Product overview
The iFlight Defender 25 Motor is designed for ultralight micro drone builds, including sub-250-gram Defender 25 builds. This 4150kV motor measures φ17.7*14.3mm and weighs 8g±0.5g including its wire. Its electrical specifications comprise a 16.8V input, 188mΩ interphase resistance, 12.03A peak current and 200.8W maximum power. The motor uses a 9N12P configuration with N52H curved magnets, a segmented bell rotor and single-strand copper winding.
NMB bearings have a φ5*φ2*2.5 specification. The shaft diameter is 1.8mm, with a protruding length of 1.8mm±0.2mm, and the lead specification is 60mm/26AWG. The mounting arrangement comprises three holes, specified as 3 x 9*9 φ2mm. Each package supplies one Defender 25 1404 Motor together with four M2x5 screws and two M2x7 screws.
