Engine Model: 15D339. Government Designation: 15D339. Designer: Yuzhnoye. Tsurilnikov. Developed in: 1976-85. Application: RT-23 stage II. Propellants: Solid. Diameter: 2.40 m (7.80 ft). Length: 5.90 m (19.30 ft). Country: Russia. Status: Out of Production. The case-bound START composite solid propellant charge had a cylindrical-conical umbrella shape channel. The case was of organic fibre-wound plastic material. 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.
15D339 used on Rocket Stages
- Used on stage: RT-1. on launch vehicle: RT-1.
- Used on stage: RT-1. on launch vehicle: RT-23.
- Used on stage: RT-1. on launch vehicle: Topol.
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