21.5 Turn SPEC brushless 540 sensored MotorROAR, IFMAR legalHigh RPM precision bearingsAdjustable TimingCompatible with any Sensored/Sensorless ESC.Features:CNC Machined Billet T6 Aluminum Heatsink Can.High Purity Copper WindingsHigh Power Solder TabsRemovable/Replaceable RotorPowerful Sintered Neodymium MagnetPrecision Engineered for Maximum Energy ConversionMeet IFMAR/ROAR rulesTechnische Daten::540er Brushless Motor SensorlosLIPO:1-3sMax current:28ARotor Series:2poleRPM/volt:1760KVWatts:220Rotor:12.5*5Weight:178gTYPE:SPECNo-load current:0.9AInternalresistance:0,0875Shaft Diameter : 3.175mm
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