Personally, I think the idea of using multiple U-bolts is the best way
to go. As Rick says, the K7NV design doesn't really offer much
additional surface area if the mast isn't perfect. I welded a piece of
channel iron perpendicular to a plate and drilled holes for eight
U-bolts in the channel iron. It holds great in spite of twister winds
that reach 80 - 100 mph here in the spring and when they hit the tower
head on the torque from the twister combines.
I stole the design from a commercially available unit, but I can't find
the source for it anymore.
73,
Dave AB7E
On 11/8/2022 2:46 PM, john@kk9a.com wrote:
I thought that you also manufactured a replacement clamp that used u-bolts
which could be properly
tightened and remain tight.
John KK9A
k7lxc wrote:
Howdy, TowerTalkians -
I need more friction between an M2 mast clamp and the mast. How could I
do that? What materials would work? Tnx. Cheers,Steve K7LXCCell:
206-890-4188
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