1. The results of I get from using the MARC software package tells me I
can use a 2" OD pipe and/or tubing with a wall thickness of .120...and
then lists a variety of mast material. Does the yield strength (listed
as 35000 for 6061-T6) change if the mast wall thickness is greater than
.120, say .250?
2. One material mentioned is 7075-T6. Where is that material available
and at what price? The 'local' distributor, Dillsburg Aeroplane Works,
doesn't carry it.
Thanks & 73,
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