Weld stuck until I tried to take it out of the vice and wiggle it, then same thing happened where it just didn't stick to the aluminum. Takes a lot of heat and the point between the stick melting and the aluminum melting is real close while trying to keep the aluminum hot enough. Was having a hell of a time with just mapp so I added the oxygen that was hooked up. Bummed. Gunna try again and clean it better and see if it works at all.
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