I will warn you of this; if you're going to have a maximum number of engines on ship hulls, then you may want to consider rescaling your movement point numbers (unless you really want fusion-drive ships to zip around 4 times faster than ion ones). Also, you'll probably have to put ion engines higher in the component list than the others (or include a useless ability), since the AI tends to interpret lowest as best. (Except in the AI_Design_Creation files.
)
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The Unpronounceable Krsqk
"Well, sir, at the moment my left processor doesn't know what my right is doing." -
Freefall