Compared with other motors of similar grade、 the EMAX RS1306 4000KV CW Cooling Series Brushless Motor for FPV iFlight Mini Tarot 130 Diatone 150 Frame has 70 grams of higher pull power. Designed specifically for 130 150 racing quadcopters、 it features strong wind suction to largely reduce the overall operation temperature of the motor. Strong N52 magnets bring ultra high power while high quality NSK bearings provide long-lasting smoothness. What&acute;s more、 factory balanced precision CNC motor bells ensure its high performance. Don&acute;t hesitate to get one!                                    <p>Features</p>            <ul><li> RS exclusive "Cooling" design on a micro sized motor</li><li> 70 grams of higher pull power compared with other motors of similar grade</li><li> Designed specifically for 130 150 racing quadcopters</li><li> Strong wind suction largely reduces the overall operation temperature of the motor</li><li> Strong N52 magnets、 ultra high power</li><li> High quality NSK bearings provide long-lasting smoothness</li><li> Factory balanced precision CNC motor bells</li><li> Integrated 5mm prop shaft with lock nuts   </li></ul>                                                            <p>Specifications</p>            <table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td width="131"> Brand</td><td width="365"> Emax</td></tr><tr><td width="131"> Model</td><td width="365"> RS1306</td></tr><tr><td width="131"> Framework</td><td width="365"> 9N12P</td></tr><tr><td width="131"> KV</td><td width="365"> 4000</td></tr><tr><td width="131"> No. of Cells</td><td width="365"> 3-4S Lipo</td></tr><tr><td width="131"> Max Thrust</td><td width="365"> 340g (With GF3040 BN 3-Blade Prop)</td></tr><tr><td width="131"> Shaft</td><td width="365"> 2mm</td></tr><tr><td width="131"> Compatible Propeller</td><td width="365"> 5"</td></tr><tr><td width="131"> Recommended Propellers</td><td width="365"> HQ 3030x2、 HQ 3030x3、 HQ 3030x4 Gemfan 3040x2、 Gemfan 3035x3</td></tr><tr><td width="131"> Motor Type</td><td width="365"> CW</td></tr><tr><td width="131"> Dimensions</td><td width="365"> (1.10 x 1.10 x 0.71)" / (2.8 x 2.8 x 1.8)cm (L x W x H)</td></tr><tr><td width="131"> Weight</td><td width="365"> 0.45oz / 12.7g </td></tr></tbody> </table>                                                            <p>Package Includes</p>            <ul><li>1 x EMAX RS1306 4000KV CW Motor</li></ul>