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Strawberry frame brazing with Marchetti ML 301/G-500 and Harris torch 43-2/tip 2290-1H Viewed: 3024 times.
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Turning integrated headset cups from solid steel 4130 rod on the new Clausing Colchester Student 2500 lathe. Viewed: 2507 times.
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number stamping 002 Viewed: 2220 times.
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Chainstay Mitre with Marchetti ML102M Vertical Mitreing Machine 005 Viewed: 1945 times.
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Chainstay Mitre with Marchetti ML102M Vertical Mitreing Machine 006 Viewed: 1794 times.
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Chainstay Mitre with Marchetti ML102M Vertical Mitreing Machine 012 Viewed: 1879 times.
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Newlioni Speciali Gear Cable Boss Brazing Fixture 005 Viewed: 1831 times.
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Newlioni Speciali Gear Cable Boss Brazing Fixture 006 Viewed: 1861 times.
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Lug Carving. Long Shen 36mm. bottom head lug hand cut patterns using Grobet Swiss Pattern needle files, 1/0 saw blades and a lot of elbow grease. Viewed: 2323 times.
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Hand finishing the new LAN wishbone seatstay rear triangle. The topstay and seatstays have been brazed to the wishbone and finish filing is underway. Viewed: 2378 times.
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Flux prep table. Reynolds 725 heat treated seatstays no. GX2650 have been cut to length and are ready to be brazed onto the Strawberry LAN wishbone which was previously brazed to Reynolds topstay R116 (531material). Also shown in the photo is the Harris mod. 2000 oxy/propane torch handle with heating tip no. 1390-B and Welco no. 17 Flux. The brass preform rings resting in the white lid are soon to be inserted inside the 16mm. end of the seatstays. Viewed: 1950 times.
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Close up of topstay/wishbone casting and 16mm. seatstays clamped in Marchetti no. 303 Fork Brazing Fixture. Viewed: 1763 times.
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Rear triangle assembly is now fluxed and clamped in the Marchetti no. 303 fixture and alignment is checked for the last time prior to lighting up the heating/brazing torch.
Viewed: 1805 times.
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Moving over to the right hand seatstay and playing the flame primarily on the casting base rather than the thinner seatstay. As the casting glows red the heat is progressively applied to the stay and the brass ring quickly melts bonding the stay to the cast wishbone. Easier done than said. Viewed: 1857 times.
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Finish. Brass preform rings have melted from the inside-out bonding the investment cast wishbone and Reynolds 725 seatstays into a lightweight, strong and aesthetically pleasing structure. A soak in the hot tank, some filing and some elbow grease later and this rear triangle will be set to braze to the main diamond. Viewed: 2008 times.
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ML 301/G-500 frame fixture setup for another custom frame showing 36mm. head tube and top and down tube mitre assembly. Viewed: 1620 times.
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ML 301/G-500 frame fixture showing assembly of top tube/ seat tube mitre joint. Viewed: 1545 times.
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DR new bicycle detail. Newlioni brake cable stop, investment cast handcut seat lug and ITB 19mm. monostay treatment. Viewed: 1799 times.
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