Yeah, but attaching two spacex interplanetary spaceships nose to nose via a tether and giving the pair spin with the maneuvering thrusters would probably give y

Yeah, but attaching two spacex interplanetary spaceships nose to nose via a tether and giving the pair spin with the maneuvering thrusters would probably give you a s*load more space with much more comfortable artificial gravity. Still the scifi character of the ring is neat :D