Engine Performance
RS-76 |
Propellant Combination
Oxidizer:
Fuel: |
Liquid
Oxygen (LOX)
Kerosene |
| Engine Cycle: |
Staged Combustion |
| Average Thrust: |
900,000 lbf
SL / 1,000,000 lbf vac
4,003 kN SL / 4,448 kN vac |
| Chamber Pressure: (Pc) |
2,642 psia |
| Mixture Ratio: |
2.7 : 1 |
| Isp: |
307.9 sec SL
/ 342.2 sec vac |
| Nozzle Area Ratio: |
34.3 |
| Gimbal Capability: |
??? |
| Engine Mass: |
8,720 lb
3,955 kg |
| Engine Thrust to Weight |
114.7 |
| Mixture Ratio Control: |
N/A |
| Throttle Range: (% Pc) |
50 to 100% |
| Restart Capability: |
Yes |
| Engine Size: (Length / Width) |
14.43 ft / 7.77 ft
4.4 m / 2.37 m |
| Flight Status |
Development |
| Launch Vehicles: |
Reusable First Stage (RFS) |
* Engine performance from
Boeing product data sheet.
|