I have yet to actually measure my model, but the same set-up in the Rhapsody produces 2,300 to 2,400 watts. At 11 pounds that's 209 to 218 watts/pound. Slightly less, but the 22-12 prop turning at 5,800 is much more efficient.

I think Troy's comments are pretty much right on. For absolute pure pattern performance, it is really a toss up right now. But for ease of operation, low vibration hence low maintenance, and some possible advantages in speed control in the pattern, the nod goes to the electric.