NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Averaging
From: Alexandre Eremenko
Date: 2004 Oct 7, 10:26 -0500
From: Alexandre Eremenko
Date: 2004 Oct 7, 10:26 -0500
Michael, Thank you for your message. I am trying to imagine how a "mechanical averaging" device could possibly work, on what principle. Can this be explained in few lines? Alex. On Thu, 7 Oct 2004, Michael Dorl wrote: > > > >(However, I imagine that this recommendation has to be modified > >for a navigator of a strategic bomber flying at 600 knots. > >I don't know much about the aerial navigation, but I suppose > >it had to be done by cell nav before GPS era, and if you are over an > >ocean). > > As I understand it, there's an added problem in a plane because the plane > tends to roll causing the gravity > vector to oscillate. Many of the WW2 era aviation sextants have mechanical > averaging devices to compensate > for this; mine has a 1 minute averager. One minute at 300 miles per hour = > 5 miles. >