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Search: Posts Made By: tuz
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Forum: Framebuilders
09-02-21, 02:22 PM
Replies: 47
Views: 4,227
Posted By tuz

Maybe you could ease the bend (increase radius)...

Maybe you could ease the bend (increase radius) of the twin tubes and lower the intersection with the seat tube? (Edit: in order to effectively shorten the tubes)

Also, wondering why there are...
Forum: Framebuilders
08-19-21, 07:33 PM
Replies: 14
Views: 1,773
Posted By tuz

The key is heat, not temperature. You can melt...

The key is heat, not temperature. You can melt steel with propane and a simple furnace. You can braze a frame with air-propane with brass and a hearth. But these are techniques from the late 1800's....
Forum: Framebuilders
08-09-21, 01:19 PM
Replies: 13
Views: 1,756
Posted By tuz

I've modded a half-dozen Mafacs using generic...

I've modded a half-dozen Mafacs using generic 8x10x10 brass bushings. Might be worth a try.
Forum: Framebuilders
08-04-21, 07:42 AM
Replies: 11
Views: 1,317
Posted By tuz

I have brazed bosses for Weinmann CP brakes....

I have brazed bosses for Weinmann CP brakes. Actually I don't remember the exact type, but I chose them because the boss spacing was wider than Mafac and fit the seatstays better. I used modded canti...
Forum: Framebuilders
07-27-21, 10:12 AM
Replies: 448
Views: 285,645
Posted By tuz

Not a build but a WIP. Carbon fibre lug in the...

Not a build but a WIP. Carbon fibre lug in the style of Calfee for Lemond's 1990 frames. 3D-printed 3-piece moulds, wet layup, consolidation by mechanical clamping.
...
Forum: Framebuilders
07-19-21, 08:50 AM
Replies: 448
Views: 285,645
Posted By tuz

https://cimg3.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg3.ibsrv.net/gimg/bikeforums.net-vbulletin/640x480/20210719_090335_88e01896b4ab6d3f4ae27a1226eba6266de514af.jpg
Here's a tandem I made a few years ago...
Forum: Framebuilders
07-18-21, 07:17 AM
Replies: 21
Views: 2,753
Posted By tuz

You are correct, good catch! I was fooled by the...

You are correct, good catch! I was fooled by the rust pattern. I have a matching seat lug but it's a modern repro like the crown.
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