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Blue Origin's BE-4 Vs. SpaceX's Raptor Engine: What's The Difference Between Them?
But arguably, the true game-changers are in the engines that power these spacecraft — the Blue Engine-4 (BE-4) and Raptor. Compared to more "conventional" rocket engines, BE-4 and Raptor are ...
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The New Ford Raptor Dakar Truck Is the Coolest Blue Oval in Years
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