SpaceX Raptor
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Raptor is a family of rocket engines developed and manufactured by SpaceX. It is the third rocket engine in history designed with a full-flow staged combustion fuel cycle, and the first such engine to
A Raptor 1 rocket engine ready for transport outside SpaceX's factory in Hawthorne, California
SpaceX's Merlin engine (left) compared to a sea-level Raptor 1 engine (right)
Testing of the Raptor 's oxygen preburner at Stennis Space Center in 2015
First test firing of a Raptor development engine on 25 September 2016 in McGregor, Texas
SpaceX Merlin
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Merlin is a family of rocket engines developed by SpaceX. They are currently a part of the Falcon 9 and Falcon Heavy launch vehicles, and were formerly used on the Falcon 1. Merlin engines use RP-1 an
SpaceX Raptor
…staged combustion is a departure from the more traditional "open-cycle" gas generator system and LOX/kerosene propellants used by its predecessor Merlin. Before Raptor, no full-flow staged combustion engine had ever been used inflight and only two designs had progressed sufficiently to reach test stands…
Test firing of the Merlin 1D at SpaceX’s McGregor test stand
Merlin 1C under construction at SpaceX
Merlin 1C Vacuum engine at Hawthorne factory in 2008