Entwicklungsring Süd (EWR) was a German consortium formed in 1959 to build a Mach 2 Vertical Take-Off Interceptor for the

Luftwaffe The Luftwaffe () was the aerial warfare, aerial-warfare branch of the before and during World War II. German Empire, Germany's military air arms during World War I, the of the Imperial German Army, Imperial Army and the of the Imperial Ge ...

History

The consortium was formed in 1959 by the German aircraft companies

Bölkow Bölkow was a West German aircraft manufacturer based in Stuttgart, Germany, and later Ottobrunn. History The company was founded in 1948 by Ludwig Bölkow, who since 1955 with Emil Weiland had developed helicopters for Bölkow Entwicklungen KG. ...

Heinkel Heinkel Flugzeugwerke () was a German aircraft manufacturing company founded by and named after Ernst Heinkel. It is noted for producing bomber aircraft for the Luftwaffe in World War II and for important contributions to high-speed flight, wit ...

and

Messerschmitt Messerschmitt AG () was a German share-ownership limited, aircraft manufacturing corporation named after its chief designer Willy Messerschmitt from mid-July 1938 onwards, and known primarily for its World War II fighter aircraft, in parti ...

to develop a Mach 2

VTOL A vertical take-off and landing (VTOL) aircraft is one that can takeoff and landing, take off and land vertically without relying on a runway. This classification can include a variety of types of aircraft including helicopters as well as thrust- ...

interceptor for the

German Air Force The German Air Force (, ) is the aerial warfare branch of the , the armed forces of Germany. The German Air Force (as part of the ) was founded in 1956 during the era of the Cold War as the aerial warfare branch of the armed forces of West Ger ...

. In 1964 Heinkel left the consortium and the following year it was formed as a company Entwicklungsring Süd GmbH. A VJ 101C prototype aircraft was built and flown in 1963 although it crashed on its 132nd flight, on 14 September 1964, during a normal horizontal take-off. The accident was found to have been caused by a roll-rate gyro which had been installed with reversed polarity. A modified second prototype flew in 1965 and it was planned to put an improved variant VJ 101D into production, but the development was stopped. EWR teamed with Boeing, Fairchild, Hiller and

Republic Aviation The Republic Aviation Corporation was an American aircraft manufacturer based in Farmingdale, New York, on Long Island, New York, Long Island. Originally known as the Seversky Aircraft Company, the company was responsible for the design and produ ...

for the Advanced Vertical Strike (AVS).https://www.flightglobal.com/FlightPDFArchive/1967/1967%20-%200918.PDF

Products

EWR VJ 101 The EWR VJ 101 was an experimental West Germany, West German fighter aircraft, jet fighter vertical takeoff/landing (VTOL) tiltjet aircraft. VJ stood for ''Versuchsjäger'', (German language, German for "Experimental Fighter"). The 101 was one of ...

References

;Notes ;Bibliography * {{DEFAULTSORT:Entwicklungsring Sud Defunct aircraft manufacturers of Germany Heinkel Messerschmitt