Marstronauts
@marstronauts · 23 mai 2019
What about dual-bell nozzles?
Elon Musk
@elonmusk
Vacuum nozzle engines are only used in (near) vacuum conditions. Sea level engines need to gimbal rapidly & at high angle for landing. Larger nozzle leaves less room to move & increases moment of inertia.
18:04 · 23 mai 2019 · 0 vues
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