"There seem to be 2 obvious options given I'll be using an Alliance HD73
and a 12' 6061-T6 mast, 2" OD x 1/4" wall. (Yes, I've done load calcs to
make sure it will not break"
Hi Mark, I would seriously think about getting a different rotor that will
handle the load. I would be real concerned that the HD73 would handle a T8 or
T11, plus other aluminum. You could end up with a nice windmill up there.
Just my $.02
Good luck with your project.
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