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echo: atm
to: ATM
from: tkrajci{at}san.osd.mil
date: 2002-12-31 04:38:48
subject: ATM Truss analysis - compact triangular arrangement

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


Thanks to some mental prodding from Roy Diffrient, where he reminded me to
look at Jim Miller's design   http://www.jtmiller.com/   I have added some
new analysis of a 'compact' triangular truss to my website at:
http://overton.tamu.edu/aset/krajci/truss-analysis/truss-analysis.htm

I also retain the analysis of the original/wide (31 inch wide) triangular
trusses to compare against the compact (17 inch wide) triangular truss.

I find that a compact triangular truss is about 25% less stiff than the
typical 8 member ATM truss.

I may have fixed one error/omission...but there may be others!  ;-)  All
feedback is welcome.

Thanks in advance,
Tom Krajci
Tashkent, Uzbekistan

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