Blue Origin NorthStar Rocket Engine 30% Better Than BE4 But Far From SpaceX Raptor 3
by Brian Wang from NextBigFuture.com on (#79JYS)
Blue Origin announced Northstar, a new liquid oxygen/liquefied natural gas (LOX/LNG) booster engine that produces 715,000 pounds of thrust. Northstar leverages Blue Origin's in-house large-scale additive manufacturing capabilities, with more than 65% of the engine produced through additive manufacturing. Compared to the BE-4 engine, Northstar reduces mass by 30% and parts count by 50%, while ...