[amsat-bb] Re: inquiry about homebrew az-el systems
8p6sm at anjo.com
Wed Feb 27 17:30:36 PST 2013
Returning to this topic...
I'm thinking about a rotator that can handle a small system like the
Arrow, or the Cushcraft A270-6s or even the A270-10s. NOT big boomers
like the KLM 22/40 el CP yagis!
So we're looking at 1½ - 2 sq. ft of windloading, and maybe 10 lbs of
weight. (Including some sort of crossboom, clamps, coax and
counterweights. Rear mounted antennas like the Arrow will need a
Anybody qualified to say what that adds up to in terms of TORQUE
required from the motors? With a little extra thrown in for a safety
I think a simple, low-cost, easily reproducible design is probably
doable, if we combine our ingenuity and expertise.
-- 73, de Gus 8P6SM
Barbados, the easternmost isle.
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