It appears that the m2or2800 clamp is a massive but poor design. Have you
What suggestions do you have. I have two of those rotators so any
suggestion other than
be prepared to re-clamp them will be greatly appreciated.
----- Original Message -----
From: "Michael Tope" <W4EF@dellroy.com>
> I think if the materials involved are infinitely stiff, you would be
> correct. Real materials deform in response to the applied forces.
> I think that is why the M^2 OR-2800 clamp is so prone to slip.
> I have torqued the six grade 8 bolts on the Orion clamps as tight
> as I could get them with a 3/8" drive ratchet to the point where I
> thought there was just no way the mast would budge only to find
> the coax service loop on a KLM 4 element 40 meter yagi wrapped
> two and half times around the mast after a good windstorm. Those
> Orion clamps don't distribute the force very uniformly on the mast.
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