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Re: Usage of STAR section

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On Jan 5, 2006, at 10:55 AM, Bhavin Shah wrote:

By using the STAR shape same moment of inertia may be achieved in both the direction across the cross section.
Doesn't track. Such sections have most of the material at the neutral axis, making for low cross-sectional moments of inertia. Yes, they're equal, but impracticably low. You're not saving yourself any money or time doing it that way. Such sections also have to be fabricated which makes for its own set of headaches. If you're that interested in throwing away money, you should probably make them up with rivets.

Christopher Wright P.E. |"They couldn't hit an elephant at
chrisw(--nospam--at)   | this distance" (last words of Gen.
.......................................| John Sedgwick, Spotsylvania 1864)

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