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Shuttle LCR
Part of Shuttle
American winged orbital launch vehicle. McDonnell-Douglas/Martin Marietta shuttle low cross-range proposal phase B of December 1970. Swept-wing booster, Faget straight wing orbiter.

Status: Study 1969. Thrust: 23,994.00 kN (5,394,065 lbf). Gross mass: 1,834,830 kg (4,045,100 lb). Height: 90.00 m (295.00 ft). Diameter: 10.00 m (32.00 ft).

The McDonnell Douglas/Martin Marietta Phase B shuttle proposal was designed under Contract NAS9-100959. The team proposed that the originally requested 6,800 kg payload would be achieved in the prototype, with the revised 11,500 kg payload to be obtained by making changes to lighten the orbiter as a result of development findings.

The low cross range orbiter was 113.8' WS x 147.6' x 21', a Faget configuration with a dry empty mass of 85,500 kg, equipped with 2 x 188,000 kgf engines and 4 x 8,200 kgf turbofan air-breathing engines. It had a cross range of only 370 km (less than an Apollo capsule) and a landing speed of 330 kph. The structure was built of titanium, with a columbium thermal protection system and carbon-carbon leading edge panels.

The booster for both versions was the low cross range configuration design used by the same contractors in Phase A. This had a high wing to the rear, and canards forward. The empty weight of the low cross range version was 205,353 kg. The10-m body diameter was intended to allow use of existing Saturn V tooling to fabricate the propellant tanks. The high cross range booster was slightly larger and heavier to accommodate the heavier high cross-range orbiter.

A number of expendable upper stages were considered that could replace the manned orbiter for cargo missions. These included:

The team also examined the costs to establish launch facilities. A Kennedy Space Center shuttle launch facility, taking advantage of existing Saturn V and Apollo infrastructure, would cost $ 87 million and take five years to build. One at Vandenberg AFB would cost $ 285 million, and one at White Sands would cost $ 317 million and take seven years to build.

Stage Data - Shuttle LCR

Family: orbital launch vehicle, Winged. Country: USA. Engines: SSME Study. Stages: Shuttle LCR-1, Shuttle LCR-2. Agency: Martin, Douglas.

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