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X-24B
Part of X-24

X-24B

X-24B
Credit: NASA

American manned spaceplane. 36 launches, 1973.08.01 to 1975.11.26 .

Status: Operational 1973. Thrust: 43.58 kN (9,797 lbf). Gross mass: 6,258 kg (13,796 lb). Unfuelled mass: 3,778 kg (8,329 lb). Specific impulse: 225 s. Height: 11.43 m (37.49 ft). Span: 5.84 m (19.16 ft).

The X-24B was used by the US Air Force to explore the supersonic and subsonic handling characteristics of the FDL-7 and FDL-8 hypersonic configurations which promised to double the hypersonic L/D ratio of the original X-24A. It was air dropped from the NB-52 carrier aircraft and reached Mach 1.76 and 22,400 m altitude during its test program. By the time the test series had started the USAF had been forced to accept the NASA space shuttle for its future manned space ambitions and had dropped plans for a Titan-launched manned spaceplane.

The configuration was also applicable to air-breathing hypersonic aircraft. NASA and USAF proposed an X-24C, which would have been two new-build vehicles. These would have the XLR-99 engine from the X-15 and take the configuration out to Mach 8 and conducted scramjet tests in 200 flights. This follow-on project was cancelled for lack of funds (or replaced by a black project with Lockheed).

Spacecraft delta v: 1,300 m/s (4,200 ft/sec). Battery: 194.00 Ah.



Family: Spaceplane, Suborbital, US Rocketplanes. Country: USA. Engines: XLR11. Propellants: Lox/Alcohol. Agency: Martin. Bibliography: 152, 158, 48, 49, 97, 7033.
Photo Gallery

X-24BX-24B
Credit: © Mark Wade


Lifting BodiesLifting Bodies
Lifting Body comparison
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Lifting BodiesLifting Bodies
Lifting Bodies Comparative
Credit: © Mark Wade


FDL SpaceplaneFDL Spaceplane
Credit: USAF



1973 August 1 - .
1973 August 17 - .
1973 August 31 - .
1973 September 18 - .
1973 October 4 - .
1973 November 15 - .
1973 December 12 - .
1974 February 15 - .
1974 March 5 - .
1974 April 30 - .
1974 May 24 - .
1974 June 14 - .
1974 June 28 - .
1974 August 8 - .
1974 August 29 - .
1974 October 25 - .
1974 November 15 - .
1974 December 17 - .
1975 January 14 - .
1975 March 20 - .
1975 April 18 - .
1975 May 6 - .
1975 May 22 - .
1975 June 6 - .
1975 June 25 - .
1975 July 15 - .
1975 August 5 - .
1975 August 20 - .
1975 September 9 - .
1975 September 23 - .
1975 October 9 - .
1975 October 21 - .
1975 November 3 - .
1975 November 12 - .
1975 November 19 - .
1975 November 26 - .

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