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<blockquote data-quote="Umbran" data-source="post: 3195041" data-attributes="member: 177">Well, here's a few thoughts for you to consider - You say you want no interstellar travel, but your system is a couple light-years across?&nbsp; That's a conflict right there.&nbsp; More than a few light-hours is pretty much &quot;interstellar distances&quot;.&nbsp; Unless you express a need for the system to be so large, the simple answer is to shrink the system.Which makes a lot of sense - in general, a star doesn't provide enough light to be what we'd call &quot;life giving&quot; more than a few light-hours out anyway.&nbsp; So there's little point for anyone to be farther out from a star, in the general case.&nbsp; So, if you have only one star (thus no &quot;interstellar&quot; travel), then why do you need the system to be so large?Also, you are confusing speed and range.&nbsp; Interstellar travel isn't about how fast you can go, so much as how far you can go.&nbsp; If no current ship can hold enough fuel (or is otherwise resticted), you can have them go as fast as you like, but with limited range.There are drive systems in development right now that you'd not want to use within an atmosphere - ion drives and &quot;Orion&quot; drives are decent examples.&nbsp; They won't do superluminal flight, but they do require that the things you use for atmosphere and space be separate.</blockquote>

[QUOTE="Umbran, post: 3195041, member: 177"] Well, here's a few thoughts for you to consider - You say you want no interstellar travel, but your system is a couple light-years across? That's a conflict right there. More than a few light-hours is pretty much "interstellar distances". Unless you express a [i]need[/i] for the system to be so large, the simple answer is to shrink the system. Which makes a lot of sense - in general, a star doesn't provide enough light to be what we'd call "life giving" more than a few light-hours out anyway. So there's little point for anyone to be farther out from a star, in the general case. So, if you have only one star (thus no "interstellar" travel), then why do you need the system to be so large? Also, you are confusing speed and range. Interstellar travel isn't about how fast you can go, so much as how far you can go. If no current ship can hold enough fuel (or is otherwise resticted), you can have them go as fast as you like, but with limited range. There are drive systems in development right now that you'd not want to use within an atmosphere - ion drives and "Orion" drives are decent examples. They won't do superluminal flight, but they do require that the things you use for atmosphere and space be separate. [/QUOTE]

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