RD-172 topic
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Development of RD-171
| Status |
| Used in rocket stages |
| Government designation |
- 14D20
| Manufactured by |
| Designed by |
| Design period |
|
start
|
end
|
|---|---|
|
|
| Use period |
| Diameter |
- 3.565m
| Height |
- 4.15m
| Thrust (vacuum) |
- 8,310,400.0N
| Thrust (sea level) |
- 7,683,200.0N
| Isp (vacuum) |
- 337.0s
| Isp (sea level) |
- 311.0s
| Dry mass |
- 10,255.0kg
| Throttle ratio |
| Wet mass |
- 11,307.0kg
| Engine cycle |
| Fuel |
| Oxidizer |
| Oxidizer/fuel ratio |
- 2.6
| Expansion ratio |
| Chamber pressure |
- 257.0bar
| Number of chambers |
- 4
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