The RD-170 engine is a 4 chamber liquid kerosene/liquid oxygen rocket engine. It was designed during the 1970’s to power the strap-on boosters of the Energia launch vehicle.
The RD-170 was used for the Energia Launch Vehicle and its cancelled derivative, the Energia-M. The RD-170 is currently in use in the first stage of the Zenit Rocket with is used by Sea Launch.
NPO Energomash markets this engine now.
Mass: 8755 kg
Propellants: Kerosene/Liquid Oxygen.
ISP: 336 Vacuum
Thrust: 7903 KN.
Why build the RD-170?
Korolev’s OKB-1 were the developers of the N-1 Moon Rocket of the 1960’s. Korolev died in 1966 and Mishin was his successor. Unfortunately, the N-1 had 4 failures and in 1974, Glushko became his successor. Glushko decided to build his own kerosene/lox engines and did not want to use the N-1’s Nk-33 engines.
Instead Glushko developed the RD-170. This engine is more powerful than the F-1 main engine used in the Saturn 5 Stage 1.
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