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Here is a great video on spin gravity. It covers an important detail that another comment mentions but most over look. Spinning fast enough to create gravity-like centrifugal force causes real dizziness at small diameters. 5 or 6 rpm is about the maximum we can stand.
That's why you split the ship in two and spin the habitation module around the heavier part of the ship¹, connected by a tether, as in Project Hail Mary (which the video says is still too fast... so just make the tether longer).
Yeah, a good idea. You run into some material strength issues, but I think this is the way.
We just need to breed two or seven generations of humans in tiny ship orbit and they will adapt.