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Re: [TowerTalk] CD45 and TR44

Subject: Re: [TowerTalk] CD45 and TR44
From: Bob Nielsen <>
Date: Sun, 16 Oct 2005 15:00:24 -0700
List-post: <>
On Oct 16, 2005, at 1:11 PM, D. Scott MacKenzie wrote:

> I picked up two rotors today at a ham fest for $50.  One is a CDE  
> CD45 and
> it works well.  There are some cosmetic issues, and I really ought  
> to grease
> it before it gets put on the tower.  From the serial number, it was
> manufactured in 1981.  Where can I get a replacement panel to  
> attach the
> rotor cable? Anything else I should concern myself with regarding this
> rotor?
> The other rotor is a CDR TR44.  I was unable to make it move either  
> CW or
> CCW.  There is no apparent fuse - but I didn't open up the control  
> box.  I
> tried using the CDE CD45 controller, but had no luck getting it to  
> move.
> Any suggestions?

There is a good chance that the motor start capacitor inside the TR44  
control box is bad.     This is a very common failure mode.  I don't  
know for sure, but doubt that the two controllers are interchangeable.

Bob, N7XY

See:  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

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