Tag Archives: Hans Fay

31 March 1945

Messerschmitt Me 262 A-1 WNr. 111711 (U.S. Air Force photograph)
Messerschmitt Me 262 A-1 WNr. 111711 (U.S. Air Force)

31 March 1945: Messerschmitt AG test pilot and technical inspector Hans Fay (1888–1959) defected to the Allies at Frankfurt/Rhein-Main Airfield, Frankfurt, Germany. He brought with him a brand new Me 262 A-1 twin-engine jet fighter.

Fay had been waiting for an opportunity to bring an Me 262 to the Americans, but feared reprisals against his parents. When he learned that the U.S. Army controlled their town, he felt that it was safe to go ahead with his plan.

On 31 March, Fay was ordered to fly one of twenty-two new fighters from the Me 262 assembly factory at Schwäbisch-Hall to a safer location at Neuburg an der Donau, as they were in danger of being captured by advancing Allied forces. His airplane was unpainted other than low visibility Balkenkreuz markings on the wings and fuselage, and standard Luftwaffe markings on the vertical fin. Fay was the fourth to take off, but instead of heading east-southeast toward Neuburg, he flew north-northwest to Frankfurt, arriving there at 1:45 p.m.

Hans Fay’s Messerschmitt Me 262 A-1 at Frankfurt Airfield. (U.S. Air Force)
Messerschmitt Me 262A-1 WNr. 111711 at Frankfurt Airfield. (U.S. Air Force)

The Messerchmitt Me 262 Schwalbe was the first production jet fighter. It was a single-place, twin-engine airplane with the engines placed in nacelles under the wings. It was 34 feet, 9 inches (10.592 meters) long with a wingspan of 41 feet (12.497 meters) and overall height of 11 feet, 4 inches (3.454 meters). According to Fay, the fighter’s empty weight was 3,760 kilograms (8,289 pounds) and the maximum gross weight was 7,100 kilograms (15,653 pounds) at engine start.

The Me 262 A-1 was powered by two Junkers Jumo TL 109.004 B-1 turbojet engines. The 004 was an axial-flow turbojet with an 8-stage compressor section, six combustion chambers and single-stage turbine. The 004 engine case was made of magnesium for light weight, but this made it vulnerable to engine fires. The engine was designed to run on diesel fuel, but could also burn gasoline or, more commonly, a synthetic fuel produced from coal, called J2. The engine was first run in 1940, but was not ready for production until 1944. An estimated 8,000 engines were built. The 004 B-1 produced 1,984 pounds of thrust (8.825 kionewtons) at 8,700 r.p.m.

24 March 1946: Jumo 004 was tested at the NACA Aircraft Engine research Laboratory, Cleveland, Ohio. (NASA)
24 March 1946: The Jumo 004 was tested at the NACA Aircraft Engine Research Laboratory, Cleveland, Ohio. The axial-flow compressor section is visible. (NASA)

During interrogation, Hans Fay said that for acceptance, the production Me 262 was required to maintain a minimum of 830 kilometers per hour (515 miles per hour) in level flight, and 950 kilometers per hour (590 miles per hour) in a 30° dive. The fighter’s cruise speed was 750 kilometers per hour (466 miles per hour).

A number of factors influenced the Me 262’s maximum range, but Fay estimated that the maximum endurance was 1 hour, 30 minutes. U.S. Air Force testing establish the range as 650 miles (1,046 kilometers) and service ceiling at 38,000 feet (11,582 meters).

Lieutenant Walter J. McAuley, Jr.
Lt. Walter J. McAuley, Jr.

It was armed with four 30 mm Rheinmetall-Borsig MK 108 autocannons with a total of 360 rounds of ammunition. It could also be armed with twenty-four  R4M Orkan 55 mm air-to-air rockets. Two bomb racks under the wings could each be loaded with a 500 kilogram (1,102 pounds) bomb.

1,430 Me 262s were produced. They entered service during the summer of 1944. Luftwaffe pilots claimed 542 Allied airplanes shot down with the Me 262.

Hans Fay’s Messerschmitt Me 262 A-1, WNr. 111711, was transported to the United States and was tested at Wright Field, Dayton, Ohio.

711 was lost during a test flight, 20 August 1946, when one of its engines caught fire. The test pilot, Lieutenant Walter J. “Mac” McAuley, Jr., U.S. Army Air Corps, safely bailed out. The Me 262 crashed 2 miles (3.2 kilometers) east of Lumberton, Ohio, and was completely destroyed.

Messerschmitt Me 262A-1 Schwalbe WNr. 111711. (U.S. Air Force)
Messerschmitt Me 262A-1 Schwalbe WNr. 111711. (U.S. Air Force)
Messerschmitt Me 262A-1 WNr. 111711 at Wright Field. (U.S. Air Force)

© 2017, Bryan R. Swopes

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