The Udet U 11 Kondor was a German four-engined

airliner An airliner is a type of aircraft for transporting passengers and air cargo. Such aircraft are most often operated by airlines. Although the definition of an airliner can vary from country to country, an airliner is typically defined as an ...

designed and built by

Udet Flugzeugbau Udet Flugzeugbau GmbH was an aircraft manufacturer founded in the summer of 1921 in Munich by Ernst Udet with Henry Hans Herrmann and Erich Scheuermann, funded by the American financier William Pohl, designing and building light sport and commerc ...

, only one was built.

Design and development

The U 11 Kondor was an open-cockpit, metal-fuselage, wooden high-wing

monoplane A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing confi ...

Siemens-Halske Sh 12 The Siemens-Halske Sh 12 was a nine-cylinder, air-cooled, radial engine for aircraft built in Germany in the 1920s. First run in 1925, it was rated at 80 kW (110 hp). The Sh 12 was also produced in the United States by Ryan Aeronautic ...

piston engines in shaft-driven pusher configuration. It had a crew of three and room for eight passengers with a dangerously close clearance between the pusher propellers and rear passenger door, which caused one fatality. The aircraft was tested by Harry Rother near Munich, finding a tail-heavy condition which required addition of larger control surfaces. The only U 11 was first flown on 19 January 1926 and was refused by

Deutsche Luft-Reederei Deutsche Luft-Reederei (D.L.R.), was a German airline established in December 1917 which started operating in 1919. History The name means "German (Deutsche) Air (Luft) Shipping Company (Reederei)". D.L.R. was reorganized as Aero Lloyd AG in 1 ...

then purchased by

Deutsche Luft Hansa ''Deutsche Luft Hansa A.G.'' (from 1933 styled as ''Deutsche Lufthansa'' and also known as ''Luft Hansa'', ''Lufthansa'', or DLH) was a German airline, serving as flag carrier of the country during the later years of the Weimar Republic and th ...

, crashing on its delivery flight. The cost to develop and produce the prototype was a factor in the collapse of the company, which was then taken over by Bayerische Flugzeugwerke.

Specifications (U 11)

Udet_U_11_Kondor_3-view_Les_Ailes_February_11,1926

References

Notes

Bibliography

External links