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Tandem Cycling A bicycle built for two. Want to find out more about this wonderful world of tandems? Check out this forum to talk with other tandem enthusiasts. Captains and stokers welcome!

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Old 03-22-05, 11:02 PM   #1
climbinrocks
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Old 03-23-05, 05:14 AM   #2
Giant_CFR3
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I've made a couple.

There are several things to consider wen building the frame,

Cut each tube a little longer than the exact length, then round the edge with a round file. That way the tube meeting the other tube cups it. It's stronger and easier on the welder.

Keep an eye on the front seat tube, when some of my tandems were welded, there was filler in the seat tube, that limited the amount of length the seat post could go down. Talk to your welder about this.

Use beefy tubing to connect bb-bb. I used a cut section of downtube from another bike.

Have fun. I've done it several times and I have no regrets. They're plenty strong and ride fine.
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Old 03-24-05, 09:37 AM   #3
bassplayinbiker
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I had my chromo frames welded with a seteline (sp?) torch.
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Old 03-24-05, 10:10 PM   #4
Brian
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Quote:
Originally Posted by bassplayinbiker
I had my chromo frames welded with a seteline (sp?) torch.
Oxy-acetylene. Gas welding is probably not the first choice for a tandem, a wire feed welder would do a better job. I guess it depends on loads and abuse.
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