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[TowerTalk] Need selsyns for Telrex rotor

Subject: [TowerTalk] Need selsyns for Telrex rotor
Date: Mon, 9 Aug 2010 22:59:45 EDT
List-post: <">>
I have several selsyns, but all are 115v 60 Hz types - I think you  will 
find that the voltage on yours is also 110v, but at 400 Hz (aircraft  
generator frequency) and dropping the voltage to 57 vac 60 Hz was necessary to  
limit the current and heating.   I have a pair known as 5 pounders,  they are 
about 3" in dia. and 6" in length plus shaft.  I also have small  units about 
1.5" in dia. and 3" in length.  You can mix and match with a  little 
balancing of voltage.
Give me more details of the dimensions and maybe I can match up  something.
Norm W4QN

Date:  Mon, 09 Aug 2010 12:17:15 -0400
From: "Mike Cizek"  <>
Subject: Need selsyns for Telrex rotor
To: _towertalk@contesting.com_ ( 

I  need a selsyn or two and the indicator needle for an old Telrex rotor.   
type 2J1G1, 57.5v at 400 cy.


Mike W3MC
w3mc at  verizon dot net


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