[TowerTalk] Pinning mast?

[n8de at thepoint.net]

Steve,
Be certain to use high-strength bolts, not the common stuff found in  
hardware stores.  You can obtain them at a farm supply store.
Not certain .. think strength '8'?   Others will know for sure.
73
Don
N8DE

Quoting K7LXC at aol.com:

> Howdy --
>
>     I've got a sloppy fit between a mast clamp and a  mast - both steel. It
> won't shim properly so I think my only option is to pin  the mast. I've
> done it a bunch of times and mostly they hold butr  sometimes they   
> don't so I'm
> proposing to use 2 in one direction and  another two 90 degrees from the
> first two with good-sized high strength  bolts. Other than the challenge of
> doing it at altitude, is there anything else  I should be considering? Or is
> there another way to do it?
>
>     This is a prop pitch with big antennas on it.
>
> Cheers,
> Steve    K7LXC
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