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Equivalent Tubes in Steel, Aluminum, Graphite Fiber, and Fiberglass

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wsimpso1

Super Moderator
Staff member
Joined
Oct 18, 2003
Messages
11,353
Location
Saline Michigan
Hmm, the last thread on this topic must gotten rude fast to be locked after 3 responses... Let's keep it civil guys.

Is there any interest in setting a standard steel tube and then showing other tubes with equivalent resistance to some specified loading modes? A weight comparison could be useful to some folks...

Tell you what - IFF there is enough interest (my judgement as I will be doing the work), I will do one standard round thinwall steel tube at two lengths. I will tell you what load it will carry with appropriate FOS. I will follow with the lightest standard aluminum tube that will carry the same loads. When I have some time, I will design the lightest glass and graphite composite tubes using COTS braided tubes over mandrels to stand the same loading, and post the results.

Any interest? What size steel tube? What type of loadings do you want to see? I have data on 4130, standard aluminum tubes, E-Glass, and one Graphite fiber. If there is interest in other fibers, you have to supply all elasticities and strengths before I will run it.

Billski
 
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