RD-171 M
- Purpose: Engines for the first stage of the Zenit launch vehicle.
- Year of release: 2004
- Guaranteed service life (years): 8 renewable
- Estimated production / delivery time (months): 22
- Flight qualification of the product: Yes
- Brief history of flight qualification: 30 launches since 2006 г. (01.09.2019).
- Possibility to adapt the product to customer requirements: Yes
| Parameter | Value |
|---|---|
| Thrust, earth / void, tf | 740 / 806 |
| Specific impulse, earth / void, s | 309 / 337 |
| Pressure in the combustion chamber, kgf / cm2 | 250 |
| Weight, dry / dipped, kg | 9300 / 10300 |
| Dimensions height / diameter, mm | 4150 / 3565 |
| Development period | 1992-1996 2003-2004 |
| Thrust vector control by swinging cameras in the same plane, o | 6 |
| Thrust range,% | 105-49 |
Liquid rocket engine with afterburning of oxidizing gas.
Fuel: oxygen + kerosene.
The most powerful liquid rocket engine in the world.
More than 1000 fire tests were carried out with a total operating time of more than 110,000 s. During fire tests, engine performance was demonstrated in a wide range of thrust modes from 105 to 49%.
Remark
The most powerful rocket engines in the world. Several copies of the engine were tested without removal from the stand 25 times.
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