Scanner RC SCM-3213–KV 1350 Brushless Outrunner Motor. Comes with SCM Radial Mount, 2 prop adapters, a bolt on prop adapter and SCM-Simple prop Adapter 3mm (prop saver). No. Of cells 4-8 RPM/V 2 - 3x Li-Poly 1,350 RMP/V Max. efficiency 82% Max. efficiency current 7 - 10 A (>75%) Internal Resistance 125 ohm No load current / 10 V 0,7 A Current capacity 12.5 A/60 s Dimensions 27,7x26 mm Shaft diameter 3,0 mm Weight with cables 45 g Recommended model weight 300 - 600 g (heli up to 500g) ? Recommended prop without gearbox ? ? 2xLi 10"x5" 3xLi 9"x5" 10 cells 8,5"x5" Scanner RC