15D305

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15D305

15D305
Credit: Yuzhnoye

Yuzhnoye, Tsurilnikov solid rocket engine. RT-23 stage I. Out of Production. Case-bound OPAL composite solid propellant charge with a star shape channel. The case was of organic fiber-wound plastic material. R-39 first stage.

AKA: R-39-1. Status: Out of Production. Date: 1976-85. Thrust: 3,040.00 kN (683,410 lbf). Height: 8.40 m (27.50 ft). Diameter: 2.40 m (7.80 ft).

The gimbaled engine nozzle partially intruded into the combustion chamber. Steering was accomplished moving the nozzle, mounted on a circular elastic hinge, in pitch and roll. Versions of the motor seem to have been manufactured by both Tsurilnikov in Russia and Yuzhnoye in the Ukraine.

Thrust (sl): 280,000 kgf.

Country: Russia. Launch Vehicles: Rif, RT-23, RT-23 15Zh44, RT-23U 15Zh60, RT-23 15Zh52, RT-23U 15Zh61, Grom. Propellants: Solid. Stages: 15D305. Agency: Yuzhnoye, Tsurilnikov. Bibliography: 4477.

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