[TowerTalk] Prop Pitch Motor

[K0FF]

Charlie, congrads on a rare find. Just to let you know, M2 makes an
excellent control box for the rotor, and will also do the mechanical mods
needed......good luck, Geo>K0FF
-----Original Message-----
From: Charlie Summers <w0yg@prolynx.com>
To: towertalk@contesting.com <towertalk@contesting.com>
Date: Tuesday, June 20, 2000 5:34 AM
Subject: [TowerTalk] Prop Pitch Motor


>
>Folks:
>
>I have a prop pitch motor that I have the following information on:
>
>It was made by Curtis Wright in 1943 and was still in the cosmoline! The
>part number is 109964 if that means anything.  It also has a stock number
of
>87CU-109964-30.  There is a part number 101673 (maybe 101C73 or 101G73 too)
>on the top housing and 106C55 on the lower housing.  The diameter of the
>splined shaft is 3 inches.  The diameter of the motor gear housing measured
>at the bolt circle is about 8 inches.  It is overall about 15 inches long.
>
>My questions are:
>
>1. Does anyone know if this is what is known as a small prop pitch or a
>large prop pitch?  I have been told those with a 3 inch splined shaft
output
>are small prop pitch motors whereas the large ones have a 4 inch splined
>output shaft.
>
>2.  Does anyone know if this thing will fit inside a US Tower HDX589MDPL?
>The rotor shelf is about 11.5 inches as a perpendicular dimension from the
>center of one side to the shelf corner on the other side.  The
>corresponding measurement on what appears to be the mounting flange of the
>prop pitch motor is less than 9.5 inches"
>
>If there is a real prop pitch guru out there please let me know what
>additional information I can give you if what is contained here is
>incomplete.
>
>Thanks and 73,
>
>Charlie, W0YG..>>
>
>
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