"During 2017, we plan the delivery of 11 RD-180 engines [for Atlas rockets] to United Launch Alliance (ULA) and eight RD-181 motors [for US carrier rockets Antares] to Orbital ATK," Arbuzov said.

Russia has transferred another batch of three RD-180 engines to the United States for their use on US Atlas launch vehicles MOSCOW, December 10. /TASS/. Russia’s Energomash Research and ...

Shortly thereafter, work began on a new engine, the RD-180. It would be twice as big as the NK-33, with five times the thrust of a jumbo jet. The RD-180 was not a slam dunk design, however.

The payload fairing will be jettisoned just after three minutes of flight, and the RD-180 engines, using RP-1 highly purified kerosene and liquid oxygen as propellants, will continue burning until ...