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Power 160 Brushless Outrunner Motor, 245Kv: 4mm Bullet

Item No.
E-flite - EFLM4160A
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Product $172.99
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Estimated Total: $172.99
Estimated Total: $172.99
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The Power 160 is designed to deliver clean and quiet power equivalent to or surpassing the power of a 160-size 2-stroke glow engine for sport and scale airplanes weighing 12 to 20 pounds (5.4 to 9 kg), 3D airplanes up to 15 pounds (6.8 kg), or models requiring up to 2700 watts of power.

It provides excellent power for the popular 27% scale aerobatic models such as the Hangar 9 Extra 260, scale performance for the Hangar 9 P-47D Thunderbolt 150 ARF, and extreme performance for models like the famous Ultra Stick Lite.

Needed To Complete

75A-110A HV brushless ESC
9Sā€“10S Li-Po or 28- to 32-cell Ni-MH/Ni-Cd
18x8 to 20x10 prop

Key Features

  • Equivalent to or surpassing the power of a 160-size, 2-stroke, glow engine for 12ā€“20 lb (5.4ā€“9 kg) airplanes
  • Ideal for 3D airplanes up to 15 lb (6.8 kg)
  • High-torque alternative to inrunner brushless motors
  • Includes mount and mounting hardware
  • External rotor design for better cooling
  • High-quality construction with ball bearings and hardened 8mm steel shaft
  • Includes two 12mm prop shaft adapters tapped out for 10ā€“32 threads
  • Ideal for models requiring up to 2700 watts of power
  • Slotted 14-pole outrunner design

Product Specs

Wire Gauge
13 AWG
Motor Design
Motor Type
Recommended Prop Range
18x8 to 20x10
Shaft Diameter
8mm (.30 in) (Includes two 12mm threaded prop shaft adapters with 1.5 pitch)
Bushing Or Bearing
Adjustable Timing
Idle Current (Io)
1.45A @ 10V
RPM/Volt (Kv)
Connector Type
4mm Bullet


It would depend somewhat on the application, whether a sport, scale or aerobatic model. The general rule for three-bladed propeller sizing is to reduce the diameter by one inch, and retain the pitch of the two-blade prop that is suitable. So an 18x10 2-blade would become a 17x10 3 blade.