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HobbyWing SKYWALKER QUATTRO 25Ax4 ESC Specially designed for Quatropter
HobbyWing SKYWALKER QUATTRO 25Ax4 ESC Specially designed for Quatropter
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1 Specification

1.1 ESC in the Quattro: 4 in 1
1.2 Output: Continuous 25A, Burst 30A up to 10 seconds.
1.3 Input Voltage: 2-4S Lipo or 5-12 cells NiMH. 
1.4 BEC: 3A / 5V Switch mode BEC.
1.5 Refresh rate of the throttle signal: 50Hz to 432Hz.
1.6 Max Speed: 210000rpm for 2 Poles BLM, 70000rpm for 6 poles BLM, 35000rpm for 12 poles BLM.
(BLM = BrushLess Motor)
1.7 Size: 70mm*62mm*11mm.
1.8 Weight: 112g.

2 Features

2.1 Four (4) speed controllers  in 1 board, only 1 pair of battery wire is needed.
2.2 Safety arming feature: Regardless the throttle stick position, the motor will not spin after battery connected. 
2.3 Throttle calibration funtion: Throttle range can be calibrated to be compatible with different transmitters.
2.4 User programmable. 
2.5 Multiple program methods supported: transmitter stick, LED Program Card. Very easy to program the ESC at home or at the flying field.
2.6 Compatible with Lipo battery and NiMH battery.
2.7 Internal timing can be changed to be suitable for different brushless motors.
2.8 Full protection: Low voltage cutoff protection / Over-heat protection / Throttle signal loss protection.
2.9 Microprocessors use separate voltage regulator IC for better anti-jamming capability.

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