Encyclopedia Astronautica
X-248A


Thiokol solid rocket engine. 13.8 kN. Isp=255s. Used on Scout X-1, Scout X-2, Scout X-3. First flight 1960.

Thrust (sl): 12.500 kN (2,810 lbf). Thrust (sl): 1,279 kgf.

AKA: Altair 1A; X-248A.
Gross mass: 390 kg (850 lb).
Unfuelled mass: 181 kg (399 lb).
Height: 2.50 m (8.20 ft).
Diameter: 0.46 m (1.50 ft).
Thrust: 13.80 kN (3,102 lbf).
Specific impulse: 255 s.
Specific impulse sea level: 232 s.
Burn time: 40 s.
Number: 24 .

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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...
  • Scout X-2 American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 1D + 1 x Castor + 1 x Antares 2 + 1 x Altair More...
  • Scout X-3 American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 2A + 1 x Castor + 1 x Antares 2 + 1 x Altair 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
  • Altair 1A Solid propellant rocket stage. Loaded/empty mass 390/181 kg. Thrust 13.79 kN. Vacuum specific impulse 255 seconds. More...

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