NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: ? ? ? Re: Doug Royer's Artificial Horiz on
From: Fred Hebard
Date: 2005 Feb 25, 16:18 -0500
From: Fred Hebard
Date: 2005 Feb 25, 16:18 -0500
On Feb 25, 2005, at 4:01 PM, Bill wrote: > An afterthought. Depending how much $$ you want to put into it, and > how > much weight the "fragile factor" has, perhaps a piece of polished > stainless > steel or chromed steel? > > Bill > >> Bill> I was thinking of a piece of Plexiglas 3/8 or half an inch >> thick, eight >> inches round, with the three leveling screws maybe an inch in from >> the edge. >> Do you >> think it would work? The stuff isn't THAT limber, is it? > > Bill, If I am not mistaken, what is called "float glass" is cast on top of a liquid, so it is extremely flat except at the edges. The trick with the steel would be finishing it flat to the same degree. Don't know what they do to flatten Plexiglas, how it is cast. Fred
