NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Traditional navigation by slide rule
From: Brad Morris
Date: 2016 Nov 12, 11:22 -0500
From: Brad Morris
Date: 2016 Nov 12, 11:22 -0500
Hello Bob
You wrote: I may create a simplified design and build a shirt pocket rule specifically optimized for solving the current triangle and doing speed/time/distance, for the helmsman to use without leaving the cockpit.
Better make that out of a buoyant material!! Float tests are far too common to be ignored! ;-)
Brad
On Nov 12, 2016 8:55 AM, "Bob Goethe" <NoReply_Goethe@fer3.com> wrote:
>> Since your input speeds are only to a one-tenth of a knot precision and the course to one degree, it makes no sense to state the results to one-hundredths of a knot and the current correction angle to one-tenth of a degree<<
You are quite correct. Mea culpa. Thank you for this - I have made corrections in my draft of the manual - and for illustrating the various flight computers.
Bob
