CW 50mm Duct Fan 12-Blade CW propeller with QF2611 5000KV motor For the 800g RC Jet EDF Model Airplane or QuadcopterDucted Fan Dimensions : Ducted Fan Mouth Maximum Diameter: Approx. 63mm Ducted Fan Exterior Diameter: Approx. 54mmDucted Fan Height : Approx. 41mm Ducted Fan Interior Diameter : 50mm 12-Blade CW propellerQF2611 5000 KV Brushless Duct Fan motorMotor wires ended with the male 3.5mm bullet banana plug connector Weight: 76 gram (Motor)Motor Dimensions (Diameter x Length):25.8mm x 57mmRotational Speed : 5000 RPM/VThe Max Thrust :950g(33.51 OZ)The Max Continuous Current :45AInput Voltage : 12.6 VNo Load Current : 0.5ARecommend esc : 50ARecommend number of cells : 3S lipo battery (11.1V)Qty:1set