To: atm_free{at}yahoogroups.com, atm{at}shore.net, tkrajci{at}san.osd.mil
From: tkrajci{at}san.osd.mil
Reply-To: tkrajci{at}san.osd.mil


Based on a suggestion from Ken Hunter I've analyzed an 8 sided truss that
is a truncated pyramid...the base is larger than the upper ring by a factor
of 1.414 (square root of 2).  It is roughly twice as stiff as the typical 8
member truss in which upper and lower rings are same size.

See the bottom of:
http://overton.tamu.edu/aset/krajci/truss-analysis/truss-analysis.htm

Tom Krajci
Tashkent, Uzbekistan

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