Directional Gyro Control, USAF Type E-4 Autopilot/A-12 Gyrosyn, 673447 & Clear Cover Lily Bomber At almost 200 pages

At almost 200 pages

Grumman aircraft after these

Here is a fine specimen of a Fuel Quantity Indicator for the Reserve (Front) fuel tanks as used in versions of the infamous US Army Air Force twin-tailed fighter P-38 Lightning

US Navy AN-5761-1 (former Army Type C-14A)

This stock number was used in the US Navy's Grumman F8F Bearcat fighter

Directional Gyro Control, USAF Type E-4 Autopilot/A-12 Gyrosyn, 673447 & Clear Cover Lily Bomber At almost 200 pagesHere 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