BE-3
The BE-3 (Blue Engine 3) is a LH2/LOX rocket engine developed by Blue Origin.
| Country of origin | United States |
|---|---|
| Manufacturer | Blue Origin |
| Status | Active |
| Performance | |
| Thrust | BE-3PM: 49.8 tf (0.488 MN; 110,000 lbf) (sea level) BE-3U: 72.5 tf (0.711 MN; 160,000 lbf) (vacuum) |
| Throttle range | 18-100% |
| Used in | |
| New Shepard, New Glenn | |
The engine began development in the early 2010s, and completed acceptance testing in early 2015. The engine is being used on the New Shepard suborbital rocket, for which test flights began in 2015 and a first crewed flight occurred in 2021. The engine was under consideration by United Launch Alliance (ULA) for use in a new second stage, the Advanced Cryogenic Evolved Stage, in ULA's Vulcan orbital launch vehicle with first flight in the 2020s.
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