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RD-270 (Russian: Ракетный Двигатель-270, romanized: Raketnyy Dvigatel-270, lit. 'Rocket Engine 270', GRAU index : 8D420 ) was a single-chamber liquid-fuel rocket engine designed by Energomash ( USSR ) in 1960–1970.
Engine Origin Designer Vehicle Use Propellant Power cycle Specific impulse (s) [a] Thrust (N) [a] Chamber pressure (bar) Mass (kg) ... RD-270 [i] 8Д420
As of 2024, four full-flow staged combustion rocket engines have been tested on test stands; the Soviet storable propellant RD-270 project at Energomash in the 1960s, the US government-funded hydrolox Integrated Powerhead Demonstrator project at Aerojet Rocketdyne in the mid-2000s, [7] SpaceX's flight capable methalox Raptor engine first test ...
The modification RD-275 (14D14) appeared as the result of development in 1987–1993, with the purpose to achieve a more powerful version of the engine. Its 7.7% higher thrust was reached by raising pressure in the combustion chamber and enabled an increase of payload mass to geostationary orbit (GEO) up to more than 6,000 kg (13,000 lb).
The full flow staged combustion cycle RD-270 was in testing before program cancellation, achieving a higher specific impulse than the gas-generator cycle Rocketdyne F-1 despite the use of UDMH/N 2 O 4 propellants with lower potential impulse. The F-1 engine was five years into its development at the time and still experiencing combustion ...
The roots of the RD-180 rocket engine extend to the Soviet Energia launch vehicle. The RD-170, a four-chamber engine, was developed for use in the strap-on boosters for this vehicle, which ultimately launched the Buran orbiter. This engine was scaled down to a two-chamber version by combining the RD-170's combustion devices with half-size ...
The RD-170 (Russian: Ракетный Двигатель-170 (РД-170), romanized: Raketnyy Dvigatel-170, lit. 'Rocket Engine-170') is the world's most powerful and heaviest liquid-fuel rocket engine.
Also, Glushko's design bureau consistently failed at building a rocket engine powered by LOX/Kerosene with a large combustion chamber to rival the American F-1 used on the Saturn V; instead, his solution was the RD-270, a single large combustion-chamber engine powered by hypergolic propellants which had almost the same thrust and better ...