Encyclopedia Astronautica
X-254


Thiokol solid rocket engine. 60.5 kN. Isp=256s. Used on Blue Scout 1, Blue Scout 2, Blue Scout Junior, Scout X-1. First flight 1960.

Thrust (sl): 55.100 kN (12,387 lbf). Thrust (sl): 5,615 kgf.

AKA: Antares 1A; X-254.
Gross mass: 1,225 kg (2,700 lb).
Unfuelled mass: 294 kg (648 lb).
Height: 3.38 m (11.08 ft).
Diameter: 0.78 m (2.55 ft).
Thrust: 60.50 kN (13,601 lbf).
Specific impulse: 256 s.
Specific impulse sea level: 233 s.
Burn time: 39 s.
Number: 45 .

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Associated Countries
See also
Associated Launch Vehicles
  • Scout X-1 American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 1B + 1 x Castor + 1 x Antares + 1 x Altair More...
  • Blue Scout Junior American suborbital launch vehicle. Smaller Air Force version of Scout used for suborbital military tests. More...
  • Blue Scout 1 American suborbital launch vehicle. Air Force version of Scout used for suborbital tests. More...
  • Blue Scout 2 American all-solid orbital launch vehicle. Air Force version of Scout used for suborbital and orbital military tests. More...

Associated Manufacturers and Agencies
  • Thiokol American manufacturer of rocket engines and rockets. Thiokol Corporation, Ogden, UT, USA. More...

Associated Propellants
  • Solid Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. More...

Associated Stages
  • Antares 1A Solid propellant rocket stage. Loaded/empty mass 1,225/294 kg. Thrust 60.50 kN. Vacuum specific impulse 256 seconds. More...

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