Angara Stage 2

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Angara Stage 2

LOx/LH2 propellant rocket stage. Unique configuration with oxidizer in core and fuel in two tanks strapped on in parallel - all of rail-transportable 3.9 m diameter. Built by NPO Energia to Khrunichev design (their own design for Angara and Energia-M were rejected in favor of Khrunichev version). Masses estimated based on engine selected and vehicle performance. Assumed that engine is throttled back to maintain constant 3-G acceleration.

Status: Development 2004. Thrust: 1,960.00 kN (440,620 lbf). Gross mass: 75,000 kg (165,000 lb). Unfuelled mass: 9,000 kg (19,800 lb). Specific impulse: 455 s. Specific impulse sea level: 352 s. Burn time: 225 s. Height: 16.00 m (52.00 ft). Diameter: 3.90 m (12.70 ft). Span: 12.00 m (39.00 ft).

Country: Russia. Engines: RD-0120M. Propellants: Lox/LH2.

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