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The BE-4 (Blue Engine 4) is a liquid rocket engine developed by Blue Origin. It uses liquefied methane fuel and operates on an oxygen-rich staged combustion cycle. The BE-4 produces 2,800 kN (640,000 lbf) of thrust at sea level.
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blue engine origin vulcan first new glenn ula rocket testing development centaur engines launch thrust january kn lbf combustion 2018
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| BE-4 | Associated LV | Vulcan Centaur New Glenn | 1.00 | infobox |
| BE-4 | Burn time | Vulcan: 299 seconds | 1.00 | infobox |
| BE-4 | Burn time | New Glenn: 191 seconds | 1.00 | infobox |
| BE-4 | Chamber pressure | 140 bar (14,000 kPa) | 1.00 | infobox |
| BE-4 | Country of origin | United States | 1.00 | infobox |
| BE-4 | Cycle | Oxygen-rich staged combustion | 1.00 | infobox |
| BE-4 | Designer | Blue Origin | 1.00 | infobox |
| BE-4 | Dry mass | Original: 5,400 kg (11,900 lb) | 1.00 | infobox |
| BE-4 | First flight | January 8, 2024 (2024-01-08) | 1.00 | infobox |
| BE-4 | Gimbal range | ±5° | 1.00 | infobox |
| BE-4 | Manufacturer | Blue Origin | 1.00 | infobox |
| BE-4 | Propellant | LOX / CH4 | 1.00 | infobox |
| BE-4 | Specific impulse | 340 s (3.3 km/s) | 1.00 | infobox |
| BE-4 | Status | In production | 1.00 | infobox |
| BE-4 | Throttle range | 40–100% | 1.00 | infobox |
| BE-4 | Thrust, sea-level | Original: 2,460 kN (550,000 lbf) | 1.00 | infobox |
| BE-4 | Thrust, sea-level | Improved: 2,847 kN (640,000 lbf) | 1.00 | infobox |
| BE-4 | is a | staged combustion cycle engine | 0.90 | text |
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