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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+Prop\s+Pitch\s+Rotors\s+and\s+water\s+intrusion\s*$/: 7 ]

Total 7 documents matching your query.

1. [TowerTalk] Prop Pitch Rotors and water intrusion (score: 1)
Author: Tom Hellem <tom.hellem@gmail.com>
Date: Tue, 16 Jan 2024 08:19:15 -0700
In the case of a prop pitch rotor mounted underneath a rotor shelf in a tower, does anybody here have experience regarding the effectiveness of the rubber seal included in the prop pitch ? Does it do
/archives//html/Towertalk/2024-01/msg00032.html (6,861 bytes)

2. Re: [TowerTalk] Prop Pitch Rotors and water intrusion (score: 1)
Author: "Paul Christensen" <w9ac@arrl.net>
Date: Tue, 16 Jan 2024 10:49:11 -0500
tower, does anybody here have experience regarding the effectiveness of the rubber seal included in the prop pitch ? No, it doesn't unless a rain shield is installed. I have a graveyard of six prop
/archives//html/Towertalk/2024-01/msg00033.html (8,760 bytes)

3. Re: [TowerTalk] Prop Pitch Rotors and water intrusion (score: 1)
Author: George Dubovsky <n4ua.va@gmail.com>
Date: Tue, 16 Jan 2024 11:27:45 -0500
Tom, I have two PP in service, both on Rohn 45. For both, 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. I used a Chic
/archives//html/Towertalk/2024-01/msg00034.html (9,188 bytes)

4. Re: [TowerTalk] Prop Pitch Rotors and water intrusion (score: 1)
Author: "Paul Christensen" <w9ac@arrl.net>
Date: Tue, 16 Jan 2024 11:44:04 -0500
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
/archives//html/Towertalk/2024-01/msg00035.html (8,268 bytes)

5. Re: [TowerTalk] Prop Pitch Rotors and water intrusion (score: 1)
Author: George Dubovsky <n4ua.va@gmail.com>
Date: Tue, 16 Jan 2024 11:50:16 -0500
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, g
/archives//html/Towertalk/2024-01/msg00036.html (8,719 bytes)

6. Re: [TowerTalk] Prop Pitch Rotors and water intrusion (score: 1)
Author: George Dubovsky <n4ua.va@gmail.com>
Date: Tue, 16 Jan 2024 12:50:24 -0500
This is one of the two PP plates I made. One PP rotates a conventional mast on a tall R45, the other rotates a 105' rotating tower. In both cases, all axial force is resisted by a tower bearing; this
/archives//html/Towertalk/2024-01/msg00037.html (9,566 bytes)

7. Re: [TowerTalk] Prop Pitch Rotors and water intrusion (score: 1)
Author: Jim W7RY <jimw7ry@gmail.com>
Date: Tue, 16 Jan 2024 16:52:00 -0600
Attachments are not allowed on this list. That is ONE reason that I started towertalk@groups.io. 73, Jim W7RY 73, geo - n4ua Tom, I have two PP in service, both on Rohn 45. For both, I fabricated a c
/archives//html/Towertalk/2024-01/msg00038.html (10,335 bytes)


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