If you find you might like to know more about/how to customize your Ship's Power, might I recommend my Guide/Calculator linked in my signature (just click He-Man).
When XP earnings during a Double-XP Weekend still feel like I'm underperforming,
there's something terribly wrong with the reward system...
You can find/contact me in game as @PatricianVetinari. RIP Terry Pratchett. Original Join Date: Feb 2010.