(Tim)
>Given the economics of starship operation, essentially all systems
>would have completely separate interstellar and in-system travel
>networks, meeting at jump ports outside the stellar limit.
>
>Most likely, those ports would be built on one of the types of large
>icy bodies that should be common at such distances.  Such a body would
>provide ample hydrogen fuel and serve as a base for defenses
>(including deep meson sites in wealthier systems).

>Those jump ports would be even easier to reach for starships than
>planetary surfaces are in "standard" Traveller, and consequently there
>would be quite a bit less opportunity for piracy affecting starships.
>Piracy may be a larger problem for in-system craft, due to the greatly
>increased typical travel distances.

So, what I'm getting is that if we want to provide a golden
opportunity for piracy, the numbers will have to be tweaked to provide
a large enough region of space for lurking, but not so large that it
becomes uneconomical to fly to the main world? Say, 2.5x (250
diameters)?
I will admit, part of what I want to do is to force greater economic
development of systems beyond the mainworld, without changing
everything too much.
Possibility: You drop out of jump at the 100D mark, but you can't jump
out until the bigger limit. Might have to figure out why they don't
just undershoot and land at the jump out points, but I think a
sufficiently nasty penalty for trying that stunt could do the trick.