7 Nov
2000
7 Nov
'00
10:17 a.m.
John Lawson wrote:
ALSO: Aircraft compasses are generally of the
flux-gate or flux-ring
variety, and use a counter-revolving pattern of light to measure the
fields, and are much less susceptible to stray fields than the ancient
magnetic compasses,
You've got me very curious. I'm familiar with flux-gate compasses which
do not use light, and with laser ring gyros which do (but, of course,
are not compasses). What's a flux-ring compass, and how does it use
light?