NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Index Error and Micrometer Drums
From: Bill Morris
Date: 2011 Jan 4, 11:43 -0800
From: Bill Morris
Date: 2011 Jan 4, 11:43 -0800
I looked at this from an instrument design point of view early last year and, for sextants whose micrometer mechanism is based on the C Plath pattern, Greg's results are perhaps what one might expect. I have posted the results of some experiments to determine backlash and micrometer errors at
http://sextantbook.com/2010/03/12/backlash-and-micrometer-errors/
Bill Morris
Pukenui
New Zealand
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