[TowerTalk] Prop Pitch Rotors and water intrusion

[George Dubovsky]

 Paul,

Yes, my added seal is part of the rotator plate and would stay in place
when you pull the PP from the plate. At Tom's request, I'm trying to find a
drawing or pix of what I did back then.

73,
geo - n4ua

On Tue, Jan 16, 2024 at 11:44 AM Paul Christensen <w9ac at arrl.net> wrote:

> >"I fabricated a custom rotator plate from 1/2" aluminum plate and pressed
> in a new seal that fits the OD of the PP output shaft."
>
> George, if that's in addition to the main seal, then you've found a viable
> means to protect it from decomposition.  I should emphasize that the root
> cause of my water ingress problem has been due to seal decomposition.
> Based on my inspection of the failed rotators, I don't believe K7NV used
> anything special for the seal.  Possibly better silicone based seals would
> have helped to increase longevity.
>
> Paul, W9AC
>
>
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