Cobra 4120/12 Motor Specifications
 Stator Diameter 41.0 mm (1.614 in)
 Stator Thickness 20.0 mm (0.787 in)
 Number of Stator Slots 12
 Number of Magnet Poles 14
 Motor Wind 12 Turn Delta
 Motor Kv Value 850 RPM per Volt
 No Load Current (Io) 2.74 Amps @ 14 Volts
 Motor Resistance (Rm) per Phase 0.021 Ohms
 Motor Resistance (Rm) Phase to Phase 0.014 Ohms
 Maximum Continuous Current 75 Amps
 Max Continuous Power (3-cell Li-Po) 830 Watts
 Max Continuous Power (4-cell Li-Po) 1110 Watts
 Max Continuous Power (5-cell Li-Po) 1390 Watts
 Motor Weight 293 grams (10.34 oz.)
 Outside Diameter 49.8 mm (1.961 in.)
 Shaft Diameter 6.00 mm (0.236 in.)
 Motor Body Length 51.8 mm (2.039 in.)
 Overall Shaft Length 74.5 mm (2.933 in.)
 Motor Timing 5-10 degrees
 PWM Frequency 8 KHz