During the discorse (read, off-topic discussion) at http://www.arcengames.com/forums/index.php/topic,9911.html
the subject of Implulse Reaction Emitters came up.
Considering that they are a likely candidate for the third "worst ship of the (time interval) Award (III)", I thought I would do some stats on energy usage.
Average energy use: 8338
Median energy use: 500
Standard deviation: 57037.7
with such a high standard deviation, I thought that maybe it would be useful to exclude the "huge, rare energy hogs" that are skewing the average
Average energy use (only including those within 2 standard deviations of the average): 3750.72
Then I realized there are a huge number of ships that use no power. Those are also skewing the average so
Average energy use (only for energy > 0): 10958.9
Combining the two filters,
Average energy use (only including those > 0 and within 2 standard deviations): 4943.0
So keep these numbers in mind when trying to determine "target average performance" of impulse reaction emitters.
I am assuming these are for high ship caps, as that is what is used in the internal ship definitions.
Admittedly, these values are still a bit suspect, because they do not take rarity and ship cap into consideration. (For some reason, the ship cap column is bugged, for many ships, it says 0 ship cap, even though I know they have a finite ship cap)
EDIT: For reference, the rate the IRE is getting damage is 1x extra damage per 1000 energy, with a minimum multiplier of 5. So, for both of the "high energy use filtered" averages, they will fail to break even their minimum damage in the average case. That seems a bit underpowered.