EMAX BL4020 Outrunner Brushless Motors

AUD$49.95




 Excellent quality brushless motors with neodymium magnets and rotating case are manufactured using advanced technologies from finest materials. Hardened steel 6mm shaft supported by  ball bearings for smooth ,well balanced running. Very robust but lightweight construction ensure  long term relability . The unique design of the motors gives extremely high torque allowing to rotate large diameter and pitch propellers without need of a gearbox. The radial mount set includes: mounting flange, propeller adaptor, securing collar, and screws. Emax  Blue series motors offer high quality manufacturing std's, excellent reliability and outstanding performance that is comparable with the best outrunners available in the market today.

No. Of cells
5-7x Li-Poly
Max. efficiency
86%
Max. efficiency current
20- 40 A (>78%)
No load current / 10 V
2,1 A
Current capacity
41 A/60s
RPM/KV
                          520
Dimensions
50x48 mm
Shaft diameter
6 mm
Weight
248g/8.75oz.
Recomended model weight
2000-4000 g
Recomended prop without gearbox
5s Li-Po APC 13*8
5s Li-Po APC 12*8

BL4020 KV=520 Sample data sheet

Model
Voltage
Propeller
RPM
Max Current
Max Trust
BL4020
21V
13X8E
10130
44A
4650g
BL4020
17V
13X8E
8200
28A
3345g
BL4020
22V
12X8E
10500
41A
4314g
BL4020
17V
14X7E
8600
43A
3607g

 Equivalent to 0.54 -2stroke, 0.74 -4stroke


Add to Cart:

  • Model: BL4020
  • 2 Units in Stock


Your IP Address is: 54.80.248.78
Copyright © 2017 XC-RC.com.au. Web design by Ecommerce Web Design