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wnorth(at)sdccd.edu
Guest

Posted: Tue Feb 26, 2008 8:51 am Post subject: tanks

And there are zero fumes left in the tank.

This condition is not possible unless there has never been any fuel in the

tank.



And I've seen more then one person have a booming experience believing it

was possible.



Some old, still living, tank welders tricks are route some exhaust gasses

into the tank while working on it, dry nitrogen, and I think they used to

pour some carbon tetrocloride, or something like that into it, again to fume

out the oxygen.



However, if we see you whiz by during the next eclipse we'll at least know

what became of you...



;{)

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AV8ORJWC

Joined: 13 Jul 2006
Posts: 1149
Location: Aurora, Oregon "Home of VANS"

Posted: Tue Feb 26, 2008 9:19 am Post subject: tanks

The Poor Man's purge system is a few chunks of Dry Ice which when

evaporated creates CO2 which is heavier than hydrocarbon fumes.



John Cox



--

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larywil(at)comcast.net
Guest

Posted: Wed Feb 27, 2008 11:33 am Post subject: tanks

At 11:46 AM 2/26/2008, you wrote:

 	  Quote: 	
		  



And there are zero fumes left in the tank.

This condition is not possible unless there has never been any fuel in the

tank.



And I've seen more then one person have a booming experience believing it

was possible.


	


Wheeler,



Thanks for the post.  Actually, I removed the latent fumes by setting 

the open tank outside overnight at 20 degrees. In the morning, I 

brought the tank into a warm hangar. By setting it on its end, the 

cool fumes (whatever were left) fell through the fuel filler opening 

as the warm air displaced them through the open fuel pick-up opening. 

A few seconds of compressed air in the other direction ( filler cap 

off, and air vent pinched off) destroyed any pockets. I did this 

again the next day.

Cost nothing, very effective, not very time consuming. I thought 

about using dry ice last week but setting it inside the tank would 

destroy the painted skin (too cold). I thought about filling the tank 

with water, also. This would work well, but I didn't know the 

downside of this option. But, again, thanks for the safety tip.



-

Louis I Willig

1640 Oakwood Dr.

Penn Valley, PA 19072

610 668-4964

RV-4, N180PF

190HP IO-360, C/S prop

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klwerner(at)comcast.net
Guest

Posted: Wed Feb 27, 2008 12:54 pm Post subject: tanks

I'd simply purge the tank with a very  good dose of an inert gas like nitrogen to displace any gasoline fumes  out through the openings... Make  sure YOU still have breathable air for your lungs  though!!!

  

 I would definitely NOT use water, as  it is an enemy in any fuel tank...

 [quote]   ---

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