NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: SNO-T Backlash
From: Jean-Philippe Planas
Date: 2005 Nov 21, 11:26 -0800
JPP
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From: Jean-Philippe Planas
Date: 2005 Nov 21, 11:26 -0800
Hi Bruce,
My idea is that this screw induces a stop position that monitors the gap between the the worm and the teeth. As the position of the worm is spring loaded, the worm travels to a postion farther from the arc when the screw is driven on and closer when it is backed.
JPP
Bruce Stark <Stark4677@AOL.COM> wrote:
Bruce Stark <Stark4677@AOL.COM> wrote:
If you are brave enough to adjust that little mystery screw on the back of the SNO-T trommel, be careful not to overdo it. If the screw is turned out too far it will be hard to make 0'1 or 0'2 adjustments to an observation. The wheel will want to turn in slight jumps, rather than smoothly.
By the way, I don't think this screw has anything to do with how tight the gears fit. What I HOPE it! does is tighten the connection between the worm screw and index.
Bruce
JPP
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