[R-390] kilocycle/megacycle movement

John KA1XC [email protected]
Tue, 31 Dec 2002 00:49:13 -0500


Yup, your right Bob.
On a correctly working split gear you can usually see a tiny bit of movement
between the adjacent teeth when the KC tuning is rocked back and forth; it
helps to use a magnifier to see this.

John

----- Original Message -----
From: "Robert Bethman" <[email protected]>
To: "Joe Foley" <[email protected]>; <[email protected]>
Sent: Monday, December 30, 2002 9:10 PM
Subject: Re: [R-390] kilocycle/megacycle movement


> Let's think about this one a little.
>
> If the spring loading is supposed to take up slack, i.e., backlash, then
> even while meshed it SHOULD be possible to move one of the two spring
loaded
> gears while meshed.
>
> Bob Bethman - N0DGN
> Manassas, VA
> (BC-610s are just better!)
> R-390A EAC '67, R-390A Collins '52, '52 BC-610I, BC-939B, and BC-614E
>
> >
> > You won't be able to see or feel the burrs on the
> > split gears until you seperate the two halves and they
> > won't be able to move against each other while meshed
> > to another gear.