RD-180
Glavkosmos
The RD-180 is a liquid rocket engine with afterburning of oxidizing gas, designed for the first stage of the Atlas launch vehicle family, using oxygen and kerosene as propellants.
Key figurescomparable across the catalogue
- Mass
- 5,480 kg
- Largest dimension
- 3,600 mm
- Thrust
- 390 N
- Specific impulse
- 311 s
- Design life
- 10 years
- Lead time
- 18 months
Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.
As published by the supplier
- Purpose
- Engines for the first stage of the Atlas launch vehicle family.
- Year of release
- 1999
- Design life
- 10 years
- Lead time
- 18 months
- Flight qualification of the product
- Yes
- Brief history of flight qualification
- Completed 6 launches of LV "Atlas 3" and 80 launches of LV "Atlas 5" (01.09.2019).
- Possibility to adapt the product to customer requirements
- Yes
- Thrust, earth / void
- 390/423 tf
- Specific impulse, earth / void
- 311 / 339 s
- Pressure in the combustion chamber
- 261.7 kgf / cm2
- Weight, dry / dipped
- 5480/5950 kg
- Dimensions height / diameter
- 3600 / 3200 mm
- Development period
- 1994-1999
- Thrust vector control by swinging cameras in the same plane
- 8 o
- Thrust range
- 100-47 %
About
The RD-180 is a liquid rocket engine with afterburning of oxidizing gas, developed between 1994 and 1999 and released in 1999. It is designed to power the first stage of the Atlas launch vehicle family, specifically for the American company ULA. The engine uses oxygen and kerosene as propellants. It features thrust vector control by swinging cameras in the same plane, with an 8-degree range, and a thrust range from 100% down to 47%. The RD-180 has undergone extensive testing, with over 260 tests conducted and a total operating time exceeding 50,000 seconds. It has a guaranteed service life of 10 years and an estimated production/delivery time of 18 months. The engine is flight qualified, having completed 6 launches of the Atlas 3 LV and 80 launches of the Atlas 5 LV as of September 1, 2019. Its operating time in 86 flights exceeded 20,000 seconds by the same date. The product is certified for 10 modifications of the Atlas launch vehicle and can be adapted to customer requirements.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.