For SPEED 400 size airplanes
Great for 3D Flying
Motor Stats Wire Winds / Turns: 34 Ni-Mh Battery:8 - 10 cells Li-Po Battery: 2 / 3 cells RPM per volt : 1100 Max efficiency: 80% Max efficiency current: 4~7A (>74%) No Load Current / 10V: 0.4A Max Current: 8A/60 sec Dimension: 27.5x26 Shaft: 3mm Weight: 34g Recommended Model Weight: 200 - 500g (7oz to 18oz) Recommended Propeller without gearbox 10 cells NiMh : 8.5" x 5" 2 cells Li-Po : 10" x 5"