Encyclopedia Astronautica
Algol 3


Solid propellant rocket stage. Loaded/empty mass 14,320/1,600 kg. Thrust 471.91 kN. Vacuum specific impulse 284 seconds.

Cost $ : 2.900 million.

Status: Study 1993.
Gross mass: 14,320 kg (31,570 lb).
Unfuelled mass: 1,600 kg (3,500 lb).
Height: 9.40 m (30.80 ft).
Diameter: 1.14 m (3.74 ft).
Span: 1.14 m (3.74 ft).
Thrust: 471.91 kN (106,088 lbf).
Specific impulse: 284 s.
Specific impulse sea level: 238 s.
Burn time: 75 s.
Number: 44 .

More... - Chronology...


Associated Countries
Associated Engines
  • Algol 3 CSD solid rocket engine. 471.9 kN. Isp=284s. Used on Advanced Scout, Scout D, Scout F, Scout G. First flight 1972. More...

Associated Launch Vehicles
  • Scout D-1 American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 3A + 1 x Castor 2 + 1 x Antares 2 + 1 x Star 20 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...
  • 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...
  • Advanced Scout American all-solid orbital launch vehicle. Proposed upgrade of Scout proposed by the University of Rome with two strap-ons from the Ariane 4. Launch would have been from Italy's San Marco platform off Kenya. Further work cancelled in 1993. 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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