Would anyone (other than me) be interested in a class on brazing metals? Welding is great but brazing looks like it might do a similar job on some pieces (even aluminum ones) while requiring less training/practice/equipment. The little bit of reading I've done about it suggests that a $40 Mapp gas torch from Wal-Mart is all that's needed (aside from flux, wire and safety equipment) for small pieces, and larger pieces could be brazed with the OA gear.
Oxy-Acetylene
I have always done brazing with Oxy-Acetylene gear. Anyone who has taken our Oxy class is free to come to me and get checked out in brazing.
Scott