NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: "Improved" sextants
From: Bill B
Date: 2006 Jul 6, 01:10 -0500
From: Bill B
Date: 2006 Jul 6, 01:10 -0500
$20 for the sextant, $7 for the bubble. Of course that does not use include the glue to assemble it.I did have it out after the Lake Michigan sail. Still 0 IC in moderate humidity . Still good to +/- 2'. Bill > > Frank, > >> hundred bucks that will read out angular >> tilt relative to true level accurate >> to +/-0.1 degrees or so. > > I remember Bill's old cardboard sextant (the whole sextant > substantially less than $100). It was equipped with a simple > bubble level of comparable accuracy. > I suppose that the simple bubble horizon sold by Celestaire > has better accuracy, not speaking of the expensive > Cassens+P bubble horizon. > > Alex. Precision of the Celestaire unit (tripod mounted) is much better because it is mounted on an Astra. Accuracy is worse (hand held or tripod mounted) than the cardboard unit for reasons mentioned in the post to Greg R. Bill --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to NavList@fer3.com To , send email to NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---
