[TowerTalk] SteppIR

[Gary Schafer]

Collins radio had some pretty good success with their tape wound motor 
driven antenna tuners.

73
Gary  K4FMX

garyejones at 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
> 
> 
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