[Spridgets] Gas tank welding
Timothy H. Collins
thcollin at mtu.edu
Tue Apr 28 13:54:18 MDT 2009
Pressurized water would be safer than compressed air. If a seam lets
go with water you get a little spurt of water. If a seam lets go with
air it is much more exciting. Think of this as "hydroforming" your
tank back to it's original shape. Somewhere I read a story about
making motorcycle exhaust systems with curvy shapes by welding two
pieces of sheet metal together at the edges. Then a hydraulic pump
(hand pump) was used to pressurize water forced between the plates
until the pieces ballooned up like a sausage. That's the idea here.
Varnish and other crud remaining in a soaped out gas tank can
vaporize when heated and become explosive. Keep this in mind too.
Tim Collins
http://www.flickr.com/photos/12702006@N07/
More information about the Spridgets
mailing list