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#1
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WTF: Repair of a Ti road frame
Want to find someone who can weld a cracked Ti frame (GT brand, no
warranty due to their bankruptcy). Cracked on the seat tube near the BB. Ideally should be fixed in a frame jig to assure alignment. TIA |
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#2
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WTF: Repair of a Ti road frame
A seat tube crack is possibly the most expensive fix possible - I
assume they would want to replace the seat tube as every frame I have broken they have simply replaced the broken tube and some manufacturers simply consider the frame a loss if the tube is the seat tube. www.ticycles.com does almost anything Ti related and was recommended to me by Litespeed for out of warranty modifications. |
#3
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WTF: Repair of a Ti road frame
wrote: A seat tube crack is possibly the most expensive fix possible (clip) ^^^^^^^^^^^^^^^ The frame is undoubtedly of welded construction. Unless the crack is more of an ugly tear, I would expect that welding would be possible without replacing the tube. But, not by just anybody! Titanium needs to be shielded with inert gas for welding, including the INSIDE of the tube. It's called "back purging." Anyone who builds titanium frames would be set up to do this, and would also understand the need for clamping that you may require. |
#4
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WTF: Repair of a Ti road frame
I used Ti Cycles for frame work on a Ti frame and they did an amazing
job. I had Kona Haole (Sandvik made) with very little tire clearance under the rear brake bridge. A 23mm tire would rub. I had them raise the bridge to provide more clearance. They did such a good job -- evidence of the change was not discernable visually. |
#5
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WTF: Repair of a Ti road frame
"Leo Lichtman" wrote in message
... wrote: A seat tube crack is possibly the most expensive fix possible (clip) ^^^^^^^^^^^^^^^ The frame is undoubtedly of welded construction. Unless the crack is more of an ugly tear, I would expect that welding would be possible without replacing the tube. But, not by just anybody! Titanium needs to be shielded with inert gas for welding, including the INSIDE of the tube. It's called "back purging." Anyone who builds titanium frames would be set up to do this, and would also understand the need for clamping that you may require. Although I bought my Ti road frame elsewhere I live just a few miles from Ti Cycles in Seattle and had them give my built-up bike a final once-over, and felt quite comfortable with their level of service and professionalism. I asked them about their Ti frames and was told that they were built by a local master Ti framebuilder who works out of his house (this was 2 years ago, maybe he's moved to bigger quarters since), who has and uses all the appropriate equipment, including all the jigs and O2-free chambers required. So I wouldn't hesitate to give them a call and see what they can do with this frame. -- Kovie zen |
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