Gas tank tumbler

ChrisQ

Member
I built this for cleaning old gas tanks. It wasn't very hard to make, and it works great. This tank had about an eighth inch of rust and gas tank sealer inside. Acetone broke loose the liner, I then steam cleaned it, then tumbled it with tumbling media. It is a 1725 RPM motor geared down to about 26 RPM Hopefully this sparks some ideas for others. I wish i would have done it a long time ago.
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Is that on a Jetstar and how far along are you on the Moline?

What RPM do you have at the main shaft?

It looks line you need another brace instead of just the one bolt in the end of the shaft.
 
This was all home made from stuff laying around, except the pulleys. The tractor it is bolted to is a Jetstar. It is waiting on a radiator and exhaust manifold right now. Hopefully it will be painted by summer. The tank is from our Moline Universal. The motor is 1725 RPM with a 2" pulley. That drives to a 16" pulley on the countershaft, which has another 2" pulley on the other end of it. That 2" pulley goes to the 16" one on the main shaft. Which gives me 8 times gear reduction twice. So actually 64x gear reduction. 1725/8= 215.625 RPM on countershaft then divide by 8 again to get 26.95 RPM. Both shafts are greaseable. The singe bolt that holds the mounting plate for the gas tank actually holds fine. I ran it for 6 hours and it never moved. I still think I will change the design eventually. I have heard of people using a tractor tire, jacking it up, and leaving it in gear. We seem to have enough dirty gas tanks that getting a tractor and blocking it up, then having to keep watch on it would get kind of old. This can be bolted to any drawbar and plugged in.
 
This was all home made from stuff laying around, except the pulleys. The tractor it is bolted to is a Jetstar. It is waiting on a radiator and exhaust manifold right now. Hopefully it will be painted by summer. The tank is from our Moline Universal. The motor is 1725 RPM with a 2" pulley. That drives to a 16" pulley on the countershaft, which has another 2" pulley on the other end of it. That 2" pulley goes to the 16" one on the main shaft. Which gives me 8 times gear reduction twice. So actually 64x gear reduction. 1725/8= 215.625 RPM on countershaft then divide by 8 again to get 26.95 RPM. Both shafts are greaseable. The singe bolt that holds the mounting plate for the gas tank actually holds fine. I ran it for 6 hours and it never moved. I still think I will change the design eventually. I have heard of people using a tractor tire, jacking it up, and leaving it in gear. We seem to have enough dirty gas tanks that getting a tractor and blocking it up, then having to keep watch on it would get kind of old. This can be bolted to any drawbar and plugged in.
 
I mounted a bracket to a cement mixer and let it run overnight, with chain or nuts in the tank. Easy to get them out with a magnet, compared to using rocks.
 
(quoted from post at 23:42:52 03/08/15) I mounted a bracket to a cement mixer and let it run overnight, with chain or nuts in the tank. Easy to get them out with a magnet, compared to using rocks.


I did the chain thing one time, never again. The chain got knotted and tangled in a big ball I didn't think I was ever gona get it out of the tank
 
I have a paint can shaker but it is too violent. I usually put some diesel and a counted quantity of bolts in, set it in the back of my truck, and leave it there for a week or so
 
1948mm,
That's what we did with the tank off my brother's WD.
Worked well.
If you were going to do a lot of them (like a lawn mower/small engine shop) then the homemade tumbler would probably be worth the effort.
 

Yeah, I did that a couple of times - put in pound or two of dry wall screws first and then the gas cap - works great :lol:
 

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