Spehro Pefhany wrote: > > Don't think I will try, but according to the instructor, > > you can weld tanks which have already had fuel in them, > > by filling them with water. > > I've heard of steam cleaning plus filling them with CO2. Seems like a lot of trouble; the only method I've ever seen is the one previously mentioned (filling the tank with water). I've never met ANYONE who likes welding on fuel tanks, even when the tanks are filled with water; I can't imagine a welder being comfortable working on a tank filled with an invisible gas. -Andy === Andrew Warren -- aiw@cypress.com === Principal Design Engineer === Cypress Semiconductor Corporation === === Opinions expressed above do not === necessarily represent those of === Cypress Semiconductor Corporation -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu