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Musk's inspiration for 27 engines? Modern computer clusters

11 monthes ago   |   By Ars Technica

Enlarge / The Falcon Heavy rocket proved that 27 engines can fly together and not go all explode-y.
One of the most striking aspects of this week's launch of the Falcon Heavy rocket is the number of engines the triple-core booster used to reach orbit. Each of the cores had nine Merlin rocket engines, making for a total of 27 engines.
Prior to this launch, no rocket had ever successfully ascended into orbit with more than nine engines-a feat accomplished previously by SpaceX's Falcon 9 rocket and Rocket Lab's Electron rocket. (The Russian Soyuz rocket has five engines, each of which has...
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