United States consider Russian rocket engine RD-180 to be the best rocket engine on the world, claim RosCosmos officials.
RD-180 is a two-chamber variant of four-chamber kerosene engine RD-170. The engine owes better specific characteristics, than American analogues have, to closed circuit with reburning of exhaust generator gas in main combustion chambers.
Read more: Russian Rocket Engine – Best in the World
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