[TowerTalk] tuner/stepper motors?

[2]

>
>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


List Sponsored by AN Wireless:  AN Wireless handles Rohn tower systems,
Trylon Titan towers, coax, hardline and more. Also check out our self
supporting towers up to 96 feet for under $1500!!  http://www.anwireless.com

-----
FAQ on WWW:               http://www.contesting.com/FAQ/towertalk
Submissions:              towertalk@contesting.com
Administrative requests:  towertalk-REQUEST@contesting.com
Problems:                 owner-towertalk@contesting.com