SPERRY A-3 GYROPILOT OVERHAUL MAINTENANCE MANUAL
DVD PDF OR DOWNLOAD
. NO. 15-724 THE MODEL A-3 (S-3) GYROPILOT
1947 OVERHAUL SERVICE , 175 PDF DETAILED PAGES
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Dated 1947 Sperry Sperry Gyroscope INC Great Neck NY
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The gyroscopic autopilot was a type of autopilot system developed primarily for aviation uses in the early 20th century. Wiley Post became famous after his record setting trip around the world on June 23, 1931. In his aircraft, a Lockheed Vega nicknamed “Winnie Mae,” he managed to travel around the world in eight days 15 hours and 51 minutes. He accomplished this with the help of Harold Gatty, who served as his navigator and copilot. Two years later he set out to beat his previous record by flying around the world by himself. He wanted to prove that one man could accomplish the same trip without a co-pilot. In order to accomplish this, he equipped the Winnie Mae with a Sperry gyroscope autopilot and a radio direction finder. Completed the trip in seven days, 18 hours and 49 minutes. The use of the autopilot and radio direction finder is credited for making the task of navigating the aircraft much easier and more efficient. The devices where used on many allied aircraft during World War II. Straight and level flight had become a necessity for new level bombing techniques that were being developed at the time. The Sperry Gyroscope developed many autopilot systems for use on military aircraft. When the Boeing B-17 Flying Fortress was delivered in the late 1930s,
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