Motors
Brushless motors for FPV drones – from the smallest tiny whoops to large heavy-lift machines. Motor size is indicated by four digits: the first two are the stator diameter in millimetres, the next two its height. A 2207 motor therefore has a stator with a diameter of 22 mm and a height of 7 mm. Motors are divided into subcategories by stator diameter.
A larger stator provides higher torque and can spin a larger propeller, but it is also heavier. The second key specification is KV – RPM per volt without load. The higher the battery voltage (number of cells), the lower the KV selected. Before purchasing, also check the shaft diameter (for propellers) and the diagonal mounting hole spacing (for the frame).
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