2pcs DC 4.2V 612 6x12mm Micro Coreless Motor With 2pcs Propeller High Speed Mini Drone

Here are few examples of coreless motor uses Brand Bidyarthi Speed 55000 RPM Voltage 3.7 Volts Horsepower 2 hp Material Metal About this item Sold By Bidyarthi Voltage 3.7, RPM 55000 (No Load) Body Metal Body Size 12x06mm length and diameter  2 Propeller Product description Bidyarthi Coreless motor voltage- 3.7 V, RPM- 55000 (without Load), Body – Metal, Colour – Silver, Size 12mm (1.2 cm length), 06 mm (0.6 cm diameter), Propeller Length – 50mm, Wire Length 7 cm, Shaft Length: 4. 5mm/ 0. 18in, Use in Helicopter Drone Rotor, Tricopter, Quadcopter, Hexacopter, Octacopter, Very Small Drone, Mini Drone, Medium Drones. What is in the Box ? 2 x Coreless Drone Motor 2 x Propeller 50mm