[TowerTalk] Selsyns and prop pitch
Bob Perring
perring@texas.net
Tue, 19 Jan 1999 13:45:18 +0000
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At 05:41 1/19/99 -0800, dan hearn wrote:
> Re the selsyns, I used them for about a year in Tulsa but moisture got in
the
>bearing and the rotator one froze up. Since that time I have used 5K pot
driven
>by very small stainless cable w pulleys. Some people make a toothed gear out
>of sheet metal to drive either a selsyn or a pot.
====================
There is a writeup on this method in an old ARRL Hints and Kinks.
N5RP
C. Robert Perring
Consultant to Technology ATD3
12715 Westmere
Houston, Texas 77077
tele:(281) 493-5780
fax: (281) 493-5780
Std e-mail: perring@texas.net <mailto:perring@texas.net>
Int'l e-mail: N5RP@compuserve.com <mailto:N5RP@compuserve.com> (when
traveling)
http://perring.home.texas.net
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<html>
<font size=3>At 05:41 1/19/99 -0800, dan hearn wrote:<br>
> Re the selsyns, I used them for about a year in Tulsa but
moisture got in the<br>
>bearing and the rotator one froze up. Since that time I have used 5K
pot driven<br>
>by very small stainless cable w pulleys. Some people make a toothed
gear out >of sheet metal to drive either a selsyn or a pot. <br>
====================<br>
There is a writeup on this method in an old ARRL Hints and Kinks.<br>
N5RP<br>
</font><br>
<div>C. Robert Perring</div>
<div>Consultant to Technology ATD3</div>
<div>12715 Westmere</div>
<div>Houston, Texas 77077</div>
<div>tele:(281) 493-5780</div>
<div>fax: (281) 493-5780</div>
<div>Std e-mail: perring@texas.net
<<a href="mailto:perring@texas.net" EUDORA=AUTOURL>mailto:perring@texas.net</a>>
</div>
<div>Int'l e-mail: N5RP@compuserve.com
<<a href="mailto:N5RP@compuserve.com" EUDORA=AUTOURL>mailto:N5RP@compuserve.com</a>>
(when</div>
<div>traveling)</div>
<div><a href="http://perring.home.texas.net/" EUDORA=AUTOURL>http://perring.home.texas.net</a></div>
</html>
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