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-   -   tube sizes (http://www.bikeforums.net/recumbent/425821-tube-sizes.html)

rlong 06-04-08 09:18 AM

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

mebesaturday 06-04-08 10:54 AM

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

BlazingPedals 06-04-08 01:46 PM

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?)

JanMM 06-04-08 02:09 PM

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.

rlong 06-05-08 01:02 AM

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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