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Re: [TowerTalk] Prop Pitch Rotors

To: <towertalk@contesting.com>
Subject: Re: [TowerTalk] Prop Pitch Rotors
From: <john@kk9a.com>
Date: Wed, 2 Apr 2025 21:02:59 -0400
List-post: <mailto:towertalk@contesting.com>
It is a simple swap to switch from a K7NV Ø2" mast clamp to a K7NV Ø3" clamp
IF they are made for the same size prop pitch.  There was a very good
description of prop pitch sizes and gear ratios on https://www.k7nv.com but
sadly that information was quicky removed after his passing.  Perhaps you
can find the information that you need in the wayback machine.

John KK9A


Tom Hellem K0SN wrote:

Recently came into possession of a K7NV rebuild.
It has a mast clamp for 2".
Anybody know of a source for a 3" mast clamp?
Can I assume if I did find one it would be a simple swap
or are there hoops to jump through to adapt it?

How do I tell the difference between the various PP sizes?
It looks like they came in a few different sizes. What are the
identifying characteristics?

Any and all help appreciated.

73
Tom Hellem
K0SN


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