This morn we posted Orion's answer to the Halo: the spinning wheel is supported by a nonspinning magnetic shell. Like a lobster is boiled in its own shell.
You see, the older, simpler, thicker shell can offer something Elliot Orion Ruzicka hasn't considered: heat exchange. The outer shell gets outfacing radiators pointing in any direction. But... if there's a vacuum between the habitat and the outer shell, how's the habitat getting its heat to the outer shell?
Perhaps the separative medium is an efficiently-conductive gas. Like hydrogen. Superheated hydrogen between our oxygen-infused habitat and the outer shell, which spin we maintain by some turbine in the hub of the spokes. Oh the humanity.
Nah. The outer shell has to be a half shell, reflective on the outside. The radiators are then attached to the inner shell orthogonal to the direction of spin, or maybe tilted slightly outward.
As they say, amateurs study engineering; professionals study thermodynamics.
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