[R-390] R-390/URR

[rbethman]

Bob,

The FIRST question - Describe what YOU call "backlash".

Backlash is "normally" the free-play inherent in a geared system.  A 
certain amount is NECESSARY to prevent the gears from destroying themselves.

Bob - N0DGN

Bob Young wrote:
> I'm working away on 2 390's also, got one running pretty well so far, 
> it really just needed a good electrical alignment, I need a couple of 
> crystals for it. I haven't checked the cams yet though. The bands are 
> uneven. I changed the PTO in the other one, I'm getting severe 
> backlash, not sure why yet, I think the oldham coupler is hooked up ok 
> although it didn't have backlash until I decided that the oldham 
> coupler two sides needed to be closer together after I put it in.
>
> I'll check mine tomorrow for those readings and see what I get on E210.
>
> Bob
> KB1OKL
>
>
>