Engines for the first stage of the advanced Antares launch vehicle.
Year of release: 2015
Guaranteed service life (years): 11
Estimated production / delivery time (months): 14
Flight qualification of the product: Yes
Brief history of flight qualification:
6 launches (02.11.2019).
Possibility to adapt the product to customer requirements: Yes

Parameter Value
Thrust, earth / void, tf 196/212
Specific impulse, earth / void, s 311 / 339
Pressure in the combustion chamber, kgf / cm2 262.6
Weight, dry / dipped, kg 2200/2330
Dimensions height / diameter, mm 3680 / 2100
Development period 2014-2015
Thrust vector control (2 channels) due to camera swing in two planes, o 8
Thrust range,% 105-30


Liquid rocket engine with afterburning of oxidizing gas. Fuel: oxygen + kerosene.


The engine has the widest range of thrust regulation from 105-30%.

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