I wonder if a materials handbook would have the modulus for the type of tubing. I have a young friend, still working, I'll have to contact to see if he can get some properties.
Bob
):-{])) <---- madden@netcom.com madden@svpal.org Remember amateur astronomers: "keep looking for the next Universe"
On Fri, 21 Apr 1995 kilian@timbuk.cray.com wrote:
>
> I have a program that does tubing bending analysis.
> It came free with a book on stress analysis and can do
> any shape beam.
>
> I did my Aluminum tubing with it.
>
> I'll look up the parameters I need, and then send a
> request to the list for your parameters.
>
> I think I need:
>
> Diameter, Wall thickness, length, density and Young's modulus
>
> And where the tube support is, and what weights are where
> (Mirror, focuser and secondary)
>
> -Alan Kilian
>