The nauvoo in the expanse was built for acceleration at first, since at a constant 1 g it would take 6 months to get up to .5 lightspeed, 350 days for lightspeed.. Technically.. then on its coasting phase it would be rebuilt for spin for the coasting then rebuilt for decel. At minimal accel it would take 100s if not thousand years to get to another system. Then you'd have to worry about crap breaking ob the trip. I remember a Voyager book where they encounter a o'neill hybrid system ship with many cylinders connected , maybe 20? And they were trying to outrun there sun going nova.