Could a human survive 5Gs for about two days using existing or near future technology?
For purposes of this question, assume whichever body position and/or axis of acceleration is most likely to provide a successful outcome. And if it is not possible at all, what is the maximum length of time that a human could withstand 5Gs?
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1 answer
Lying on their back, on a bed made of some form of comfortable and supportive material, I'd say it's likely that they could survive.
The bigger problems come from laying on your back for two days:
Hydration and Eating At 5Gs, eating anything will be difficult. Not to mention, have you tried eating anything while on your back? Not the best. Anything would have to be fed via some form of liquid. Hope you like smoothies. Realistically speaking, you CAN go two days without food/water, but that's not something I would recommend.
Urination and defecation You can't exactly get up to go to the bathroom, so an all-liquid diet would definitely help here. There's a few methods for automatically collecting urine, from diapers to catheters to simple funnels.
Getting up at the end Have you ever stayed in bed for ages? Having some help at the end might not be a bad idea. Going at 5Gs for an extended duration will probably throw off your sense of self, and moving an arm that you're used to weighing 5x as much could be bad.
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