I’m fixin’ on doing some brazing to my frame. Yeah, go ahead, tell me to take it to the shop and have it TIG welded, I’m not going to listen to you.
I found this page on one of my favorite sites, Knucklebuster, with a video showing a little more on flames, as well as some helpful comments.
One of my biggest concerns is if there’s any heat treatment of the frame required after brazing, and from what I gather, it’s not a problem. Most consumer ’70s vintage frames were mild steel and not tempered, apparently. I think it would be a good idea to, after doing the brazing, just hit the general area with a flame to even it out and let it cool normally, but I really don’t even think that’s necessary.
I’m going to braze in the standard reinforcing plate we always used to run back in the day – photos to come – between the two tubes that break off under the seat running to the shock mounts. I also need a small tab for the foot brake light switch. Stay tuned!