• 4725-520KV/Gold Fourth Generation Brushless Motor/Wire Diameter 1.45mm D4725

4725-520KV/Gold Fourth Generation Brushless Motor/Wire Diameter 1.45mm D4725

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Description:

       4725-520KV/Gold Fourth Generation Brushless Motor is suitable for Steam Armor 700 Helicopter. Adopt aluminum alloy high precision nc machining. Unique three large size bearing design, 180 degree high quality Ndfeb magnetic, internal high efficiency active radiator, bring ultra-low temperature, effectively improve energy conversion efficiency.

Adopt 1.45mm single strand thick copper wire,7T+6T YY Precise winding,Pure hand-made high slot full rate winding, powerful power, but the vibration value is very small, can stand the coin on the plane, specially designed for the 700 level of racing helicopter standard power motor.


Related Product Number:

Steam 4035HS/12S/540KV MK6079

Steam 4035HS/6S/1090KV MK55023 

Steam 4725-520KV/Gold Fourth Generation Brushless Motor/Wire Diameter 1.45mm  MD4725

Steam 4730-520KVGold Fourth Generation Brushless Motor/Wire Diameter 1.5mm    MD4730


Parameter:


Stator Diameter

47 mm

Stator Thickness

25 mm 

No. of Stator Arms

12

No. of Stator Poles

10

Motor Wind

6+6T+6T+5T delta

Motor Wire

1-Strand 1.45 mm

Motor Kv

520KV RPM/Volt

No-Load Current (Io/10V)

2.1 Amps

Motor Resistance (RM)

0.0132 Ohms

Max Continuous Current

120 Amps

Max Continuous Power

4800 Watts

Weight

500 Grams

Outside Diameter

58.5 mm 

Shaft Diameter

5.98 mm

Body Length

57 mm

Overall Shaft Length

117 mm

Max Lipo Cell

12s

Max Peak Current

238A (2 seconds)

Max Peak Power

10800 Watts (2 seconds)

Motor Timing

5deg ~ 15 deg

Drive Frequency

5kHz or 8kHz

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