NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Sextant Scope Parallelism (was Re : SNO-T Sextant)
From: Robert Gainer
Date: 2004 Aug 13, 00:16 +0000
From: Robert Gainer
Date: 2004 Aug 13, 00:16 +0000
Maybe I jumped into this in the middle. But don�t you swing the arc to get the point of contact. Does it matter then if the scope is out a littlie bit out of parallel? The image is in the horizon mirror no mater where the scope points. Just a little more confused then usual, Robert Gainer >From: Bruce Stark>Reply-To: Navigation Mailing List >To: NAVIGATION-L@LISTSERV.WEBKAHUNA.COM >Subject: Re: Re: Sextant Scope Parallelism (was Re : SNO-T Sextant) >Date: Thu, 12 Aug 2004 20:02:53 EDT > >Frank, > >You are saying, then, that if the scope is parallel to the sextant, the >contact will be the same no matter where, in the field of view, you make >it? Try >that at around 120 degrees. > >The parallel wires make sure your contact is neither to the left or right >of >center. Without them, it's hard to judge. > >Bruce _________________________________________________________________ Express yourself instantly with MSN Messenger! Download today - it's FREE! http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/