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Subject: Re: Declination retrograde
From: Frank Loch
Reply To: mapug@shore.net
Date: Sat Dec 16 05:04:19 1995

> From: Brandon Jones <JONESS@ee-admn.bham.ac.uk>
> To: mapug@shore.net
> Date: Fri, 15 Dec 1995 09:58:59 GMT
> Subject: Re: Declination retrograde
> Priority: normal
> Reply-to: mapug@shore.net

> It seems to me that the adjustment mentioned by Brandon should be done
> (and new worm grease added or the old grease re-distributed over the wormwheel
> teeth) in cases of "retrograde" dec motion during guiding.
>
> Rob Preston
>
> Robert there is a couple of things that I did not mention that come
> to mind I added a small amount of molyslip lubricant to the worm
> grease that improved it no end.The other thing is that if you look at
> the worm when the scope is unbalanced when the motor goes in one
> direction the worm attempts to climb out of the wheel against the
> spring pressure.It does not do this in the other.While this happens
> you can get the gearbox moving for a short period without the scope
> changing angle.This problem is a real brain teaser and must be simple
> if only we could spot what the hell was going on.
>
> Brandon S. Jones
>
>
>
Brandon -- Wonder if the spring should be a bit stronger to prevent
the worm from climbing a little better.??
Frank Loch -- floch@postoffice.ptd.net