could probably use two straps per barrel but I'll probably use 3 for safety.

Once the plumbing is done, I can work on the battery compartment. Having cleaned and painted the metal that will be the floor of the compartment, I expect that the first fine weekend I shall be welding the floor to the compartment. 

The front door remains a problem waiting to be solved. I'm going to keep the door as a concertina affair. I just need to work more on a way of getting the latch to lift. If I had air brakes then I could simply tap into the air cylinder for a simple plunger and use residual pressure after bleeding the tanks. On the other hand that would mean I'd need to pressurize the tank every time I opened the door. It is, of course, possible to put a small air tank but I don't think I will.

Sunday, January 3, 2016

Things I have learned during the progress of construction..

1. My carpentry has improved greatly but needs further improvement. It's perfectly functional but I need to learn how to make proper joins in wood rather than relying upon steel brackets, bolts and OSB panels screwed to the beams.
2. Internet forums are completely useless, full of asinine opinions, dangerous suggestions and aggressors that call my carefully constructed motorhome all kinds of names - when they're not being abusive to me personally.
3. US plumbing sizes are rather fictional. I measured a 1.5" right-angle tube at 1.75" with my tape measure - and that was the inside diameter. To find plumbing bits that fit, it's necessary to go in and try things rather than to rely upon what's written on the item itself. 
4. US electrical systems are reasonably straightforward though the electricians that install things are not to be trusted. Better to look up how to do it and to do it yourself.
5. Rustoleum (Hammarite in the UK) produces the world"s most useless paint. If it can be avoided then do so.
6. Latex paint is for ceilings only.
7. Silicone sealant works but nothing sticks to it - way better to use latex sealant.

Today was a shopping day so it was a trip to Lowes (hiss, spit). I came to the conclusion that despite the fact that Lowes is unbelievably dishonest, since the nearest Home Depot and Tractor Suppy are 8 miles further and hence (even at $1.67 per gallon) an extra $1.50 to get there and an extra half hour in insane South Carolina traffic.

So, the upshot was I got enough cable to complete 60 feet of cable from the power post to my bus. I also got sufficient plumbing supplies to complete the plumbing underneath the bus. The termination in my plumbing will be a simple stopper screwed into the bottom of the line. That's just going to be there in order to stop critters from crawling up when it's not in use. 

Before I did any of that, I cleaned up the steel plates that will be welded ito the battery compartment using an abrasive brush in the pistol drill. That removed most of the rust. Then I slapped Rustoleum primer for rusty metal. If that kills the rust as well as primes, I'm happy. I rather suspect it'll be just as worthless as the rest of the Rustoleum product range.

The plan is to complete the plumbing, continue working on the battery compartment in the background, reseal one seam on the bus roof, work on the peeled paint, install shower curtains and blinds over all the windows. The battery compartment isn't 100% necessary right now as long as the cable compartment that's currently there for the moment though it has to be replaced. The priority is to get the above completed and get the retitling process under way. Longer term plans - well, the sky's the limit!

Saturday, December 26, 2015

Another epiphany

Toda started with the usual tummyache after eating too much on Christmas day. Then I headed outside to do battle with the metal that I dragged out of the bushes a few days ago that looked like an ideal floor for my battery compartment.

Cutting thin metal is always a challege for my angle grinder - which is now working perfectly thanks to the new carbon brushes and I went through several grinding disks. Good job I bought a second 10 pack of disks a while ago! Just look at the state of the disk I've just been using.

I cut the steel construction I found a few days ago, cutting the edge off one side and cutting it in two such that when two edges are welded together, the construction will be approx 18" by 29" which is about the size of my battery compartment.

As the steel had some handy folded edges, these will act as a strengthening bar down the center of the compartment. Very useful. I had, however to trim the excess fold off as it is somewhere water is likely to collect.

While cutting the floor of the battery compartment, a thought came to mind that has occurred before - namely why I'm even putting a battery compartment. I definitely need access to my main breaker panel and that's always best under the bus. Other than that, I can store the cables more securely inside the bus.

Given that I'm not putting a big house battery, the point of a battery compartment is somewhat questionable. Having said that, it does set me up for future expansion.

Thinking about batteries I was wondering about using NiMh batteries rather than lead-acid or lithium. Lithium batteries are just horribly expensive. NiMh batteries just don't seem to be available in 12v. This is a bit annoying! Out of interest, I looked up NiMh AA batteries and found I could get 48 for $24 and 3,000mah each. If they were put in sets of 10, giving 12v per set then I'd get 4 sets at 12,000mah or 12Aah. 

