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PSLV-4
ISRO N2O4/MMH rocket stage. Used on PSLV launch vehicle. First flight 1993.

AKA: Polar Satellite Launch Vehicle. Status: Active. Thrust: 14.00 kN (3,148 lbf). Gross mass: 2,920 kg (6,430 lb). Unfuelled mass: 920 kg (2,020 lb). Specific impulse: 308 s. Burn time: 425 s. Height: 2.60 m (8.50 ft). Diameter: 1.34 m (4.39 ft). Span: 2.02 m (6.62 ft).

Chamber Pressure: 8.40 bar. Area Ratio: 60. Thrust to Weight Ratio: 0. Coefficient of Thrust vacuum: 1.75.

No Engines: 2.



Family: Storable liquid. Country: India. Launch Vehicles: PSLV, PSLV C. Propellants: N2O4/MMH. Stages: PSLV-4. Agency: ISRO.

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