Encyclopedia Astronautica
X-24B



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X-24B
Credit: NASA
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X-24B
Credit: © Mark Wade
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Lifting Bodies
Lifting Bodies Comparative
Credit: © Mark Wade
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Lifting Bodies
Lifting Body comparison
Credit: © Mark Wade
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FDL Spaceplane
Credit: USAF
American manned spaceplane. 36 launches, 1973.08.01 to 1975.11.26 .

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).

Characteristics

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

Gross mass: 6,258 kg (13,796 lb).
Unfuelled mass: 3,778 kg (8,329 lb).
Height: 11.43 m (37.49 ft).
Span: 5.84 m (19.16 ft).
Thrust: 43.58 kN (9,797 lbf).
Specific impulse: 225 s.
First Launch: 1973.08.01.
Last Launch: 1975.11.26.
Number: 36 .

More... - Chronology...


Associated Countries
Associated Engines
  • XLR11 Reaction Motors, Thiokol Lox/Alcohol rocket engine. Out of Production. Launch thrust 26.67 kN. Rocket engine developed for X-1 in 1940s to break the sound barrier and used twenty years later to power experimental lifting bodies. Four combustion chambers. More...

See also
Associated Manufacturers and Agencies
  • Martin American manufacturer of rockets, spacecraft, and rocket engines. Martin Marietta Astronautics Group (1956), Denver, CO, USA. More...

Associated Propellants
  • Lox/Alcohol Liquid oxygen was the earliest, cheapest, safest, and eventually the preferred oxidiser for large space launchers. Its main drawback is that it is moderately cryogenic, and therefore not suitable for military uses where storage of the fuelled missile and quick launch are required. Alcohol (C2H5OH) was the fuel used for the German V-2 rocket, and the first derivative rocket engines in the United States, Soviet Union, and China used it as well. Better performance was achieved by increasing the alcohol concentration in the post-war engines. But after better-performance rocket-grade kerosene was developed by Rocketdyne in the REAP program of 1953, use of alcohol was abandoned. More...

Bibliography
  • Miller, Jay,, The X-Planes, Aerofax, Arlington, Texas, 1988.
  • Miller, Ron, The Dream Machines, Krieger, Malabar, Florida, 1993.
  • Zhelyez x-plane book,
  • Houchin II, Roy and Smith, Terry, "X-20 (7 articles)", Quest, 1994, Volume 3, Issue 4, page 4.
  • Peebles, Curtis, "The Origins of the US Space Shuttle - 1", Spaceflight, 1979, Volume 21, page 435.

X-24B Chronology


1973 August 1 - .
  • X-24 Flight 29 - . Crew: Manke. Payload: X-24B flight 1. Nation: USA. Related Persons: Manke. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: First glide flight. Maximum Speed - 740 kph. Maximum Altitude - 12190 m. Flight Time - 252 sec..

1973 August 17 - .
  • X-24 Flight 30 - . Crew: Manke. Payload: X-24B flight 2. Nation: USA. Related Persons: Manke. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 722 kph. Maximum Altitude - 13720 m. Flight Time - 267 sec..

1973 August 31 - .
  • X-24 Flight 31 - . Crew: Manke. Payload: X-24B flight 3. Nation: USA. Related Persons: Manke. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 771 kph. Maximum Altitude - 13720 m. Flight Time - 277 sec..

1973 September 18 - .
  • X-24 Flight 32 - . Crew: Manke. Payload: X-24B flight 4. Nation: USA. Related Persons: Manke. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 724 kph. Maximum Altitude - 13720 m. Flight Time - 271 sec..

1973 October 4 - .
  • X-24 Flight 33 - . Crew: Love, Michael. Payload: X-24B flight 5. Nation: USA. Related Persons: Love, Michael. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 732 kph. Maximum Altitude - 13720 m. Flight Time - 279 sec..

