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Old 06-04-08, 09:18 AM   #1
rlong
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tube sizes

Hi Everyone,

Does anyone know the typical dia. and wall thickness of a central boom tube on a recumbent. Not sure if it changes if the tube is bent or straight.

Thanks,
rlong
Temecula, CA
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Old 06-04-08, 10:54 AM   #2
mebesaturday
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You might try this link it has dia. and thickness info at the end of the page.
http://www.bacchetta.com/company/framedesign.htm

Joshua
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Old 06-04-08, 01:46 PM   #3
BlazingPedals
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That's a pretty vague question. My V-Rex is 1.5 x 0.035" in chromo. My Baron is 60mm x... more, in aluminum (7005?)
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Old 06-04-08, 02:09 PM   #4
JanMM
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My Tailwind's main tube, not a boom, is 1.5" diameter Chromo. Newer Tailwinds have 2.0" diameter tubes. Don't know about wall thickness. Tailwinds are not monotube bikes.
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Old 06-05-08, 01:02 AM   #5
rlong
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BlazingPedals,
Sometimes, a vague questions results in answers not anticipated and leads to new questions :>) .035 is a very typical wall thickness for straight gauge crmo on diamond frames. Seems like the larger diameter 1.5" could use a thinner wall than .035. Thank you for your reply.

Rick Long
Temecula, CA
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