[R-390] Another "Close to Perfect" R-390a

JMILLER1706 at cfl.rr.com JMILLER1706 at cfl.rr.com
Thu Mar 2 10:50:33 EST 2006


The one on epay, close to perfect?  White meter faces?  And what's that 
red wire underneath running from the front panel or AF module back to 
the PS, taped to the wiring harness with electrical tape?

----- Original Message -----
From: Roy Morgan <roy.morgan at nist.gov>
Date: Thursday, March 2, 2006 10:10 am
Subject: RE: [R-390] Another "Close to Perfect" R-390a
To: bill at iaxs.net, R-390 at mailman.qth.net

> At 01:50 AM 3/2/2006, Bill Hawkins wrote:
> >Well, I worked on two R-389 PTOs for linearity. Can't get much
> >more Collins or much older than that.
> 
> 
> Bill and others,
> 
> The R-389 PTO is type 70H-1 (not 70H-2  or 70H-12).  It makes 
> FIFTY turns 
> not 10 turns end to end. It is rumored to have been the most 
> difficult PTO 
> Collins ever made. I assume that they were all made at Collins, 
> not 
> contracted out.
> 
> I need one.
> 
> Roy
> 
> 
> - Roy Morgan, K1LKY since 1959 - Keep 'em Glowing!
> 7130 Panorama Drive, Derwood MD 20855
> Home: 301-330-8828 Cell 301-928-7794
> Work: Voice: 301-975-3254,  Fax: 301-948-6213
> roy.morgan at nist.gov --
> 
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