On Fri, 21 Apr 2006 07:08:31 GMT, cavelamb
wrote:

My primary concern with the glass panel in light planes is -

what happens when the lights go off?

Battery backup.
You can have an internal back up that will keep the instruments
running for some time. Plenty of time to look for an airport and land
safely which I'd be doing with either type of gages. :-))

My antiquated mechanical steam powered gizmos will still work.

If the airspeed indicator clams up, the altimeter still works.
You could carry it to the extreme like an F-16. If they lose power
they only have a few minutes to get on the ground before the computers
that fly the airplane quit.

Roger Halstead (K8RI & ARRL life member)
(N833R, S# CD-2 Worlds oldest Debonair)
www.rogerhalstead.com
There was once an old saying about putting all your eggs in one
basket - You can do it, but you have to watch that basket carefully.


Richard