merlin vacuum version rocket engine illustration poster |
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navigate by keyword : brand lighting font design drink bottle advertising iron presentation text glass liqueur poster label diagram merlin vacuum version rocket engine injector heart pintle type used apollo lunar module landing lmde propellants fed single shaft dual impeller turbopump high pressure fluid hydraulic actuators recycles low inlet eliminates separate drive system means thrust vectoring control failure running |
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The injector at the heart of Merlin is of the pintle type that was first used in the Apollo Lunar Module landing engine (LMDE). Propellants are fed by a single-shaft, dual-impeller turbopump. The turbopump also provides high-pressure fluid for the hydraulic actuators, which then recycles into the low-pressure inlet. This eliminates the need for a separate hydraulic drive system and means that thrust vectoring control failure by running out of hydraulic fluid is not possible. |
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