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<blockquote data-quote="Mustrum_Ridcully" data-source="post: 6881399" data-attributes="member: 710">I believe a problem with the idea of extending one station at a later point is that the assumption that you could just &quot;reuse&quot; the existing stations energy supply and air supply and what not might rely too much on the idea that the original station would have any &quot;spare&quot; supplies for that purpose. The primary problem is getting stuff into space in the first place. You will try to avoid bringing more than you need, since it's really costly.What I wonder however about materials. Do we need a cylinder or torus? COuld we take a torus and take only, say 2 12th of it, put at opposing ends, so we have something like this: (-----) and have that rotate?You would need to go through micro-gravity to get to the other half of the station, but you would be able to achieve a bigger radius while needing less material. But I have no idea if such a construction would really rotate as well as a cylinder or torus.</blockquote>

[QUOTE="Mustrum_Ridcully, post: 6881399, member: 710"] I believe a problem with the idea of extending one station at a later point is that the assumption that you could just "reuse" the existing stations energy supply and air supply and what not might rely too much on the idea that the original station would have any "spare" supplies for that purpose. The primary problem is getting stuff into space in the first place. You will try to avoid bringing more than you need, since it's really costly. What I wonder however about materials. Do we need a cylinder or torus? COuld we take a torus and take only, say 2 12th of it, put at opposing ends, so we have something like this: (-----) and have that rotate? You would need to go through micro-gravity to get to the other half of the station, but you would be able to achieve a bigger radius while needing less material. But I have no idea if such a construction would really rotate as well as a cylinder or torus. [/QUOTE]

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