Encyclopedia Astronautica
X-259A


Thiokol solid rocket engine. 80.8 kN. Out of production. Isp=295s. Used on Scout G launch vehicle. First flight 1979.

Chamber Pressure: 48.00 bar. Area Ratio: 59.

AKA: Antares 3A; X-259A.
Status: Out of production.
Gross mass: 1,637 kg (3,608 lb).
Unfuelled mass: 352 kg (776 lb).
Height: 3.51 m (11.51 ft).
Diameter: 0.76 m (2.49 ft).
Thrust: 80.80 kN (18,165 lbf).
Specific impulse: 295 s.
Burn time: 48 s.
Number: 17 .

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Associated Countries
See also
Associated Launch Vehicles
  • Scout G American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 3A + 1 x Castor 2 + 1 x Antares 3 + 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 3A Solid propellant rocket stage. Loaded/empty mass 1,637/352 kg. Thrust 80.80 kN. Vacuum specific impulse 295 seconds. More...

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