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Lippisch, Alexander Martin

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Born: 1894. Died: 1976-01-01.

As of January 1947, working at Wright Field, Ohio.

• First manned rocket-powered aircraft flight. - . Crew: Stamer. Nation: Germany. Related Persons: Lippisch, Opel, Stamer.

  A rocket-boosted glider is flown by Friedrich Stamer from the Rhoen Mountains in Western Germany. The development was funded by Opel, the canard-layout glider designed by Hans Lippisch, and the powder rockets developed by Sander. As in the Opel ground vehicles, a boost rocket (360 kgf for 3 seconds) was to accelerate the glider down the launch ramp. A sustainer rocket (20 kgf for 30 seconds) would keep the aircraft in flight. It was hoped to develop a method of launching gliders that would allow the pilot to get airborne without assistance - that did not require a tow aircraft or the eight-man crew needed to pull back the rubber band on existing rail launchers. Tests with smaller motors in models showed the high-thrust motors were too powerful, so the full-scale tests used a standard rubber-band rail launcher with only the low thrust motors installed. After two attempted flights, Stamer finally made a successful flight, firing two 20 kgf motors one after the other. The glider flew about 1.5 km in 70 seconds. On the second flight the first motor exploded, setting the aircraft on fire. Stamer landed successfully but further attempts were abandoned.

• Opel Sander Rak 1 flies. - . Crew: Opel. Nation: Germany. Related Persons: Lippisch, Opel.

  Opel sponsored resumption of tests of rocket-boosted gliders near Frankfurt-am-Main, Germany. These involved a design by Lippisch, boosted by 16 powder rockets of 23 kgf each. With Opel at the controls, the glider successfully launched itself from a 20-m long rail launcher, and he flew the aircraft for ten minutes. However the landing went badly - the design had a landing speed of 160 kph, and with a total weight of 270 kg, a high wing loading. Opel survived but the glider had to be written off. This was Opel's last involvement with rocketry. General Motors, the majority owner of the Opel company, prohibited further rocketry work after the stock market crash. Fritz von Opel left the country and moved to Switzerland.

• Death of Alexander Martin Lippisch. - . Related Persons: Lippisch. German expert in tailless aircraft during World War II. Worked in America at Wright Field after the war..