Encyclopedia Astronautica
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CZ-3A-1
Part of CZ-2-1 stage series Family
N2O4/UDMH propellant rocket stage. .

AKA: L-180. Status: Development ended 1997. Thrust: 3,265.14 kN (734,033 lbf). Gross mass: 179,000 kg (394,000 lb). Unfuelled mass: 9,000 kg (19,800 lb). Specific impulse: 289 s. Specific impulse sea level: 259 s. Burn time: 155 s. Height: 23.08 m (75.72 ft). Diameter: 3.35 m (10.99 ft). Span: 7.00 m (22.90 ft).

Cost $ : 6.000 million. No Engines: 4.

Country: China. Engines: YF-20B. Launch Vehicles: Chang Zheng 3A, Chang Zheng 3B, Chang Zheng 3C. Propellants: N2O4/UDMH.



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