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EMAX BL2815 Outrunner Brushless Motors
It is the high torque brushless motor with rotating drum and high power magnets suitable for models of 400-500 size, and up to 1200g in weight. The hardened steel 5mm diameter shaft and is supported by three ball bearings. Due to ita??s high torque characteristics this motor is capable of turning large propellers with a high level of efficiency and without the need for a gearbox.

No. Of cells
 3-4x Li-Poly
 
RPM/V
 920
 
Max. efficiency
 80%
 
Max. efficiency current
 20- 30 A (>75%)
 
No load current / 10 V
 1,7 A
 
Current capacity
 40 A/60s

 
Dimensions
 38x36 mm
 
Shaft diameter
 5 mm
 
Weight
 112 g/3.9oz.
 
Recommended model weight
 1000-1400 g
 
Recommended prop without gearbox
 10"-11"

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