> For example, one of von Braun’s designs called for a massive 75 metre diameter wheel
That’s a radius of about 5% of the length of a human body, so I guess we would soon find out how humans react to living in an environment where ‘gravity’ at eye height is about 5% lower than at toe height or do we already know something about that?
Not regularly, but there have been contests to see how long people will stay on a rollercoaster. Speaking from some experience, after you've gone around a few times, it can actually get rather boring.
I once had a job making ride photo systems for rollercoasters and rode them repeatedly to make sure the cameras and lighting worked appropriately. And, after riding for several hours late at night, I found myself falling asleep on a roller coaster!
That’s a radius of about 5% of the length of a human body, so I guess we would soon find out how humans react to living in an environment where ‘gravity’ at eye height is about 5% lower than at toe height or do we already know something about that?