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15D339
15D339
15D339
Credit: Yuzhnoye
Yuzhnoye. Tsurilnikov solid rocket engine. RT-23 stage II. Out of Production. The case-bound START composite solid propellant charge had a cylindrical-conical umbrella shape channel. The case was of organic fiber-wound plastic material.

Status: Out of Production. Date: 1976-85. Number: 20 . Thrust: 1,470.00 kN (330,460 lbf). Gross mass: 25,000 kg (55,000 lb). Height: 5.90 m (19.30 ft). Diameter: 2.40 m (7.80 ft).

The gimbaled engine nozzle partially intruded into the combustion chamber and had a nozzle extension for improved performance. Versions of the motor seem to have been manufactured by both Tsurilnikov in Russia and Yuzhnoye in the Ukraine. Length with the nozzle extended was 6.7 m.

Country: Russia. Launch Vehicles: RT-23, RT-23 15Zh44, RT-23U 15Zh60, RT-23 15Zh52, RT-23U 15Zh61. Propellants: Solid. Stages: 15D339. Agency: Yuzhnoye, Tsurilnikov. Bibliography: 4477.
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