NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: That darned old cocked hat
From: Jeremy C
Date: 2010 Dec 15, 07:06 EST
From: Jeremy C
Date: 2010 Dec 15, 07:06 EST
George H wrote:
I have no experience of a big-ship's navigationa gear, but
presume that there's a
bit of motion when reading the gyro repeater, particularly in tempest
conditions.
bit of motion when reading the gyro repeater, particularly in tempest
conditions.
------------------
You have that right George! Depending on the ship, even a regular
ocean swell can make taking an azimuth difficult as you need to shoot it when
the bubble of the level is where it should be. Taking visual bearings in a
protected harbor is a bit easier of course.
Jeremy