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Am 18. April 1924 schlug der von Raúl Pateras Pescara entwickelte Pescara No. 3 den vier Tage vorher von Œhmichen aufgestellten Weltrekord für Rotorflugzeuge um das Doppelte und setzte dabei erstmals zyklische Blattverstellung ein, see video ===> https://upload.wikimedia.org/wikipedia/commons/9/95/Bits_%26_Pieces_-_BP374_-_Test_flight_of_Pescara%27s_helicopter_-_1922_-_EYE_FLM7760_-_OB105716.ogv ===> https://de.wikipedia.org/wiki/Hubschrauber#Anf.C3.A4nge

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If two marks of big prestige join as it is a Diesel and Agv usually appears a big product, since it is the case of this helmet that well makes resemble the helmets of the pilots of planes or helicopters of combáte.

Image issue du site Web http://designyoutrust.com/wp-content/uploads/2013/10/Helm.jpg

PESCARA HELICOPTER 1S SI Neg. 2002-957. Date: na...Left side view of Raoul Pateras de Pescara at the controls of his Pescara 1S Helicopter shown in hover flight a few feet off the ground inside a building at Issy-les-Moulineaux, France during a demonstration for Service Technique l'AÈronautique in one of the first ever controlled helicopter flights. Several men are visible standing around the helicopter. Circa January/February 1922. ..Credit: unknown (Smithsonian Institution)

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von art.com

Pescara Helicopter 1922

Pescara 1S Helicopter 1922

Close-up view of a Pescara helicopter, c1920s-1930s.

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Focke-Wulf Fw 61, 1936, the first practical, functional helicopter in the world

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February 12, 1947: First flight of the Sikorsky S-52, an American 2 seater utility helicopter, first US helicopter with all-metal rotor blades.

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Hiller YH-32 Hornet, 1950, ramjet-powered helicopter

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