NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: The development of bubble sextants
From: Douglas Denny
Date: 2009 Aug 16, 14:22 -0700
From: Douglas Denny
Date: 2009 Aug 16, 14:22 -0700
The PIM theodolite acts in the manner as you say with a negative feedback restoring force for North-seeking. Coriolis is a 'real' force present in the system causing the gyro to apparently precess in the same way as Foucault's pendulum. Douglas Denny. Chichester. England. --~--~---------~--~----~------------~-------~--~----~ NavList message boards: www.fer3.com/arc Or post by email to: NavList@fer3.com To , email NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---