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   Electric (Brushless) Motors & Accessories Electric Brushless Motors - Outrunner EMAX 520KV Outrunner Brushless Motor for 2 to 4kg Airplane Type BL4020
SKU:  BL4020
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EMAX 520KV Outrunner Brushless Motor for 2 to 4kg Airplane Type BL4020
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Added:2009/10/17
Updated:2011/09/13
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  Tags: EMAX  520KV  Outrunner  Brushless  Motor  for  2  to  4kg  Airplane  Type  BL4020 

Features:
* High temperature and magnetic give the motor higher efficiency and extra power.
* Silicon steel lowers energy consumption.
* Motor is accurately CNC machined. This gives smoother and quieter running.
* Bearings are made of high temperature and high carbon steel.
Specifications:
Type: BL4020
No. Of cells: 5 to 7S Li-Poly
Max. efficiency: 86%
Max. efficiency current: 20 to 40A (>78%)
No load current / 10 V: 2.1 A
Current capacity: 41A / 60s
Dimensions: 41 x 20 mm
Shaft diameter: 8 mm
Weight: 248 g/ 8.75oz
Recommended model weight: 2 - 4 kg
Recommended prop without gearbox: 13x 8, 12 x 8





Includes/Requires:
Includes:
1 x brushless motor
1 x cross type motor mount
1 x prop adaptor
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