Hello Frank,
The HDR300 in question has been turning the 40m beam about 3 yrs.
Trouble resulted when I pinned the mast to the mast clamp. It simply
removed the top half of the aluminum housing!!!
I broke my own rule when I pinned the thing.... I just got tired of
climbing the tower after every wind over about 30mph!
The only prop-pitch I am using is from Dick, W0MLY, and turns a 3 ele
80m-- reduced size M2.
Biggest trouble I have with that configuration is the SCH-8 bolt/pin.
Have to replace it about 3-4 times per year.
73,Bud
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