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Beta IV
Part of Beta Family
German SSTO VTOVL orbital launch vehicle. Beta II was Dietrich Koelle's largest SSTO concept, with a nominal 2000 metric ton lift-off mass SSTO design and 100 metric ton payload.

AKA: Ballistisches Einstufiges Traeger-Aggregat IV;Ballistisches Enistufiges Traeger-Aggregat IV. Status: Study 1987. Payload: 100,000 kg (220,000 lb). Thrust: 27,500.00 kN (6,182,200 lbf). Gross mass: 2,000,000 kg (4,400,000 lb). Apogee: 90 km (55 mi).

In 1986 he updated the design. Use of a more sophisticated trajectory analysis indicated a lower total velocity to reach orbit - a 15 metric ton payload could be delivered using a 460 metric ton vehicle. Subsequent revisions included the Beta IIrev in (12 metric tons payload, 600 metric ton lift-off mass) and Beta IIa in 1993 (18 metric tons payload at same 600 metric ton lift-off mass).

LEO Payload: 100,000 kg (220,000 lb) to a 90 km orbit at 6.00 degrees.



Family: orbital launch vehicle, SSTO. Country: Germany. Agency: MBB.

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