Concerning the speed of ships you added recently: Why not use "c" as it is commonly denoted as the
speed of light in vacuum? It would give the game are more professional touch.
In
this thread we can see that the speed of the ship is 63pcc. So that would be 0.63c.
But what about interstellar travel? In Alien 1 Lambert stated that the Nostromo would need 10 months for the travel from
Zeta Reticuli to earth. The distance between earth and Zeta Reticuli is 39 light-years, so the ship would travel at a speed of 46.8c - which is a lot by the way. A speed of 0.63 would be enough for interplanetray travel but by far not enough to reach other systems.
So how about ftl-drives? We´ll probably need them to expand and build better worlds
.