Is this a K7NV rebuilt prop pitch that is freezing? I thought that he
addressed water ingress in converting them into rotators.
Regarding heating, I have used silicone strip heaters in Ring Rotators with
great success. Another option is to move your tower further south.
John KK9A / 4
To: "'towertalk@contesting.com'" <towertalk@contesting.com>
Subject: [TowerTalk] Freezing prop pitch rotor
From: "Zivney, Terry L." <00tlzivney@bsu.edu>
Date: Wed, 1 Dec 2010 14:55:12 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
I seem to be having some problems with my small prop pitch rotor freezing up
When the temperature is below freezing. I'm assuming it's a two part
problem.
First, water must be getting in somehow.
Second, the water freezes when its cold.
My rotor installation looks like the fifth picture at
http://www.k7nv.com/proppitch/id36.htm
So, first, how do I manage to reduce water ingress?
Second, how do I manage to heat the rotor? I don't have 120v at the tower
And it is about 400 feet from the house.
Terry Zivney, N4TZ/9
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