Autopilot Attitude Gyro, Lear 2175A, RAF? F-8 Crusader Sperry part number 644836

Sperry part number 644836

or it was sourced there

the compass can be employed as a plain gyro D

it serves no other function and requires no other radar in the aircraft

the indicator would indicate to the pilot-in-training simulated directional signals received from ground transmitters by the loop antenna

Autopilot Attitude Gyro, Lear 2175A, RAF? F-8 Crusader Sperry part number 644836Here is an Attitude Gyro component of a 1950's era Lear Autopilot System (the exact early Lear system has not been determined). This pneumatic gyro appears quite similar to those used in RAF aircraft produced by Sperry (especially the British label "Do Not Jar, Handle Like Eggs") but with an electrical pick off at the back, which likely transmitted the aircraft's attitude to the autopilot controller. Has a service label dated 1966. The face is in