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[TowerTalk] Gear drive motor

Subject: [TowerTalk] Gear drive motor
Date: Mon, 2 Aug 2004 12:33:58 EDT
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In a message dated 8/2/2004 12:07:43 PM Eastern Standard Time, writes:
Could a couple of you take a look at the Grainger
model # 5K539 gearmotor and see if this would be a
suitable gearmotor for my application (driving the
winch on my tower) ?? i just discovered that i have
access to an older version of this from Dayton Motor
it appears to be a little heaftier and the ratings are
similar with slightly more torque (719).


Unless the it is a wormgear arrangement I would not use it for a cable winch 
drive.  That assumes the cable drum is free wheeling.  If you are driving a 
"boat" winch with built in braking it should be no problem.  I would design the 
cable/winch mechanism to also provide positive pull-down which a "boat" winch 
can not provide.

Norman W4QN

"The Power of a Cubex Quad"

See:  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

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