NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Artificial horizon
From: Bill B
Date: 2005 Feb 21, 18:33 -0500
From: Bill B
Date: 2005 Feb 21, 18:33 -0500
> For an artificial horizon, there seems no reason to ask for a reflecting > surface bigger than, say, 3 inches diameter, which should occupy the visual > field of a sextant at a convenient distance. True if the body's elevation is high. If low, the lip of the vessel may get in the way, so fluid would have to be topped off. A larger vessel allows a greater range of elevations without having the fluid level "too" high. This might not matter for water, but transporting oils etc... Bill