E-MOTOR(1C-4C)W/SPINNER

IPS-Twin Power System Weight: 42 grams / 1.50 oz. Gear ratio: 86T / 10T = 8.6 Recommended battery is 7.2V (2/3 AA 270 to 600 mAh). Using higher than 7.2 Volts will greatly decrease the lifetime of each motor. Using two heat sinks will extend both motor lifetimes. CAUTION: Using a larger than recommended propeller and/or higher voltage battery may cause permanent damage to this motor. Recommended Propellers: 13 x 9, 14 x 7, 14 x 10, 15 x 7.5. Recommended Batteries: NiCAD 6.0V - 150ma GWS, NiCAD 7.2V - 350ma GWS, NiCAD 8.4V - 350ma GWS.