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Message: <blockquote data-quote="Xeriar" data-source="post: 1223941" data-attributes="member: 4116">My most amusing moment in physics was hearing the professor explain that you need to know the answer to some differential equations in order to solve them.I think computer aided human navigation would be required to do it in any reasonable amount of time, though I imagine some could actually do it manually.  If you don't believe it you haven't met a truly amazing mathemagician yet.Also, common routes and tables would likely be developed to allow some manner of stability (not to mention intentional visiting of other realities).  We've had log tables for centuries - though with the advent of calculators these are obsolete, we still have statistical tables (which at this point can already be better represented through a powerful calculator).Regardless, I would hope to have some garauntee of being able to take 10 (or even 20 - though it'll take awhile.  Extra resolution or whatever).  Needing a +19 bonus to carry just yourself for certain is rather harsh, in my opinion.I would probably scale the ship size something more like:Small (Probe): 5Medium (Big Probe): 10Large (Escape Pod, etc.  Can comfortably hold one person or crowd 2): 15Huge (2-4 crew ship, small ameneties, can crowd 8 people in): 20Gargantuan (4-8 crew ship, significant ameneties, can support 16 people well or crowd 32): 25Colossal (8-16 crew ship): 50Call the jump to Colossal breaching the Chanderov Limit or something like that - going over a certain weight be a bad thing.This lets an 'adventuring' group of 4-8 people have a decent sized ship (one they could walk around on) without having an insane DC to worry about.I'd probably ignore cargo unless it was something significantly complex or added a really good chunk onto the ship's weight.  You are concerned mostly about moving around large numbers of people and the size of the ship.Gargauntuan limits cargo to about a hundred tonnes, and going over some ~150 tonnes all things included (or whatever number you choose) crosses the Limit.Combine with requiring both insane computing power and mad math skills, you can keep numbers fairly low <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":-)" title="Smile    :-)"  data-smilie="1"data-shortname=":-)" /></blockquote>

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