65Drones 8.5x20mm coreless motor set 8.5x20mm (speed: fast) are perfect upgrade set for your Hubsan 107C/107D and for building your micro drones. Motors come with Micro-JST-1.25mm plugs and 8cm wire that allows you to plug-and-play into Hubsan 107C/107D. Technical Specifications and Performance data: speed r/min at 3.0v: 42000 rpm operating voltage: 1.5-3.7V can diameter: 8.5mm can length: 20mm shaft diameter: 01mm shaft length: 5mm All motor packs contain 2 pieces of clockwise and 2 pieces of counter clockwise motors. To maximise performance and life span, dont run them in reverse! Motor rotation and correct polarity is indicated by the wire color: clockwise: red +, blue - counter clockwise: white +, black -
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