How much instantaneous acceleration/deceleration can a human body sustain without significant internal damage. For example, at what accelerations would a futuristic spacecraft be limited to if it had humans on board? -
![TIL: John Stapp withstood 46.2 G forces in 1947, the most any human has ever been subject to and survive. : r/todayilearned TIL: John Stapp withstood 46.2 G forces in 1947, the most any human has ever been subject to and survive. : r/todayilearned](https://external-preview.redd.it/VygYEBAyw5kelkztniMkzuMT4aoPq7gkcV1oIH-vyJA.jpg?width=640&crop=smart&auto=webp&s=ef97b5de33cfc1b5611111cb264692d6237db6b9)
TIL: John Stapp withstood 46.2 G forces in 1947, the most any human has ever been subject to and survive. : r/todayilearned
![How to withstand 9Gs? 'Squeeze the leg, squeeze the butt, breathe!' – video | Science | The Guardian How to withstand 9Gs? 'Squeeze the leg, squeeze the butt, breathe!' – video | Science | The Guardian](https://i.guim.co.uk/img/media/0abef423605741d42091e6d0661cc3121b753f8a/0_6_1268_713/master/1268.jpg?width=640&quality=85&auto=format&fit=max&s=edcf13879d232461146091ea204fdc44)