[MAMS] April 2011 Microwave Activity Day

Dave Sublette k4to at arrl.net
Tue Apr 5 08:43:09 EDT 2011


>   I don't know how to keep
> the 902 looper from spinning. I had the bolts on the mast clamped as
> tight as I could get them and it still spun around.
>
1) use a larger diameter mast.

2) use a larger boom-to-mast plate and double the number of clamps that 
go around the mast.

For just a small increase in mast diameter, you will get a great 
increase in torque resistance.

73,

Dave


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