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Oberth sounding rocket

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Frau im Mond

AKA: Oberth. Status: Cancelled 1929. Height: 1.80 m (5.90 ft).

As part of publicity for the film Frau im Mond, director Fritz Lang retained rocket pioneer Hermann Oberth as technical consultant. Lang provided Oberth with funds to build and launch a liquid-propellant rocket to publicize the film. Oberth's rocket, using a conical combustion chamber to mix liquid oxygen and gasoline, was 1.8 m tall and was to have been launched to an altitude of 64 km over the Baltic Sea from Greifswalder Oie. One of the assistants hired by Oberth to fabricate the rocket was Rudolph Nebel, a World War I fighter pilot with (unfortunately) little actual engineering experience. Oberth also had no practical engineering or organizational ability, and was unable to produce the liquid rocket in the four months allotted. He then turned to an 11-m tall hybrid rocket that was to burn a to-be-determined carbon compound with liquid oxygen. This also proved impossible, and Oberth simply gave up and left town - returning, however, for the film's premiere on 15 October 1929. Ufa studios took ownership of the unfinished rockets.

The work was not in vain, however. The Berlin rocket enthusiasts decided to try and get the Oberth rocket materials back from Ufa and press on to demonstrate flight of a liquid propellant rocket. For this purpose the Oberth rocket was much too ambitious and probably wouldn't work anyway. Nebel proposed building a new 'Minimum Rakete' or 'Mirak' to demonstrate that it could be done. Work begins to obtain funds to ground test and perfect Oberth's 'Kegelduese' conical rocket motor. This eventually would power the Mirak to a series of rocket tests in 1931-1933.

• Frau im Mond (The Girl in the Moon) premieres in Berlin. - . Nation: Germany. Related Persons: Nebel, Oberth.

  The film, directed by Fritz Lang, with Hermann Oberth as technical consultant, provided a realistic portrayal of the rollout and launch of a liquid-propellant booster sending a manned expedition to the moon. Lang provided Oberth with funds to build and launch a liquid-propellant rocket to publicise the film. Oberth's rocket, using a conical combustion chamber to mix liquid oxygen and gasoline, was 1.8 m tall and was to have been launched to an altitude of 64 km over the Baltic Sea from Greifswalder Oie. One of the assistants hired by Oberth to fabricate the rocket was Rudolph Nebel, a World War I fighter pilot with (unfortunately) little actual engineering experience. Oberth also had no practical engineering or organizational ability, and was unable to produce the liquid rocket in the four months allotted. He then turned to an 11-m tall hybrid rocket that was to burn a to-be-determined carbon compound with liquid oxygen. This also proved impossible, and Oberth simply gave up and left town - returning, however, for the film's premiere. Ufa studios took ownership of the unfinished rockets.