Hi
I recently rebuilt my tricopter, which is an aluminium version of David Windestal's Tricopter, with a KK2.1 control board, a 20a Q-brain ESC, a turnigy 2200mah 3s battery, some dt750, 10x4.7 GWS props, and other accesories. I have done some calculations, and i should be getting about 6 mins...