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[TowerTalk] tuner/stepper motors?

To: <towertalk@contesting.com>
Subject: [TowerTalk] tuner/stepper motors?
From: 2@vc.net (2)
Date: Sun, 26 Aug 2001 08:25:23 -0700
>
>Anybody out there successfully used stepper motors to power variable
>caps in remote tuners?  The ability to have good
>precision/repeatability seems idea.  Chief problem seems to be
>obtaining one with enough torque.

//  I use permanent-magnet DC gear-motors.  They have enough torque, 
reverse direction by reversing polarity and require only  2-wires.  
Remote position-indication is done with either a multiturn-potentiometer 
(or a resolver-potentiometer) and a DC meter.    

>...

cheers, Brian

-  R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures.  
end


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