Great Planes Rimfire Outrunner Brushless Motor 1.20 50-65-450 GPMG4770

Great Planes Rimfire Outrunner Brushless Motor 1.20 50-65-450 GPMG4770
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Expected Thu, May 27, 2021
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Price: $147.99
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This is the Great Planes Rimfire 1.20 50-65-450 Outrunner Brushless Motor. The Great Planes RimFire motors have revolutionized brushless outrunner technology! The combination of competitive price and superior performance makes these power plants a remarkable value. Equip your airplane with a Great Planes RimFire, and watch it reach new heights!


  • Double shielded bearings
  • Two year quality guarantee (through the manufacturer)
  • Virtually maintenance-free; no commutators or brushes to wear out
  • For Sport airplanes up to 14.5lbs (6520g) and 3D airplanes up to 9lbs (4080g)
  • Lightened aluminum can houses high torque rare earth Neodymium magnets
  • Designed for explosive acceleration and maximum torque eliminating the need for a gearbox

Outrunner Prop Adapter GPMQ4909
Outrunner Motor Mount GPMG1210
Great Planes ElectriFly RimFire 1.20 50-65-450 Brushless Outrunner Electric Motor

Propeller: 16x8 - 18x8E
Brushless Motor-compatible 80A Electronic Speed Control


Motor Diameter: 2.0" (50mm)
Motor Length: 2.6" (61.5mm)
Shaft Diameter: .32" (8mm)
Shaft Length: .79" (20mm)
Lead Length: 3" (76mm)
Connectors: Bullet type, .16" (4mm) diameter
Max. Constant Current: 50A
Max. Surge Current: 80A
Max. Constant Watts: 1480W
Burst Watts: 2360W
No Load Current: 2.3A
Input Voltage: 18.5-22.1V (5-6S LiPo)
RPM/V (kV Rating): 450
Weight: 14.1oz (400g)

This product is expected to become available for purchase on Thursday, May 27, 2021

Verified Owner
Saturday, Oct 31 2015 (about 5 years ago)
Great Planes Electrifly RimFire 1.20 50-65-450 Brushless Outrunner Motor (450kV)
motor worked great this is my motor place for ever
best service #############1