As far as I am aware on any autopilot I ever worked on the autopilot/autothrottle took
no information from the instruments.It provides information to the instruments so the
pilot can see what the autopilot is doing.But to fly the A/C the autopilot could not
careless what the instruments are doing.
After studying the Bendix "KFC 225 Pilot's Guide" (available on the Bendix/King website), I am under the impression that this particular autopilot reads information from the instruments:
Attitude Gyro
Altimeter
Compass System
Optionally a GPS and
Optionally a Radar Altimeter
This was the autopilot that I had in mind.
The autopilot takes its information from CADS Corrected Air Data System INS or U Inertial Navigation System or Unit or GPS Radio Navigation Unit Radio Altimeter Auto Pilot Control panel Compass Controler
I don't think all theese units are available in a light aircraft like the C172 ;-)
All these units except for the control panel are blackbox's down in the
bowels.Also the autopilot unit is down there to.
So to simulate the Autopilot you would need to simulate all these box's outputs.
Yes!
Alternativly you could just add there outputs to the property tree,quite
a few already are,and make the autopilot/autothrottle that way.
This is all I used to do the 737 autopilot.And while there are a few things
that need to be done the property tree I found to be very good.
Hope this helps Cheers Innis
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