Some people are against pinning a mast however Yaesu rotator clamps are
designed with a bolt through the mast. I followed the manufacture's method
at my windy P40A station and never had a rotator issue. If I recall, Yaesu
uses an 8mm socket head cap screw. and I believe they call for a Ø9mm hole
50mm from the end of the mast.
John KK9A
Ed Stallman N5DG wrote:
I'm using the rotor turning a 6m 30ft boom. It has slipped at the
rotator from Hurricane Beryl . I would like to pin the mast , not
having the manual , what diameter bolt is needed ?
Thanks Ed N5DG
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