[R-390] Clutch!

G4GJL g4gjl at btopenworld.com
Mon May 16 09:22:03 EDT 2005


Barry, et al.,

How many degrees of rotation do you need to get satisfactory disengagement?

My 390As all seem to need 270 to 360 deg. My R391 needs a lot 
less....maybe90deg only.
Is there a difference in the designs here? I have not had the 391 apart to 
look at the mechanism closely.

Pete
G4GJL


----- Original Message ----- 
From: "Barry" <N4BUQ at aol.com>
To: "R-390-List" <R-390 at mailman.qth.net>
Sent: Sunday, May 15, 2005 4:47 AM
Subject: [R-390] Clutch!


> So, this is what it's like to have a clutch that works properly!  I 
> rebuilt
> the clutch mechanisms in both my R309A's.  The Motorola has always been
> sticky.  Disengage the clutch and the VeederRoot still moves a bit until I
> rock the KC knob a bit.  On the "new" one (Teledyne), disengage the clutch
> (and I can really tell that it disengages) and the VeederRoot counter 
> stays
> very still and I can adjust zero very easily.
>
> So much fun...
>
> Barry - N4BUQ
>
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