Re: New Declination Motor

["Robert Creager" <Robert_Creager@LogicalChaos.org>]

Another way to look at the long transit times is it's a perfect time to take dark/bias 
exposures.  Then you don't 'waste' observation time.

Date sent:      	Fri, 14 Jun 2002 11:40:20 -0500
To:             	tass@listserv.wwa.com
From:           	Tom Droege <tdroege2@earthlink.net>
Subject:        	New Declination Motor

> Dan and I did some tests with the new declination motor yesterday. 
> With this high gear ratio motor, the Dec. axis does not move before
> the clamp goes on.  In fact, it does not move except for the slop in
> the chain drive unless you move it.  That is the good news.
> 
> The bad news is that it moves a rate of about 1/4 degree per second. 
> So a maximum move might take 6 minutes. Possibly I can speed this up a
> little.  It is in the stamp code.
> 
> I think this is OK for me.  I plan to just step back and forth from
> the equator to 7 degrees for a start.  I will probably go 3 degrees at
> a time so that there is an overlap.
> 
> Tom Droege  
> 
> 
>