Thinking further about the NiMh idea, 6v would be way easier to work with just 4 batteries put in series. The downside is that all the charge controllers are set up to charge lead-acid or lithium batteries. To my mind, NiMh is way better than lead-acid because it doesn't gas and can be completely discharged without harming the battery.

Given that the only power I'd need would be to charge my phone, tablet and batteries for my LED lantern and my shower pump, I could probably get away with just D cells and a solar D cell charger. The D cells could in turn power a USB charger. Heaven knows how long that would take to recharge my phone though.

There are a whole load of different options out there for power. My favorite for cooling and for refrigeration at the moment are fans powered solely by solar power and a fridge powered solely by solar. The cold could be maintained in a fridge by simply using freezer blocks. The fans need only to remove heat when the sun is shining. As for the rest, lighting, the shower pump and phone charging - these can all be done from NiMh D cells. For the moment though, I shall continue the plan to install the battery compartment and the shower outflow.

Meanwhile, in a stunning development, the bathtub that m'lady often complained about has vanished. It didn't so much vanish in a puff of smoke but more behind a garden tractor and was hauled to one of the junk piles in the back yard.

It certainly looks better without the bathtub. For those with long memories and the ability to hunt through this blog, the bathtub came out of the original construction. It was used for most of the last year as a handy trash recepticle and had it not been full of trash, would have been easy just to carry.

Things are definitely progressing. The last thing done today was to paint the underside of the new bathroom vanity. This vanity will not have a sink. Instead it will have a removable plastic bowl that can be emptied either into a bucket or down the shower and hence into the bucket under the shower or onto the ground.
Apparently emptying water that's been used for hand washing is frowned upon. That seems to be just plain bizarre to me but I suppose if dumping grey water was approved, people would stretch it further and dump sewage too. Honestly though, as long as its buried properly even sewage can be disposed of outdoors without harm to the environment.

Wednesday, December 23, 2015

Rainy day at the Chicken Ranch!

No - not that kind of chicken ranch - the kind that actually has chickens that lay eggs! It's pouring down rain like there's no tomorrow. Indeed, after my hot shower this morning, I've had several cold showers since that made my hot shower seem somewhat arid in comparison.

Being a rainy day, I went shopping after my voluntary work this morning. Stopping off in a few places, I found that the Geek Squad won't work on tablets. I was, fortunately, referred to The SmartPhone Medic. Arriving there I found that they couldn't tell me anything because the boss was away. That begged the question as to why the place was even open and staffed since the staff seem so purposeless.

The next stop was *spit* Lowes where I got some copper tubing to make the base for the coil for my magnet. While there, I looked at the price of cables. $1.15 per foot for 20A and $1.89 per foot for 30A. Needless to say, since I want to set up for both 20A and 30A I bought 20A cable. Now, I don't really see a true requirement for 30A though internally the bus is wired for 50A. I figure a microwave will draw 10-12 amps and a fridge - if I install one - will draw 2-7A.  That's 19A and I can always unplug something if I need to use more amperage. Now I bought 30 feet of 20A cable. That worked out at $34.50 whereas a 30A cable the same length would have been $56.70 - that's appreciably more. I also got a 20A double pole breaker just so I won't accidentally overload the cable if I end up plugging into a 100A, 50A or 30A supply. 30 feet should do for most things. If I need longer cable then 20A is going to save me a bundle. Ready made 20A cable of 25 feet was $80 which I thought excessive! Admittedly I had to buy a 15A plug and 15A socket so theoretically I'll be overloading them. The truth is though that they're made the same as a 20A but with the live pin angled differently. I needed 20A cable in order to supply the welder. If I need more cable - say another 30 feet then the savings with 20A over 30A are much larger.

The general plan is to be able to use 20A and 30A. That's way off in the future though. Right now the plan is to get the bus operational as a motorhome. There's welding to do but that'll have to wait until a dry day. Putting the cable together is a breeze that can be done in approximately 20 minutes. Initially I'll put a 15A socket on one end but after I've got everything done, I'll switch that to one of my Nema 5-30/6-30 connectors.

The big battle is to get things done enough that the bus is operational. Then I can get it retitled as a motor home. Speaking of retitling, today I took advantage of the deluge to visit the DMV to get the retitling papers. As I suspected, nobody wanted to get wet so I popped in to ask which forms I needed. The reeptionist pointed to a seat and told me somebody would be out to help and within a minute or so, a very helpful lady arrived, asked what I needed, zoomed off and returned with some papers. It was all very civilised and very quick.

Once I have the cable/battery compartment completed and a battery installed powering USB and 12V devices, I"ll be ready to retitle. There'll be a lot of tidying and rearranging to be done inside plus installation of roller blinds or drapes as well as the shower curtains but it's all getting tantalisingly close!

