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RD-180
The RD-180 is a double version of the NPO-EM's RD-170, which powers the
Russian Zenit launch vehicle. The RD-180 has 70% parts commonality with
the RD-170. Changes include new turbopumps and boost pumps.
Engine statistics
| Specification |
|
| Applications |
Atlas IIAR |
| Propellants |
LOX/kerosene |
| Thrust in Vacuum |
933,000 lb |
| Thrust at Sea Level |
860,400 |
| Isp in vacuum(s) |
???? |
| Isp at sea level |
311 sec |
| Mixture Ratio |
2.6:1 |
| Weight |
11675 lb |
| Chamber Pressure |
3734 psia |
| Area Ratio |
36.4:1 |
| Engine Cycle |
???? |
| Pump Design Pressures |
???? |