E-flite (EFLM4090A) Power 90 Outrunner 325Kv

Designed to deliver clean and quiet power equivalent to or surpassing the power of a 90-size 2-stroke glow engine for sport and scale aircraft weighing 8 to 13 pounds (3.6 to 5.9 kg), 3D aircraft up to 10 pounds (4.5 kg), or models requiring up to 1800 watts of power.

Specifications

• Type: Brushless outrunner motor
• Size: Equivalent to or surpassing the power of a 90-size 2-stroke glow engine
• Bearings or Bushings: One 6 x 19 x 6mm Bearing, and One 6 x 15 x 5mm Bearing
• Recommended Prop Range: 16x8 to 18x8
• Voltage: 21.6–31.2V
• RPM/Volt (Kv): 325Kv
• Resistance (Ri): .02 ohms
• Idle Current (Io): 2.00A @ 10V
• Continuous Current: 50A
• Maximum Burst Current: 65A (15 sec.)
• Cells: 6S–8S Li-Po or 18–26 Ni-MH/Ni-Cd
• Speed Control: 85A High Voltage Brushless
• Weight: 450 g (15.8 oz)
• Overall Diameter: 56mm (2.20 in)
• Shaft Diameter: 6mm (.24 in) (Includes two 10mm threaded prop shaft adaptors with 1.5 pitch)
• Overall Length: 52mm (2.00 in)

Features

• Ideal for 3D aircraft weighing up to 10 lb (4.5 kg)
• Ideal for models requiring up to 1800 watts of power
• High torque, direct drive alternative to inrunner brushless motors
• External rotor design for better cooling
• High-quality construction with ball bearings and hardened 6mm steel shaft
• Slotted 14-pole outrunner design

Includes mount and mounting hardware with two 10mm prop shaft adaptors tapped out for 8-32 threads