1973 November 15 - .
  • X-24 Flight 34 - . Crew: Manke. Payload: X-24B flight 6. Nation: USA. Related Persons: Manke. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: First power flight. Maximum Speed - 961 kph. Maximum Altitude - 16080 m. Flight Time - 404 sec..

1973 December 12 - .
  • X-24 Flight 35 - . Crew: Manke. Payload: X-24B flight 7. Nation: USA. Related Persons: Manke. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1038 kph. Maximum Altitude - 19080 m. Flight Time - 434 sec..

1974 February 15 - .
  • X-24 Flight 36 - . Crew: Love, Michael. Payload: X-24B flight 8. Nation: USA. Related Persons: Love, Michael. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 724 kph. Maximum Altitude - 13720 m. Flight Time - 307 sec..

1974 March 5 - .
  • X-24 Flight 37 - . Crew: Manke. Payload: X-24B flight 9. Nation: USA. Related Persons: Manke. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: First supersonic flight. Maximum Speed - 1139 kph. Maximum Altitude - 18390 m. Flight Time - 437 sec..

1974 April 30 - .
  • X-24 Flight 38 - . Crew: Love, Michael. Payload: X-24B flight 10. Nation: USA. Related Persons: Love, Michael. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 930 kph. Maximum Altitude - 15860 m. Flight Time - 419 sec..

1974 May 24 - .
  • X-24 Flight 39 - . Crew: Manke. Payload: X-24B flight 11. Nation: USA. Related Persons: Manke. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1212 kph. Maximum Altitude - 17060 m. Flight Time - 448 sec..

1974 June 14 - .
  • X-24 Flight 40 - . Crew: Love, Michael. Payload: X-24B flight 12. Nation: USA. Related Persons: Love, Michael. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1303 kph. Maximum Altitude - 19970 m. Flight Time - 405 sec..

1974 June 28 - .
  • X-24 Flight 41 - . Crew: Manke. Payload: X-24B flight 13. Nation: USA. Related Persons: Manke. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1480 kph. Maximum Altitude - 20770 m. Flight Time - 427 sec..

1974 August 8 - .
  • X-24 Flight 42 - . Crew: Love, Michael. Payload: X-24B flight 14. Nation: USA. Related Persons: Love, Michael. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1644 kph. Maximum Altitude - 22370 m. Flight Time - 395 sec..

1974 August 29 - .
  • X-24 Flight 43 - . Crew: Manke. Payload: X-24B flight 15. Nation: USA. Related Persons: Manke. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1170 kph. Maximum Altitude - 22080 m. Flight Time - 467 sec..

1974 October 25 - .
  • X-24 Flight 44 - . Crew: Love, Michael. Payload: X-24B flight 16. Nation: USA. Related Persons: Love, Michael. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Max. speed flight. Maximum Speed - 1873 kph. Maximum Altitude - 21990 m. Flight Time - 417 sec..

1974 November 15 - .
  • X-24 Flight 45 - . Crew: Manke. Payload: X-24B flight 17. Nation: USA. Related Persons: Manke. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1722 kph. Maximum Altitude - 21960 m. Flight Time - 481 sec..

1974 December 17 - .
  • X-24 Flight 46 - . Crew: Love, Michael. Payload: X-24B flight 18. Nation: USA. Related Persons: Love, Michael. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1667 kph. Maximum Altitude - 20960 m. Flight Time - 420 sec..

1975 January 14 - .
  • X-24 Flight 47 - . Crew: Manke. Payload: X-24B flight 19. Nation: USA. Related Persons: Manke. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1862 kph. Maximum Altitude - 22180 m. Flight Time - 477 sec..

1975 March 20 - .
  • X-24 Flight 48 - . Crew: Love, Michael. Payload: X-24B flight 20. Nation: USA. Related Persons: Love, Michael. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1537 kph. Maximum Altitude - 21450 m. Flight Time - 409 sec..

1975 April 18 - .
  • X-24 Flight 49 - . Crew: Manke. Payload: X-24B flight 21. Nation: USA. Related Persons: Manke. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1279 kph. Maximum Altitude - 17650 m. Flight Time - 450 sec..

