E-Power BL4020 520KV Brushless Outrunner Motor
Specifications:
RPM/V (KV): 520
No. Of cells: 5-7x Li-Poly
No load current: 10 V 2,1 A
Max. efficiency: 86%
Max. efficiency current: 20- 40 A (>78%)
Current capacity: 45 A/60s
Dimensions: 40x20 mm
Weight : 236g/8.32oz.
Shaft diameter: 8 mm
Glow equivalent: 0.54 -2stroke / 0.75 - 4stroke
Model Voltage Propeller RPM Max Current Max Trust
BL4020 21V 13X8(Thin) 10130 44A 4650g
BL4020 17V 13X8(Thin) 8250 31A 3260g
BL4020 22V 12X8(Thin) 10800 42A 4200g
BL4020 17V 14X7(Thin) 8600 43A 3607g
Comes with mount and prop adapter as is standard for all BL emax motors.