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Blue Origin

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NS-13 | New Shepard

In true Blue Origin fashion, just a few days before launch, the public finally finds out about the next launch. However, this is no ordinary launch. NASA has partnered with Blue Origin and will put their new technology on the booster stage in order to test it in hopes that it will be suitable enough to be used a quarter of a million miles away on the Moon.
Is SpaceX's raptor engine the king of rocket engines. What is full flow. Why use methane?
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Is SpaceX’s Raptor engine the king of rocket engines?

SpaceX's new raptor engine is a methane fueled full flow staged combustion cycle engine and its so hard to develop, no engine like this has ever flown before!Now this topic can be really intimidating so in order to bring the Raptor engine into context, we’re going to do an overview of a few common types of rocket engine cycles then compare the Raptor to a few other common rocket engines, like SpaceX’s current work horse, the Merlin, The Space Shuttle’s RS-25, the RD-180, Blue Origin’s BE-4 and the F-1 engine.