SpaceX's Merlin rocket engines

How Does A Rocket Engine Work?

Ever wondered how rockets create all that trust to blast off into space? Queue Tom Mueller, SpaceX’s Vice President of Propulsion Development, who will tell you all about it with his narrated schematic of SpaceX‘s Merlin rocket engine here. Don’t forget to toggle the full screen option.

Of course, this engine isn’t your run of the mill rocket engine, if there is such a thing. According to Mueller this 140,000-pound-thrust Merlin 1D has the highest thrust-to-weight ratio of any rocket engine ever made, and they are made in-house! Not something that was planned originally but unworkable supplier demands and high proces meant they went for it by themselves. This decision did probably not only save the company millions in the long run but also secured SpaceX‘s status as one of the leading companies in the industry, with the technical know-how to prove it means business.

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