Tuesday, December 22, 2015

Small achievements building toward success

That's the way to do it! Today of note were several achievements in an otherwise dismal, dreary, wet day. I'd like to be able to claim major success but I didn't do anything major. The major stuff all accomplishes itself as it's all reliant upon the small but insignificant steps.

The first thing I did was to make a coil out of some wire, put my new permanent magnet inside and run 6v from 4 D cells through it. The magnet did twitch. Clearly I need to find some copper tubing slightly larger than the magnet in order to wind enamel wire around it. That should allow the magnet to slide easily and should give years of use. I just have to wind the appropriate number of coils around it.

The next success was more basic and less exciting though vital. I tried my old angle grinder without success. Banging it I could get a few spins from the motor before it stopped. I had a brainwave and changed the other carbon brush. I"d already changed one because it was broken. Voila! The thing worked when I plugged it in. Clearly that problem has been solved for the moment. The other one has a problem based around a loose connection. When I need it, I'll tighten that connector.

Lastly, I hunted around in the bushes on m'lady's 4 acres and found a nice piece of steel. It needs some de-rusting but cut with the angle grinder and welded, It;ll make an excellent bottom for my battery compartment. Unlike the hillbillies, I'll drill holes for water drainage. I'll also see about putting a lip over the door to stop water penetration.

The final solution to the power and cooking problem is, unfortunately, going to have to be a gas cooker where the microwave is currently situated. The microwave is rusted and beyond salvation. I"ll have to install an extraction fan - probably a 12v fan running off my small battery. I could run that through the window I blocked up or put a roof vent. On the whole, the window seems more accessible. I thought long and hard about other solutions but this seems to be the only one that makes financial sense. To spend $3,500 on lithium batteries, $300 on a generator or $500 on lead acid batteries to run the microwave or $40 on a gas cooker. That's $10 cheaper than buying a replacement microwave. The big bonus is because I've already done the electrical work, I can still use electrical appliances when plugged in. There's also nothing to say I cannot later just remove the gas cooker and install solar arrays, generators and solar panels.

Sunday, December 20, 2015

I got me some sugar!

Yup - after spending a rather unproductive time using soda as a blasting medium with my Harbor Freight air blasting tool, I located a small container of sugar that I poured into the blasting head. The difference was immense. I could bring the paint down to bare metal when I needed and managed to roughen the surface of existing paint. 

It is indeed regular cane sugar. The traditional thing to use is sand or preferably silica free sand. Given that sugar is a substance broken down easily by the human body, I'm not too bothered about inhaling minuscule quantities though I hold my breath while I'm blasting. Sand contains silica which causes silicosis - a really nasty and frequently terminal lung ailment. The best thing is sugar is available just about everywhere. A 20lb bag is cheap in Walmart while for sand I'd have to go further and pay more.

Lacking time to paint properly as it was getting close to dusk, I pulled out the first spray can I could locate. Meanwhile, I have been wondering whether I should change the paint scheme. On one hand, I can get grey fairly readily. On the other, I could paint the bus a more interesting color. I'll probably stick with grey on the basis that most of the paint is probably not going to peel. If necessary I can use a steel brush or sandpaper for occasions when the compressor is unavailable. 

One of worries is whether my welds are good enough. I'm going to have to find a real welder and ask his opinion. I think my battery compartment is going to be strong enough. Mind, I've just measured it against a nearby car battery. It seems that the door the hillbillies put on is not large enough to allow a full sized battery. Thus, my plan of using gas seems to be much more of a thing. I can build a smaller cage to hold a small gas container. No need for a huge one as far as I can see. I can get away with a smaller battery because it's not going to be used for powering mains equipment. I'm thinking small electronics such as my tablet and my phone etc.

Speaking of welds, I welded some scrap steel together. This is so that m'lady's niece's boyfriend can his destructive streak and try to destroy it. If he can then I'll have to look harder at my existing welds.

Looking at my bus batteries, they were down to 50% so I put them on charge to bring them back up to 100%. The bus has been sitting idle for months. That's not good for the batteries but one day I'll get around to installing my solar panel. That should keep the battery topped up.

The solar panel I have should keep the bus batteries topped up. I suspect a similar sized panel might be sufficient to provide for my daily electrical needs unless, of course, I decide to install a fridge that runs off 12v. As I've mentioned, I'm experimenting with Peltier elements and these form the basis of 12v fridges. Now a single Peltier would use around 60w or 120ah. To make a freezer, 4 Peltier elements would be needed, using 480ah. That's way in excess of what I'll set up to do. I figure 10-15ah is all I'll likely need if I use gas. Indeed, since my microwave is close to being deceased, it's not too much of a stretch to put a gas hob where the microwave used to be. indeed, I suspect that I might have been better off not installing the 120v setup at all but rather, installing 12v and gas. Having said that, I have what I have. It'll all probably work out for the best. The goal was to have all electric and while that is possible, it's not of immediate financial practicality.

