NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Greg Rudzinski
Date: 2011 Jan 23, 05:46 -0800
Being able to rotate a floating mirror 180* should get the job done. If I were to fabricate an artificial horizon using a standard flat mirror it would involve a shallow nested oversized square floating tray (in water or blue windshield cleaner fluid for below freezing) with a flat 4" x 4" mirror glued precisely at the center of the floating inner tray. Floating foam spacers on all four sides could be used to keep the inner tray sides from contacting the outer tray.
Greg Rudzinski
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