Questions tagged [rd-19x]

One quarter of an RD-170 engine, used by Angara booster, built by NPO Energomash. Burns LOX/Kerosene.

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For how long will the Soyuz 2.1v launcher use the old NK33 engines?

I understand that the Soyuz 2.1v launcher will switch from using the NK33 engine to the new RD-193 when stocks of the former are finished. Does anyone know how many launches, beyond the two so far, ...
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Would two RD-190's be better or worse than a single RD-180?

With all the talk of re-engining Antares, many possibilities arise. Solids, new liquid engine, existing Russian engines (RD-180, RD-190), etc. Focussing on the RD-1xx family though, an RD-180 is a ...