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Simple, fuel-efficient rocket engine could enable cheaper, lighter spacecraft | Science Daily
Source: Flickr by Steve Jurvetson. Attribution 2.0 Generic (CC BY 2.0)

Simple, fuel-efficient rocket engine could enable cheaper, lighter spacecraft | Science Daily

NASA’s Space Shuttle took 3.5 million pounds of fuel to put it into orbit. A rotating detonation engine is now being investigated as an alternative that requires less fuel. While a mathematical model has been created to show how it works, the engine is currently too unpredictable to put use with a rocket. This new information will enable scientists and engineers to test and develop new ways to create a more stable engine. A conventional engine burns propellant/fuel and then pushes it out the back in order to generate thrust. A rotating engine has propellant flow between cylinders, detonate, and create a stronger pulse of gas with a higher temperature and pressure.

Source: https://www.sciencedaily.com/releases/2020/02/200218143706.htm

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