I guess the bunch I saw had stuck a screw or something metal in the hole and
then welded it in.
I understand that unless the heat boiled the fuel inside the tank, there
would not be a vapour in direct contact with the welder. But you're right
the tank was probably damp on the outside.
Even so it was a daft thing to do. Anything could have happened. Electric
welding on good clean sheet metal is touchy at best, on rusty old thing
metal it is very difficult to weld without penetrating the material. They
could have burned a hole in the tank and had a stream of gas spray into the
electric arc. With the temperature of the arc being somewhere above the
surface temperature of the sun, the fuel wouldn't have reacted very slowly.
It would have flashed instantly into vapour.
I read somewhere that one gallon of gasoline has the same potential energy
(when burned in a relatively confined space) as 18 sticks of dynamite. A
full tank would make a pretty impressive "boom".
Mark
-----Original Message-----
From: ebk [mailto:ebk@buffnet.net]
Sent: Friday, March 08, 2002 8:10 AM
To: triumphs@autox.team.net
Subject: Re: Fixing tank pin holes
Hi List!
If one is to weld-up a 'Full' gas tank, with holes in it, then
wouldn't the gas be flowing out in other spots to cause vapor? I do
agree that gas will burn in a vapor state.so how does one stop the gas
from flowing out the other holes while welding-up the 1st pin hole? This
is what I would call an Oxy-moron? or Poor Billy trying to fix the hole
in the roof! :-\
-Cosmo Kramer
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