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Directional Gyro Control, USAF Type E-4 Autopilot/A-12 Gyrosyn, 673447 & Clear Cover

Sperry

Directional Gyro Control, USAF Type E-4 Autopilot/A-12 Gyrosyn, 673447 & Clear Cover

$45.00

Here is a Directional Gyro Control of the Sperry A-12/Gyrosyn Automatic Pilot, known in the US Air Force as the Type E-4 autopilot system during the late 1940's and 1950's. The USAF type is S3A, and the Sperry part number is 673447.  

When electrically powered and in-flight, the gyro produced directional indication signals which were amplified and transmitted to the autopilot system and indicators on the flight deck of the aircraft.  

The cover can be removed to reveal the gyro inside.  The gyro does spin when manually rotated. Included is a clear cover. Would make a very cool display.  See photos.  PDF copies of some of the A-12 manuals can be provided if desired.

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