I agree with Chuck. I welded my fuselage with O/A. First time using O/A and after a few hours of practicing I was able to get very good welds on my fuselage. I had very good luck with the HF standard O/A torch, hoses, regulators and flashback arrestors. The mistake I made was renting tanks. If I was doing it again, I would buy tanks. I spent WAY more $ renting them. Since I love welding I bought a TIG for aluminum projects. I've gone through 2 tanks of Argon practicing and I still don't feel proficient enough to move onto a project. I'm finding TIG welding a little more difficult to learn. I did buy a very small cheaper torch similar to the Meco midget for O/A welding that really didn't work very well. If you want to go that route spend the $ on a Meco. But I was able to get in all the tight areas pretty well with the standard HF torch.
