Merlin (rocket engine) | Wikipedia audio article
Channel: wikipedia tts
Date: 17/05/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Merlin_(rocket_engine_family)


00:00:51 1 Revisions
00:01:01 1.1 Merlin 1A
00:02:35 1.2 Merlin 1B
00:04:20 1.3 Merlin 1C
00:08:12 1.4 Merlin Vacuum (1C)
00:10:04 1.5 Merlin 1D
00:15:31 1.6 Merlin 1D Vacuum
00:16:40 2 Design
00:16:49 2.1 Engine control
00:17:21 2.2 Turbopump
00:17:47 3 Production
00:19:01 4 See also



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SUMMARY
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Merlin is a family of rocket engines developed by SpaceX for use on its Falcon 1, Falcon 9 and Falcon Heavy launch vehicles. Merlin engines use RP-1 and liquid oxygen as rocket propellants in a gas-generator power cycle. The Merlin engine was originally designed for sea recovery and reuse.
The injector at the heart of Merlin is of the pintle type that was first used in the Apollo program for the lunar module landing engine (LMDE).
Propellants are fed via 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.