Rokot-3 Briz (original) (raw)

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Rokot-3 Briz

Part of Briz stage series

Briz M
Credit: Khrunichev

N2O4/UDMH propellant rocket stage. High performance storable liquid engine. The basic stage can be adapted with 'wrap-around' propellant tanks for Proton booster applications.

AKA: Briz K. Status: Active. Thrust: 19.60 kN (4,406 lbf). Gross mass: 6,565 kg (14,473 lb). Unfuelled mass: 1,600 kg (3,500 lb). Specific impulse: 326 s. Burn time: 1,000 s. Height: 1.30 m (4.20 ft). Diameter: 2.50 m (8.20 ft). Span: 2.50 m (8.20 ft).

Engine system consists of main engine plus four 11D458 plus twelve 17D58E vernier thrusters. Propellant load 3300 kg N2O4 + 1665 kg UDMH. Main engine: Capable of 8 restarts. Maximum burn time 1000 seconds; minimum time 1 second. Time between burns between 15 seconds and 5 hours. Vernier engines: 4 x 40 kgf. Specific impulse 275 sec. Minimum impulse 4 kg-s. Orientation engines: 12 x 1.3 kgf. Specific impulse 270 sec. Minimum impulse 0.068 kg-s. This, the basic version, had a total deliverable impulse of 2,000,000 kgf-s. Minimum impulse 2500 kg-s. Total summary impulse 14,112 kg-s.

Cost $ : 3.000 million.

Family: Space Tugs. Country: Russia. Engines: 17D58E, 11D458, RDMT-400, RDMT-12, S5.98M. Launch Vehicles: Rokot K. Propellants: N2O4/UDMH.

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