Description: A60-5S V4 28-Pole The 8S Powermotor for 2m 3D Planes! With the new V4 version we bring our popular A60 motors to a new level. A new designed cooling-fan for better cooling, and new larger ball bearings make the A60 Outrunner motors more efficient and robust in daily operation. The A60-XS and A60-S series are designed only for Backmount Assembly. The A60-M and A60-L series can built in as a front mount, or with the optional motormount and a supportbearing the motors can also be backmounted. Technical Data: Powerrange max. 2400W (15 sec.) Idle Current at 8,4V 1,7A Resistance 0,015 Ohm RPM / Volt 295 U/min-1 Weight 595g Diameter 60 mm Length 65,5 mm Type 28-Pole recommended Timing: 25° Switching Frequency 8 kHz recommended Prop at 8S Lipo XOAR 21x10 (~85A)