1956 vB Cargo Ship
1956 Von Braun Cargo Ship
Credit: © Mark Wade
American manned Mars orbiter. Study 1956. Using the same basic systems as the Passenger Ship, the Cargo Ship would substitute a 177 metric ton Landing Boat for the surface expedition in place of the Passenger Sphere and propellant for the return home.
The Cargo Ships would be left behind in Mars orbit.
Spacecraft delta v: 5,600 m/s (18,300 ft/sec).
Gross mass: 1,700,000 kg (3,700,000 lb).
More... - Chronology...
Unfuelled mass: 454,500 kg (1,002,000 lb).
Payload: 177,000 kg (390,000 lb).
Height: 62.00 m (203.00 ft).
Diameter: 7.90 m (25.90 ft).
Thrust: 3,530.00 kN (793,570 lbf).
Specific impulse: 297 s.
Von Braun Mars Expedition - 1956 American manned Mars expedition. Study 1956. Von Braun's Mars expedition presented in the 1956 book he co-authored with Willy Ley, The Exploration of Mars, was vastly reduced in scope from the 1952 version. More...
Associated Manufacturers and Agencies
Von Braun American manufacturer of rockets and spacecraft. Von Braun, USA. More...
Nitric acid/Hydrazine Drawing on the German World War II Wasserfall rocket, nitric acid (HNO3) became the early storable oxidiser of choice for missiles and upper stages of the 1950's. To overcome various problems with its use, it was necessary to combine the nitric acid with N2O4 and passivation compounds. These formulae were considered extremely secret at the time. By the late 1950's it was apparent that N2O4 by itself was a better oxidiser. Therefore nitric acid was almost entirely replaced by pure N2O4 in storable liquid fuel rocket engines developed after 1960. Hydrazine (N2H4) found early use as a fuel, but it was quickly replaced by UDMH. It is still used as a monopropellant for satellite station-keeping motors. More...
Miller, Ron, The Dream Machines, Krieger, Malabar, Florida, 1993.
Portree, David S. F., Humans to Mars: Fifty Years of Mission Planning, 1950 - 2000, NASA Monographs in Aerospace History Series, Number 21, February 2001.
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