E-Flite Power 52 Brushless Outrunner Motor, 590Kv

Developed to provide clean and quiet power, the Power 52 Brushless Outrunner Motor, 590Kv is designed for 40- to 50-size sport and scale airplanes, 40- to 50-size 3D airplanes, as well as models requiring as much as 1650 watts of power.

Features
Comparable to a 46- to 55-size radiance engine for 5.00- to 7.50 pound (2.20 – 3.40 kg) airplanes.
Ideal for 40- to 50- size 3D airplanes as much as 6.00 lbs (2.70 kg)
Perfect for models requiring as much as 1650 watts of power
High-torque, direct drive option to inrunner brushless motors
Consists of mount, prop adapters and installing hardware
Quiet, lightweight operation
External rotor style 6mm shaft can easily be reversed for alternative motor installations
Premium building with ball bearings and solidified steel shaft
Slotted 14-pole outrunner style

Had to Total
80-Amp brushless ESC
FOUR–SIX Li-Po or 14- to 16-cell Ni-MH/Ni-Cd Battery
14 x 7 to 12 x 8 Prop

Specs
Adjustable Timing: No
Application: Aircraft
Cells: 14-20 Ni-MH/Ni-Cd or 4-6S Li-Po
Port Type: 4mm bullet
Constant Present: 51A +
Idle Current (Io): 2.3A @ 18.5V
Input Watts: As much as 1650
Maximum Burst Current: 75A
Motor Design: Outrunner
Overall Size: 2.00 in (50mm)
Power Plant Size: 25-52 Electric
RPM/Volt (Kv): 590
Suggested Prop Range: FOUR: 14 x 7 - 15 x 8; 5S: 13 x 8 - 15 x 7; 6S: 11 x 10 - 12 x 8
Suggested Speed Control: 80-Amp
Resistance (Ri): 0.016??
Sensored: No
Shaft Size: 6mm
Shaft Length: 3.1 in (80mm)
Size: Equivalent to or exceeding the power of a 50- to 55-size 2-stroke radiance engine
Type: Brushless Outrunner
Voltage: 14.8V-22.2V
Weight: 12.2 oz (346 g)