Specifications
Diameter: 25mm
Case Length: 31mm (1.2 in)
Weight: 56g (2.0 oz)
Shaft Diameter: 2.3mm (.09 in)
Kv: 3500 (rpms per volt)
Io: 1.65A @ 10V (no load current)
Ri: .65 ohms (resistance)
Continuous Current: 19A
Max Burst Current: 23A

Key Features
Ideal for small ducted fan models from 15- to 25-ounces using 3-cell 2100mAh Li-Po packs
High torque alternative to inrunner brushless motors
Slotted 9-pole Outrunner design
High quality construction with ball bearings and hardened steel shaft
Quiet, lightweight operation – just 2 ounces (56 g)

Overview
The great performance and small size of the E-flite 400BL ducted fan motor make it a perfect match for single- and multi-ducted fan models. The high RPM per volt (3500Kv) design allows for high RPM capability on most 66mm fan units.

Recommended with:
20A Brushless ESC (2)
66mm 3 bladed Ducted fan unit (2)
11.1Z 2100mAh Li-Po (2)