Originally Posted by dorkpunch
Thanks for the info! I've heard of oxy-hydrogen welding, in fact my Grandma used it during WWII when she worked building airplane fuel tanks. I've never tried it though... I've been practicing using a TIG welder I scrounged up and I'm getting better but nothing compared to what it looks like you guys have going there.
That's a fantastic history, you should definitely make some time to practice the oxy-hydro welding given that you've already got it in your blood.
Nemo got back to me and i was correct about the aluminun being 1100, actually it was 1100 - H14 .063" thick. As I mentioned it was the scrap from the Gothic Raygun Rocketship that now sits on the Embarcadero. He also mentioned that his TIG is a Miller Dynasty 200.
Here is a picture of the Raygun Rocketship: