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Old 09-19-2012, 01:26 PM   #231
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Re: 1935 Chevy school bus

Beautiful work! I've got to get myself a welder (and a metal brake and a shear and a ton of scrap to go with my lumber pile.....). The valve springs are a great idea.
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Old 09-19-2012, 09:10 PM   #232
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Re: 1935 Chevy school bus

Tango and Roach---thanks. Tango, like you I thought all the Pintos were gone but like a lot of other ya gotta wonders, Pinto has an active following anong the short dirt track oval racers. All I can think of that would encourage me to drive a Pinto in a race is that extra little bit of adrenaline you need to win-- and being blown up might just supply that edge

Just so you know that I'm not BS'n you I took a few pics of friend Gary's Pinto racers---and a cylinder head.

Today I finished welding the box to the sub body and designed and built the basic cooling air system for the genny. Now I need to figure out how to silence the squirrel cage fan (2050 RPM continuous with a 5"dianeter). I think once I can make and adjust dampers the fan should be near silent--wouldn't want fan noise bothering any of my spoilled silly neighboring campers! Jack

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Old 09-19-2012, 10:34 PM   #233
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Re: 1935 Chevy school bus

i want to know where u got the tracks from and what are the wight cap on them,been look for some,,,,
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Old 09-19-2012, 11:54 PM   #234
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Re: 1935 Chevy school bus

Keith, I'm not going to be able to give you much info as I bought the slides at the Restore. Basically if the slides are quite heavy and don't twist and are double slides you are probably going to be OK. I used 4 slides on my drawer and I know that they will hold my weight when they are fully extended and the weight is evenly spread. My slides are about 2" tall, 1/2" thick and 16" long when closed. They are ball bearing. Whatever slides you do use be sure that they can't flex or roll laterally or they are likely to twist apart even if they are quite heavy. Hope this helps.
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Old 09-20-2012, 10:00 AM   #235
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Re: 1935 Chevy school bus

Quote:
Originally Posted by keith
i want to know where u got the tracks from and what are the wight cap on them,been look for some,,,,
Most woodworking stores carry drawer slides. If you're going to use them in an exposed spot look for slides built out of stainless steel. Here's one site:

http://www.drawerslides.com/m/Accuride
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Old 09-20-2012, 10:40 AM   #236
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Re: 1935 Chevy school bus

LOL ---I guess if yer gonna race a Pinto, you'd better be good enough to maintain a healthy lead...or move the gas tank way up front somewhere.

And I have to ask (since I'm pondering the issue myself)...how are you dealing with exhaust fumes? I am looking at how best to route them away from the bus but the factory muffler system makes mods tricky. Might try to route something out past the rear bumper on mine if I can figure out how to hook it up.
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Old 09-20-2012, 12:05 PM   #237
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Re: 1935 Chevy school bus

Tango, while I am happy to have the genny on the right side of the bus it does pose a problem for getting rid of the exhaust as the openable windows and pop top are on the right as well. I'll be playing with the exhaust today and I'll let you know what transpires. Jack
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Old 09-21-2012, 04:23 PM   #238
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Re: 1935 Chevy school bus

Hey Jack --- Speaking of Honda Gen Sets...Been lookin' all over for a drawing of the Honda innerds to work out an exhaust extension but nada so far. Guess I'll just have to tear into it blind. Saw an add on "vent system" made for them on Ebay and while not what I'm looking for, it might work on your slide out set up. It is a screw on hood arrangement with some 4" flex like a dryer vent that can be routed outdoors. Also considering adding a 12v cooling fan since I'm planning on boxing it in somewhat. They need a lot of cool fresh air to stay happy. While searching, I did come across a remote starter that could be handy. Would be nice not to have to go out in the rain to crank it up. Finally...adding an extended run tank appears to require a pump for the 3000 series unless you put it up higher than the built in tank. It is gravity fed while the smaller 1000/2000 series have a built in fuel pump and only need a cap with a hose to the tank. You might know I'd go with the more complicated unit.
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Old 09-21-2012, 10:03 PM   #239
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Re: 1935 Chevy school bus

Hey Tango, I went through the same search for an exploded view of my Yamaha 3K i and found nothing. I even contacted the mfg and found them unwilling to teach me anything--go figure. I sort of got the last laugh though when I went to a local old school small engine and electrical supply and repair store. They just happened to have a burned up Yamaha 3K i (guy ran it with no oil) and they let me pull it apart. Too cool, I was able to get measurements of the cooling fan etc which let me calculate appx cooling air requirements so I could chose a fan setup. BTW, the air passes over the main computer on the way to the cooling fan and then is directed through a cast Al housing that surrounds the cyl. There is a slight amount of air directed to the armature which vents out the bottom of the case (about one square inch opening and low air flow). The majority of the cooling air continues through the tube and flows over all sides of the muffler before venting to the surrounding air. The actual exhaust leaves the muffler through a 1/2" tube and is mixed with the cooling air as it leaves the genny.

There is no other air circulation within the genny and the whole thing is bound up in a foam rubber filled Al case so there isn't much cooling going on there. While chatting with a neighbor lamenting the fact that I didn't have an anemometer he said "I've got one--I bought it at an auction---what is it?" And so he did. With that tool I was able to confirm my air flow calcs and test a couple of 12 V fans--that's how I ended up with the squirrel cage fan I am using.

The Yamaha like the Honda has a gravity feed fuel system so I will also need a low pressure pump from my remote tank--unless I find a great bargan on a propane conversion.

It looks like I'll run the actual exhaust across the frame to vent on the left side of the bus while the genny cooling air will vent under the bus in fromt of the RR tire, that's tomorrows project--we'll see. Jack
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Old 09-22-2012, 12:44 AM   #240
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Re: 1935 Chevy school bus

Wish I'd been there lookin' over your shoulder. Guess Honda doesn't want us non-technicians poking around inside. Since I'll be hanging mine on the rear deck (aka;...bumper)...I'll need to protect it from rain & such (as well as thieves). Considering a metal box that opens out on several sides for breathing but will keep water off. And like you (once again) a squirrel cage seems the best bet for extra cooling. The move a lot of air. Hoping to find a 12v somewhere since I won't be using much of that circuit on the genny. And the trick on the fuel pump appears to be some kind of limiting or sensing switch so it doesn't overfill the main tank. I'd like to hang another 10-15 gallons under the deck for extended dry camping. Looked into the propane conversions but had a couple of folks who'd gone that route say that it ate way too much fuel too fast compared to gasoline (fewer BTU's I guess). Have to admit though, limiting my load to two fuels instead of three would be nice.

Have a great weekend.
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