That's pretty cool!
I was going to say that looks like the little thing all the Boeing employees were riding around in at the Wichita campus.I’ve ridden in the van version a lot at tinker afb
If it was that rusty you might want to put a little gas in it after you get it cleaned out and check for any little pin holes that may have rusted thru, water sometimes won't show a tiny leak but gas does.I'm back with an update. A bit late, but my card reader died - I couldn't get the pics off the camera.
I'm messing with the fuel tank. I had previously thought the tank was okay, I swished it out with fresh gas and went on my way. After 3 fuel pumps, I discovered the draw tube on the tank was clogging. I pulled the sender out, it's the only access to the tank.
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Yeesh.... the bottom of the tank is rusty-crusty too. I really should have known, or at least looked. I've done this type of work before. No excuse.
I need to clean this thing out, but the only access is too small to get my hand in there. That hole is only about 2" across. There's another way -
some caustic detergent, which will strip the varnish/oil/etc.
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and some abrasive to help - I spent $8 at Lowes and got some 1/2" crushed rock. I want the crushed with the sharp edges, as opposed to the river gravel that is smooth. The sharp edges help scrape the tank.
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I dumped about 5 pounds of rock in there, heated a gallon of water and poured that in too. Then 20 ounces of detergent, per instructions.
shake shake shake. swish, roll, shake. 20 minutes of that, my back hurts. Flush with clean water - incredibly nasty stuff coming out.
Do it again. More detergent, more hot water, more shaking. My back really hurts now. Flush it out.
Now I gotta get the rock out. Time for the wet/dry vac. I can't get the hose in there, so I got some 1/2" PVC pipe -
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Worked like a champ.
Now the tank is wet, I need to dry it out. Reverse the hose - run it on the outlet side of the vac, and tape it to the tank inlet -
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I ran it for 30 minutes that way.
It worked well; I got about 90% of the crap out. I need to do it a few more times, then treat the tank with Zinc Phospate and seal it.
I don't think the tank is rusty as much as it is just varnish and build up from old gas. But, I could be wrong.If it was that rusty you might want to put a little gas in it after you get it cleaned out and check for any little pin holes that may have rusted thru, water sometimes won't show a tiny leak but gas does.
I hope it works too. Tanks may be cheap for some things, but not for this. Used is impossible to find in good shape.Tried this process before never seems to work hopefully it will for you. tanks are cheap if you can’t find that one maby fit one from something else. Great project would love to have one.
As long as there is interest I will continue the updates. Thanks !Keep sending the updates!!
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