This page no longer updated from 31 October 2001. Latest version can be found at SLS BC-2720

Lunex BC-2720 LV
Lunex BC-2720 LV - Lunex BC-2720 launch vehicle installed on the pad.

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Family: Miscellany. Country: USA. Status: Study 1961. Other Designations: Space Launch System BC-2720.

In 1961 the Air Force completed several years of studies for a family of advanced heavy-lift launch vehicles for use in the late 1960's and on. Development of solid and liquid rocket engines was already begun to support this effort. One member of this family, selected to boost the Air Force Lunex lunar lander on a direct lunar trajectory, was the BC-2720. This would have used four 180 inch solid rocket boosters strapped around an the 'C' Lox/LH2 core vehicle. The core would have required either 12 J-2 engines or 2 M-1 engines. The translunar injection third stage was the 'B', with a single J-2 engine.

NASA, not the Air Force, received the task of going to the moon and building large boosters. But the Saturn series was abandoned, while the BC-2720 resembles very much the Shuttle configuration. Perhaps if things had been different...


LEO Payload: 158,800 kg. to: 560 km Orbit. at: 28.0 degrees. Payload: 60,800 kg. to a: translunar trajectory. Liftoff Thrust: 3,000,000 kgf. Total Mass: 2,600,000 kg. Core Diameter: 7.6 m. Total Length: 93.0 m.

SLS BC-2720 Chronology

- 1961 -

Lunex Launch PadLunex Launch Pad - Lunex Launch Pad with BC-2720 vehicle in assembly. The Lunex upper stage package has been integrated with the 'B' stage and will be installed by crane on the C-2720 booster and core stage assembly already installed in the cliff-side pad.

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Lunex BC-2720 LVLunex BC-2720 LV - Lunex BC-2720 launch vehicle.

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Last update 12 March 2001.
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© Mark Wade, 2001 .