Blue Origin unveils Northstar engine: 715,000 lbf thrust, 30% lighter than BE-4
beffjezos · x · 2026-11-06
Blue Origin unveiled Northstar, its next-gen booster rocket engine:
- 715,000 lbf thrust, an 11.7% increase over BE-4 (640,000 → 715,000)
- 30% lighter with 50% fewer parts than BE-4
- Over 65% 3D-printed; assembly takes under one day
- LOX/LNG oxygen-rich staged combustion cycle, single-shaft turbopump
- Just 11 months from program approval to development testing
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