ATM Re: ALTITUDE DRIVE MOTOR

[astrojoe@erols.com]

Jim Fly wrote:
> 
> > When I saw your PICS, I thought you had the
> > same problem, not realizing te real reason you used the spring ( clutch
> > action engagement )
> 
> Joe,
> 
> The action of the plate, motor and drive pulley being forced down as the
> clutch lever is actuated puts tension on the belt (on both sides).  The
> (adjustable) spring interface "limits" the tension so that the belt is not
> too tight (and binding).
> 
> On your system it sounds as if your OTA balance at the altitude bearings
> may need adjusted and/or the friction on the altitude bearings may be too
> much.
> 
> Regards,
> 
> Jim Fly

Hi Jim,

Yes, the altitude bearing friction is a problem which I am correcting
this week. This may lessen the belt slackening; but not solve the entire
problem. If it is a belt stretch problem, I will have to add a spring
loaded idler.

Joe