NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Artificial Horizon, was: Working lunars from calculated altitudes.
From: Michael Wescott
Date: 2002 Apr 1, 08:33 -0500
From: Michael Wescott
Date: 2002 Apr 1, 08:33 -0500
> I believe you can still buy it [metallic mercury], but it is expensive,
> heavy, and toxic. [...]
> I'd rather mess with engine oil.
I've had good success with glycerin. Put some ink or dark food coloring in it
and it's almost as dark as used engine oil. Non-toxic. Viscous enough that it's
not rippled by a breeze. I just use a shallow Tupperware container, peeling
off the top when I want to use it and otherwise storing it with the cover on.
Still works fine after 3 years.
--
Mike Wescott
Wescott_Mike@EMC.COM
