In a message dated 98-06-09 02:46:49 EDT, johan.vandevelde@ping.be writes:
> can anyone tell me how to do a strenght calculation on a toptube
> used for stacking 2 yagis 37ft apart with a windload of 1 sq.M
>
If you're trying to calculate the bending moment of the 37 foot mast and
the yield strength and wall thickness of a suitable recommended material, the
MARC Program (Mast, Antenna and Rotator Calculator) will do it for you. It's
$9.95 + s/h from Champion Radio Products. Email to sales@championradio.com.
Cheers, Steve K7LXC
CHAMPION RADIO PRODUCTS
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