Its been pretty busy around the shop. Yesterday someone wanted me to repair his rear drive side dropout and unfortunately the seat stays had also came unattached which bumped up the cost of the repair to more than he was willing to spend on the bike. The bike was an old Schwinn Super Le Tour, which while not the highest end bike in the world definitely was forth fixing up. In addition to the repair (which ended up not being anything) I am still working on a new single speed frame that is not only going to have twin top tubes but disc brakes as well. The twin top tubes are a purely aesthetic touch while the disc brakes are to aid in stopping not only with a load but also in inclement weather. Should be a pretty fun bike in the end and definitely bright to look at.
I just recieved my alignment "table" from Bringheli a couple of days ago and I am extremely excited to have it! I say "table" as in all reality it is not really a table, it consists of a 6" x 36" C channel that has had the flat side ground down to .005" flatness along its entire length. This particular tool will now allow me to ensure my frames are straight throughout the build process.
On the frame building side of things my daughters bike is coming along very nicely. After hand filing all of the miters, I have the front triangle tacked together as well as the rear chainstays slotted for the dropouts. Hopefully I am able to make it out to my shop soon and be able to braze the dropouts to the chainstays and then miter and braze them to the bottom bracket shell.
I started on the seat tube sleeve today for Mia's bike. I have said before but I will say it again, when using Fillet Brazing the seat tube sleeve can be one of the few places you can really personalize the bike. With Mia's bike I plan on having cute little skulls all around the logo so I decided to carve one out of the ST sleeve. With this particular sleeve I am going a little bit out of my typical order of assembly. Typically I will carve out the seat tube sleeve first. Then, once all of the other tubes are mitered and brazed to the frame I will then silver braze the sleeve to the seat tube and then braze on the clamp and cut the "key hole" for the seat tube binder.
This time however I wanted to fabricate the whole sleeve at once, then silver braze it to the seat tube AND THEN start with the other tubes. The only major improvement of this method over my previous method is that I will be able to put silver flux down the sleeve before I try to braze it. Unfortunately by doing that when I brass braze the other tubes in the silver might start to melt, and I am not sure where it might go (hopefully it does not draw the silver from the edges and leave gaps that I will have to go back and touch up). I also managed to tack on the bottom bracket shell to the seat tube. Once I actually receive my alignment table in the mail I will be able to verify that it is truly perpendicular to the bottom bracket shell.
This last Labor Day weekend was the Hurricane Gateway Cup and it was a wet one. The race consists of a four stages starting on Friday and ending on Monday. The first two stages were extremely wet, the third stage was somewhat wet/dry and the final stage was perfect (if a little muggy). Anyhow it is great to see St. Louis embracing the cycling scene like it did!