The original SUNNYSKY R2205 KV2500 brushless motor and R25 2-4S BLHeli_S ESC kit is designed to provide both quality and performance at an affordable price. The motor is built from high quality aluminum alloy which is produced from the latest CNC milling machines, and is designed with high power and rotation speed to provide longer run time for FPV racing drone.
2 pairs R2205 2500KV CW CCW brushless motor and 4pcs R25 2-4S BLHeli_S 25A ESC combo for FPV racing drone.
Active cooling fins greatly reduce motor temperatures.
Unique hollow shaft design, lighter than the same class of motors.
99.99% oxygen free copper wire, high efficiency quality assurance.
Low center of gravity, light weight design.
Enhance anti off U ring for safety & stability.
CNC machining technology, dynamic balancing treatment.
BLHeli_S is designed for superior performance in multirotors, and uses hardware generated motor pwm for smooth throttle response and silent operation.
R2205 KV2500 Motor
Stator diameter: 22mm
Stator thickness: 5mm
No. of stator arms: 12
No. of rotor poles: 14
KV (rpm/min): 2500kv
Shaft diameter: 5mm
Internal resistance: 45mΩ
Max power: 473W
No. of Cells: 3-4S
Recommended ESC: 20-30A
Motor size: About 32.8 * 27.7mm
Motor weight: About 33g/pcs
Continuous current: 25A
Burst current: 35A
Voltage range: 2-4S lipo
Weight: About 5.6g/pcs
Size: 26 * 13 * 5mm (excluding cable)
There may be some deviation due to manual measurement.
Package size: 18.5 * 9.2 * 4.1cm / 7.28 * 3.62 * 1.61in
Package weight: 270g / 9.52oz
Gift box package
4 * Sunnysky R2205 2500KV Motor (2CW+2CCW)
4 * R25 2-4S BLHeli_S ESC
1 * Motor Accessory Set