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South Bend 9A Misc Photos :

South Bend 9A Misc Photos

Updated: Dec 10, 2008 5:12pm PST

Daruma++ bolts Version 2 (on South Bend 9A) : These custom fasteners will be used on Mark Vande Kamp's Goodrich.  They secure a fender stay and allow a rack to be installed without disturbing the fender setup.  The fender stay is secured by a tiny M5 set screw which is run down a hole through the center of the bolt.  The rack attachs with a M5x10mm bolt which goes into the same hole.

This photo essay shows how I made one of these fasteners.

Daruma++ bolts Version 2 (on South Bend 9A)

These custom fasteners will be used on Mark Vande Kamp's Goodrich. Th ...

Updated: Dec 10, 2008 4:18pm PST

Lathe Delivery :

Lathe Delivery

Updated: Apr 27, 2008 11:18am PST

Sieg C2 for sale :

Sieg C2 for sale

Updated: Apr 19, 2008 5:44pm PST

Plug-in rack end : An experiment in making a plugin style rack eyelet or "dropout" for a rack.  I started with 3/8" 1018 and turned it down to have a 5/16" OD and an ID to fit inside 5/16" x 0.035 tubing.  The final result didn't have enough metal around the eyelet, so I brazed it and then cut it off to check my work.

I'll try again keeping an OD of 3/8" at the eyelet portion.  This will leave some more metal and make it stronger.  The tricky part will be getting a smooth transition from 5/16" to 3/8".

I think the final look is a lot cleaner than my tab style rack ends, so I'll continue to explore this approach.  It is also easier to braze (but significantly more work to make).

Plug-in rack end

An experiment in making a plugin style rack eyelet or "dropout" for a ...

Updated: Apr 04, 2008 10:51pm PST

Daruma++ bolts : DARUMA bolts are used with Honjo fenders to mount the fender to the bicycle frame.  Mark Vande Kamp is building a rack for his bike and the rack needs to mount to the same point as the fenders.  A goal is to make the rack remove with just a couple of bolts.  I made these replacement Daruma bolts which have an extra threaded portion for holding the rack.  There is a good photo of a normal Daruma bolt here (linked from Jitensha's page on Honjo fenders):
http://www.jitensha.com/eng/images/lngshrtdrmascrws.jpg

It is a pretty good simple lathe project, so I thought it would be a good thing to document.  It has facing, turning and drilling and uses both the 3-jaw and 4-jaw chuck.

The bolt is made of 303 (free machining) stainless steel.  This was my first experience using it, it machines pretty nicely.

Daruma++ bolts

DARUMA bolts are used with Honjo fenders to mount the fender to the bi ...

Updated: Mar 30, 2008 12:28pm PST