Encyclopedia Astronautica
15D23P


Solid rocket stage. 980.00 kN (220,313 lbf) thrust. Mass 34,550 kg (76,170 lb).

Status: Retired 1974.
Gross mass: 34,550 kg (76,160 lb).
Unfuelled mass: 3,750 kg (8,260 lb).
Height: 9.20 m (30.10 ft).
Diameter: 1.84 m (6.03 ft).
Thrust: 980.00 kN (220,310 lbf).
Burn time: 75 s.
Number: 4 .

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Associated Countries
Associated Engines
  • 15D23P TsKB-7 solid rocket engine. 980 kN. RT-2P Stage 1. Out of Production. Three gimballed nozzles for steering. Ammonium perchlorate/ammonium butyl propellant. Chamber pressure 56 kgf/cm2. More...

Associated Launch Vehicles
  • RT-2P Russian intercontinental ballistic missile. Development of the improved RT-2P version of the basic missile was authorised by decree 1004-365 of 18 December 1968. The overriding concern was imminent deployment by the Americans of the Safeguard anti-ballistic missile system, and the need for the missile to have the necessary countermeasures to defeat those defences. More...
  • RT-2M Russian intercontinental ballistic missile. The RT-2M was a modernised RT-2, developed under Savodskiy at Korolev's bureau beginning in the late 1960's in parallel with the RT-2P and using alternate new engines. This increased both range and payload compared to the RT-20. However the RT-2P was selected for further development. More...

Associated Manufacturers and Agencies
  • Arsenal Russian manufacturer of rockets, spacecraft, and rocket engines. Arsenal Design Bureau, Saint Petersburg, Russia. More...

Associated Propellants
  • Solid Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. More...

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