Saturday, December 19, 2015

Progressing again

Now that work has put up the shutters for the next two weeks, I can apply myself fully to working on the bus. Yesterday though I made a slight detour on my way to work to Walmart as my new tablet has arrived. Honestly, only one word sums this budget tablet up - fantastic! Sure, it won't let me run a couple of the apps I used to but it's thus far way faster than my Nexus 7, cost just about half the price and came with a keyboard case. The color even matches the galley in my bus.
  
Unlike my Nexus, it takes a SD card which means I won't lose locally saved files unlike my Nexus. It charges from the same micro USB charging port which I consider to be a great step backwards. Pin power connecters are far more robust. 

Speaking of my Nexus, when out shopping at 2am yesterday I noticed a company called "Digital Doc" in my local Walmart. Sadly it was closed but today I visited it. Given that such computer, tablet and phone repair places spring up quickly, flourish for a while then vanish suddenly - usually with a sack load of other people's equipment - I figured I'd best use it as quickly as possible before it vanishes. 

Arriving at the desk this morning, I asked about reflashing my Nexus and was told by the minimum wage yokel working there that they didn't do this. Now that's really strange since their website indicates that they do. Given then I had to stand in front of her and attract her attention from her mobile phone in order to talk to her and how after telling me the business didn't actually do what they claim to do and since she then failed to answer me with a suggestion as to an alternative business (or to acknowledge the question at all) I followed my golden rule. If somebody in the company with a geekish business is useless then they all are, and allowed my feet to give them a vote of confidence by allowing my feet to carry me out of their store. I don't see a long future for that outfit!

Returning to the bus, I had another go at welding. I'm not highly satisfied with what I did but then the weather was so cold I really didn't want to stay out welding. In fact, I didn't really want to start! I definitely need to get the compressor out and try to clean up the bits I need to weld with soda blasts. Now that I've worked on the blasting head, it might work better. For a bit of fun I welded two pieces of scrap steel together. M`lady's sister's daughter's boyfriend has threatened to test some of my welds to destruction so I figured I could safely let him loose on that!

Looking at the hillbilly cable compartment, it seems I have indeed correctly measured the size of the box I'm building. The next step after completing the welding will be to install the new compartment. Unlike the hillbilly compartment, my compartment will have a floor that will allow drainage. Indeed, I might even use a steel mesh rather than a solid floor.

I have various ideas about the battery power setup. Initially, since my power budget is minimal, I'll probably just have a small battery. All it has to operate is fans, lights and chargers. In fact, my 5A solar panel could end up mounted on the roof to charge the battery. That might provide 2.5A for 5 hours a day or about 15AH so the battery could be really small.

The goal at the moment is to get the bus ready to be examined in the reregistration process. 

Tuesday, December 15, 2015

Research is interesting!

It seems that super capacitor technology hasn't been fully embraced yet. Having said that, there are portable car starting units that are built from super capacitors.

Browsing around, it seems several people are claiming to have successfully replaced their car batteries with super capacitors. There are reports that alternators die fairly swiftly yet these reports have a pretty even chance of being true or false.

The actual circuitry for the super capacitor is very simple. The capacitors are wired in parallel. The interesting thing is that the individual capacitors act very differently from the way a battery would, adding to the complexity of the task. Each capacitor holds a charge of around 2.7 volts. As the charge reduces so does the voltage but at a greater extent than a battery.

There have been attempts to blend lithium batteries with super capacitors but the results are as yet unknown. Thus far it looks as though my power solution has to be along the following lines:
1. A lithium battery - if the manufacturers website is right about the high amperage output. The limiting factor is the high cost.
2. A super capacitor solution though this is a bit of a mystery at the moment and looks ominously like it'll be expensive.
3. A standard battery solution using an $80 marine battery. This would not power the microwave or the fridge but cooking could be achieved using gas when mains power is unavailable.
4. A standard battery solution using the same $80 marine battery but backed up by a generator that's run every time more than a couple of amps is needed.
5. A further solution could be a hybrid super capacitor and battery solution though this is an unknown.
6. For a final solution, sufficient batteries to provide sufficient amperage to power a microwave though this could be heavy and expensive.

Whichever way the solution ends up going, its going to be interesting!

posted from Bloggeroid