I do not know for sure, bu I believe the power drain is NOT calculated per shot but per activation of the weapon cycle. I'd like clarification on this as well... as that would really help my spreed-sheet math. :P
I do know that dual heavies are the most energy efficient because they do their damage in a quick burst before the energy drain can really affect them.
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I do know that dual heavies are the most energy efficient because they do their damage in a quick burst before the energy drain can really affect them.