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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Traditional navigation by slide rule
From: Gary LaPook
Date: 2016 Jan 6, 11:43 -0800
From: Gary LaPook
Date: 2016 Jan 6, 11:43 -0800
You may want to consider optimizing your sliderule for use with the Bygraves formula methods since this produces more accurate results than the sin-cosine formulas when worked on a ten inch sliderule. See:
http://fer3.com/arc/m2.aspx/Bygrave-formula-accuracy-10-inch-slide-rule-Hirose-jul-2009-g8985
http://fer3.com/arc/m2.aspx/Bygrave-formula-accuracy-10-inch-slide-rule-LaPook-jul-2009-g9019
Look at July 2009 where Bygraves were extensively discussed.
gl