1975 May 6 - .
  • X-24 Flight 50 - . Crew: Love, Michael. Payload: X-24B flight 22. Nation: USA. Related Persons: Love, Michael. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1541 kph. Maximum Altitude - 22370 m. Flight Time - 448 sec..

1975 May 22 - .
  • X-24 Flight 51 - . Crew: Manke. Payload: X-24B flight 23. Nation: USA. Related Persons: Manke. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Max. altitude. Maximum Speed - 1744 kph. Maximum Altitude - 22370 m. Flight Time - 461 sec..

1975 June 6 - .
  • X-24 Flight 52 - . Crew: Love, Michael. Payload: X-24B flight 24. Nation: USA. Related Persons: Love, Michael. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1786 kph. Maximum Altitude - 21980 m. Flight Time - 474 sec..

1975 June 25 - .
  • X-24 Flight 53 - . Crew: Manke. Payload: X-24B flight 25. Nation: USA. Related Persons: Manke. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1427 kph. Maximum Altitude - 17680 m. Flight Time - 426 sec..

1975 July 15 - .
  • X-24 Flight 54 - . Crew: Love, Michael. Payload: X-24B flight 26. Nation: USA. Related Persons: Love, Michael. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1685 kph. Maximum Altitude - 21180 m. Flight Time - 415 sec..

1975 August 5 - .
  • X-24 Flight 55 - . Crew: Manke. Payload: X-24B flight 27. Nation: USA. Related Persons: Manke. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1381 kph. Maximum Altitude - 18290 m. Flight Time - 420 sec..

1975 August 20 - .
  • X-24 Flight 56 - . Crew: Love, Michael. Payload: X-24B flight 28. Nation: USA. Related Persons: Love, Michael. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1625 kph. Maximum Altitude - 21950 m. Flight Time - 420 sec..

1975 September 9 - .
  • X-24 Flight 57 - . Crew: Dana. Payload: X-24B flight 29. Nation: USA. Related Persons: Dana. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 1593 kph. Maximum Altitude - 21640 m. Flight Time - 435 sec..

1975 September 23 - .
  • X-24 Flight 58 - . Crew: Dana. Payload: X-24B flight 30. Nation: USA. Related Persons: Dana. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Last rocket-powered flight. Maximum Speed - 1255 kph. Maximum Altitude - 17680 m. Flight Time - 438 sec..

1975 October 9 - .
  • X-24 Flight 59 - . Crew: Enevoldson. Payload: X-24B flight 31. Nation: USA. Related Persons: Enevoldson. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 724 kph. Maximum Altitude - 13720 m. Flight Time - 251 sec..

1975 October 21 - .
  • X-24 Flight 60 - . Crew: Scobee. Payload: X-24B flight 32. Nation: USA. Related Persons: Scobee. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 743 kph. Maximum Altitude - 13720 m. Flight Time - 255 sec..

1975 November 3 - .
  • X-24 Flight 61 - . Crew: McMurtry. Payload: X-24B flight 33. Nation: USA. Related Persons: McMurtry. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 734 kph. Maximum Altitude - 13720 m. Flight Time - 248 sec..

1975 November 12 - .
  • X-24 Flight 62 - . Crew: Enevoldson. Payload: X-24B flight 34. Nation: USA. Related Persons: Enevoldson. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 734 kph. Maximum Altitude - 13720 m. Flight Time - 241 sec..

1975 November 19 - .
  • X-24 Flight 63 - . Crew: Scobee. Payload: X-24B flight 35. Nation: USA. Related Persons: Scobee. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 740 kph. Maximum Altitude - 13720 m. Flight Time - 249 sec..

1975 November 26 - .
  • X-24 Flight 64 - . Crew: McMurtry. Payload: X-24B flight 36. Nation: USA. Related Persons: McMurtry. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24B. Summary: Maximum Speed - 740 kph. Maximum Altitude - 13720 m. Flight Time - 245 sec..

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