BL420 DF Outrunner, 3800kV

The great performance and small size of the E-flite 420BL ducted fan motor make it a perfect match for single- and multi-ducted fan models. The high rpm per volt (3800Kv) design allows for high rpm capability on most 66mm fan units.

Key Features
Ideal for single ducted fan models from 16 to 28 ounces or twins up to 56 ounces
High-torque alternative to inrunner brushless motors
High-quality construction with ball bearings and hardened steel shaft
Quiet, lightweight operation, just 2 oz (58 g)
Efficient operation with external radial rotor design
Slotted 6-pole outrunner design
Ideal for ducted fan models up to 325 watts

Specs
Type:Outrunner (for Ducted Fan use)
Size:BL 420
Bearings or Bushings:Bearings
Wire Gauge:18AWG
Recommended Prop Range:66mm Fan Unit (3-blade fan)
Voltage:9.6–12V
RPM/Volt (Kv):3800
Resistance (Ri):.03 ohms
Idle Current (Io):1.80A
Continuous Current:25A
Maximum Burst Current:32A (15 sec)
Cells:3S Li-Po or 8-10 Cells Ni-MH/Ni-Cd
Speed Control:25–40A Brushless
Weight:58 g (2 oz)
Overall Diameter:28mm (1.10 in)
Shaft Diameter:.09 in (2.3mm)
Overall Length:1.20 in (30mm)

Needed to Complete
25A to 40A Brushless ESC
Ducted Fan unit (ideal for 66mm)
11.1V 2100mAh LiPo