Re: [ATM] Help with Strut Flexure in my 3 Truss DOB

[Daniel Fundo <fundo@bellsouth.net>]

<<  Just a random thought, no experience with it: would there be any
rigidity gain if the tubes were pre-stressed somehow, say by a
threaded rod passed down the axis and then that rod tensioned?
This would change the balance of the scope adversely.  It might
require tweeking with a torque wrench from time to annoying time.
But would it increase rigidity significantly?  >>

Prestressing only works well in certain circumstances.  You would need a
steel threaded rod to exert enough force to do any good.  You could gain
the same advantage by just going to a larger diameter/thicker wall
strut, and save a lot of weight.  From an engineering perspective, the
simplest solution is always the best.

*****-----
Dan F.

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