Re: [ATM] Re: ATM Digest, Vol 13, Issue 8

["Don D'Egidio" <djd521@comcast.net>]

Martin,

Add some thin teflon strips to both sides of the mirror box that will keep it centered between the sides of the rocker box.

Don

----- Original Message ----- 
From: <martin.cibulski@t-online.de>
To: <atm@atmlist.net>
Sent: Thursday, January 06, 2005 7:25
Subject: [ATM] Re: ATM Digest, Vol 13, Issue 8


> Hi everbody,
> 
> I have a problem using my goto telescope:
> It is a dobsonian construction, instead of teflon pads it
> is supported by small ball bearings and driven by self made
> aluminum wheels and threaded rods used as worms.
> 
> Pictures can be seen at:
> http://martin-cibulski.de/atm/scope_14_completed/index.htm
> 
> The problem is:
> When the tube moves up/down it moves a little sideways until
> the worm and wheel come out of contact.
> I tried to adjust the side bearings' positions and made the
> ball bearings as straight as I could but the problem is still there.
> 
> Are there any ideas how to prevent the tube from moving to the side ?
> 
> Regards,
> Martin Cibulski
> _______________________________________________
> ATM mailing list http://www.atmlist.net/
> 

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