Encyclopedia Astronautica
Algol 2


Solid propellant rocket stage. Loaded/empty mass 11,600/1,650 kg. Thrust 564.25 kN. Vacuum specific impulse 255 seconds.

Cost $ : 2.900 million.

Status: Study 1965.
Gross mass: 11,600 kg (25,500 lb).
Unfuelled mass: 1,650 kg (3,630 lb).
Height: 9.09 m (29.82 ft).
Diameter: 1.01 m (3.31 ft).
Span: 1.01 m (3.31 ft).
Thrust: 564.25 kN (126,847 lbf).
Specific impulse: 255 s.
Specific impulse sea level: 232 s.
Burn time: 47 s.
Number: 50 .

More... - Chronology...


Associated Countries
Associated Engines
  • Algol 2 CSD solid rocket engine. 564.2 kN. Isp=255s. Used on Scout A, Scout B, Scout X-3, Scout X-4; proposed as strap-on for Titan 3BAS2. First flight 1962. More...

Associated Launch Vehicles
  • Titan 3BAS2 American orbital launch vehicle. Configuration of Titan 3B proposed by Martin in mid-1960's. Titan 3B for deep space missions with Centaur upper stage, Algol strapons for liftoff thrust augmentation. Never flown. More...
  • Scout X-3A American all-solid orbital launch vehicle. Five stage vehicle consisting of 1 x Algol 2A + 1 x Castor + 1 x Antares 2 + 1 x Altair + 1 x Cetus 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-3M American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 2A + 1 x Castor + 1 x Antares 2 + 1 x MG-18 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 X-4A American all-solid orbital launch vehicle. Five stage vehicle consisting of 1 x Algol 2A + 1 x Castor + 1 x Antares 2 + 1 x Altair 2 + 1 x Cetus More...
  • Scout X-3C American all-solid orbital launch vehicle. Three stage vehicle consisting of 1 x Algol 2A + 1 x Castor + 1 x Antares 2 More...
  • Scout A American all-solid orbital launch vehicle. All-solid low cost lightweight launch vehicle. More...
  • Scout B 2A American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 2A + 1 x Castor 2 + 1 x Antares 2 + 1 x FW4S More...
  • Scout B-1 American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 2C + 1 x Castor 2 + 1 x Antares 2 + 1 x Star 20 More...
  • Scout A-1 American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 2C + 1 x Castor 2 + 1 x Antares 2 + 1 x Altair 2 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...

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