Space Shuttle main engine topic
Also known as
- RS-24
The Space Shuttle Main Engines (SSMEs) are the three main engines on the Space Shuttle orbiter. They are constructed by Pratt & Whitney's Pratt & Whitney Rocketdyne Division. The SSME is also designated as the RS-24 for engineering purposes.
The Space Shuttle main engines burn liquid hydrogen and liquid oxygen from the Space Shuttle external tank. They are used for propulsion during its ascent, in addition to the two more powerful Solid Rocket Boosters and sometimes the Orbital Maneuvering...
full article at wikipedia
| Status |
| Used in rocket stages |
| Government designation |
| Manufactured by |
| Designed by |
| Design period |
| Use period |
|
start
|
|---|
|
| Diameter |
| Height |
| Thrust (vacuum) |
- 2,170,000.0N
| Thrust (sea level) |
- 1,750,000.0N
| Isp (vacuum) |
- 452.5s
| Isp (sea level) |
- 363.0s
| Dry mass |
| Throttle ratio |
- 0.64
| Wet mass |
| Engine cycle |
| Fuel |
| Oxidizer |
| Oxidizer/fuel ratio |
| Expansion ratio |
- 77.8
| Chamber pressure |
- 189.4bar
| Number of chambers |
- 1
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