Quality powerful motor verified by top pilots. The motor is suitable for F3P airplanes and the Backyard category. The AM30 is made of heat-resistant windings, arc magnets and high quality bearings. 1.Packs a Punch 2. 19g motor mass, best on 80g—180g Class F3P Indoor Competition Aircrafts 3.Large diameter design: push to the MAX with consistent cooling 4.Switch as you please between 3D or 4D