Anyways I'm onto Shawna's....bike....actually I don't really know what kind of bike it is. That's sort of scary. I guess I've become partial to building mountain bikes or at least fillet brazed bikes. It'll be cool though. Some sort of randoneur/tourer with 650b wheels and lugs throughout with Paul's new racer brakes. It'll be crazy. It took a few renderings and I ended up changing it up again today and slackening the angles half a degree and lowering the BB. I think it'll work out well.
The request back in the east was more pics of what I'm doing and we just got a new internet connection up and running so we'll see if the uploads go a little more quickly. Here's a show and tell of today's work.
facing the head tube/top tube lug so a head tube extension sits flush
the lugs do not have an even face from the casting injection. the uneven color is where I started to face the down tube lug.
head tube/top tube lug and 20 mm extension. The extension is a piece of 1 3/8" x .058" chromoly
both the lug and the extension are faced for a seamless fit. when the frame is brazed I will sweat silver through the whole unit here and then clean up the finish with a file. (the extension is slightly smaller)
marking the top tube mitre at the seat tube. the head tube is already mitered. I mitre everything with hacksaw and files at this point so I do them one at a time to minimize any chance for error. These machined tubing blocks are invaluable to me. from goodtimes bicycles
tacked BB/seat tube. The discoloring is because I defluxed with a wire wheel instead of soaking. I'll be fillet brazing the bottom bracket joint and chainstays. This just seems to make more sense. Lugs are a very big design constraint (certain size sockets placed at certain angles) and tire clearance is not a place where I want constraints. Plus nice fillets here just look cool to me.
Mitering the downtube seat tube junction.
the first snow ride on the year on the General Lee. I had to disconnect the brakes so they didn't pack up with snow as bad. Enjoy y'all. See ya.