Encyclopedia Astronautica
HJ Nike Nike 20-inch SM-4


Solid rocket stage. 30.00 kN (6,744 lbf) thrust. Mass 100 kg (220 lb).

AKA: Cygnus 20.
Status: Retired 1959.
Gross mass: 100 kg (220 lb).
Unfuelled mass: 10 kg (22 lb).
Height: 0.70 m (2.29 ft).
Diameter: 0.51 m (1.67 ft).
Thrust: 30.00 kN (6,744 lbf).
Burn time: 8.50 s.
Number: 1 .

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Associated Countries
Associated Engines
Associated Launch Vehicles
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...

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