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Cygnus 20
Part of Cygnus
Thiokol solid rocket engine. HJ Nike Nike 20-inch SM fourth stage.

AKA: HJ Nike Nike 20-inch SM-4. Status: Retired 1959. Thrust: 30.00 kN (6,744 lbf). Gross mass: 100 kg (220 lb). Unfuelled mass: 10 kg (22 lb). Burn time: 8.50 s. Height: 0.70 m (2.29 ft). Diameter: 0.51 m (1.67 ft).



Country: USA. Launch Vehicles: HJ Nike Nike 20"SM. Propellants: Solid. Stages: Cygnus 20. Agency: Thiokol.

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