[quote]ORIGINAL: StephenT
I tried a 3S 2100 mah 20C Kokam on Monday. 32 Amps/323 Watts. Good flying. I'm using a 30 Amp controller and it thermalled off at about 5 minutes.
You need a bigger speedcontroller, 45 ampper would be good , however you got watch your lipos also [X(]make sure there`s enough cooling running through the fuselage

. Ed