Encyclopedia Astronautica
X-259


Thiokol solid rocket engine. 93.1 kN. Isp=293s. Used on Scout A, Scout B, Scout D, Scout F, Scout X-2, Scout X-3, Scout X-4. First flight 1962.

Thrust (sl): 74.000 kN (16,635 lbf). Thrust (sl): 7,549 kgf.

AKA: Antares 2; X-259.
Gross mass: 1,400 kg (3,000 lb).
Unfuelled mass: 300 kg (660 lb).
Height: 2.90 m (9.50 ft).
Diameter: 0.78 m (2.55 ft).
Thrust: 93.10 kN (20,930 lbf).
Specific impulse: 293 s.
Specific impulse sea level: 233 s.
Burn time: 36 s.
Number: 92 .

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Associated Countries
See also
Associated Launch Vehicles
  • 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...
  • Scout X-4 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 2 More...
  • Scout B American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 2B + 1 x Castor 2 + 1 x Antares 2 + 1 x FW4S More...
  • Scout A American all-solid orbital launch vehicle. All-solid low cost lightweight launch vehicle. More...
  • Scout F American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 3A + 1 x Castor 2 + 1 x Antares 2B + 1 x Star 20 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 2 Solid propellant rocket stage. Loaded/empty mass 1,400/300 kg. Thrust 93.09 kN. Vacuum specific impulse 293 seconds. More...

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