NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Question about Davis Mk 25 sextant beam converger
From: Bill B
Date: 2006 May 8, 23:19 -0400
From: Bill B
Date: 2006 May 8, 23:19 -0400
> BTW, does anyone know what kind of accuracy is possible with the plastic > sextants? Is it possible to get a consistent zero (or very low) intercept to > a known position, or with plastic construction are there just too many > variables involved? I did notice that my index error varied over the weekend > from around +5' to around -4' over just a couple of days. For a good idea of accuracy and techniques, go to: http://www.starpath.com/index.htm Click through > celestial navigation > Davis Plastic Sextants > How to optimize plastic sextant sights. This page now uses some downloadable reader I am not yet familiar with. It was a PDF. If you have trouble, I will send you the PDF(s) off list at your request. Bill
