Collins radio had some pretty good success with their tape wound motor
driven antenna tuners.
73
Gary K4FMX
garyejones@cmaaccess.com wrote:
> The real issue here, in my mind, (outside of the OM that lives on a
> saltwater island and had to replace his aluminum every year or two) is
> how long will the SteppIR elements hold up and how long the motor
> drives (the mechanics) will continue to accurately move the copper
> strips out and back. I wouldn't touch one until I heard how these
> elements are doing after five years vibrating 20 Hz in the wind,
> bending under ice loads, taking the blistering southern summers, and a
> couple of thousand changes of length. My hunch is that there will not
> be a single antenna working at 5 or 10 years, while there are many 30
> year old aluminum monobanders still "playing" like the day there were
> first erected......
>
> 73
>
> Gary W5FI
>
>
> _______________________________________________
>
> See: http://www.mscomputer.com 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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>
>
_______________________________________________
See: http://www.mscomputer.com 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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