Rocket Nozzle, Liquid Fuel, One-Stick Repulsor

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    Rocket Nozzle, Liquid Fuel, One-Stick Repulsor

    Dome-shaped combustion chamber half (cut off) with adjoining exhaust nozzle; one solid piece; series of four grooves around upper part of exhaust nozzle, machined unevenly; gouge under rim but still exhibitable; unfired.

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This object is on display in the Rockets & Missiles at the Steven F. Udvar-Hazy Center in Chantilly, VA.

Rockets & Missiles

This is a nozzle from the One-Stick Repulsor rocket of the German Society for Space Travel (the Verein für Raumschiffahrt or VfR). Formed in 1927, the VfR began experimenting with crude liquid-propellant rockets in 1930. By spring 1931, society members tested their "two-stick" Repulsor rockets, named after the vehicles in a famous German science-fiction novel. ("Sticks" referred to the rocket's two outside tanks.) In August 1931, tests began on a simplified Repulsor IV model, also known as the One-Stick Repulsor.

Although this nozzle was never fired and was a reject, it represents likely the only surviving example of a VfR motor, since the Society disbanded in 1933 and all of its rocket artifacts were lost or destroyed. Herbert Schaefer, one of the members of the VfR rocket group, brought this nozzle with him when he emigrated to the U.S. in 1935. In 1978, he gave it to the Smithsonian.