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Great Planes - GPMG5140   735557351403 0735557351403
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Great Planes Ammo 20-40-3500 In-Runner Brushless Motor
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Great Planes Ammo 20-40-3500 In-Runner Brushless Motor
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Instruction Manuals: Manual 1 (441 KB)
Parts Saver Eligible:Yes

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Tech Notes
This is the Great Planes ElectriFly Ammo
20-40-3500kV Brushless In-Runner Electric Motor.


Brushless, slotless Ammo In-Runner Motors offer an incredible power-
to-weight advantage and almost twice the efficiency of Brushed
Ideal for direct or gear drive use
Up to 89% efficient and virtually maintenance-free; no brushes to
wear out
Powered by "rare earth" Neodymium magnets for high torque and
unmatched heat resistance
Pre-installed gold plated connectors for plug and play operation
when used with compatible ElectriFly Silver Series Brushless speed
Double sealed bearings
Two year warranty


Great Planes ElectriFly Ammo 20-40-3500kV Brushless Electric Motor
with connectors and four M2x5 machine screws


Installing in model and connecting to speed control
Propeller, suggested sizes are 10x4.5S-12x8S


Motor Diameter: .787" (20mm)
Motor Length: 1.57" (40mm)
Shaft Diameter: .079" (2mm)
Shaft Length: .413" (10.5mm)
kV Rating: 3500 rpm/V
Weight: 2.3oz (65g)
Input Voltage: 7.4-11.1V
Max. Constant Current: 12A
Max. Surge Current: 25A
Max. Constant Watts: 133W
No Load Current: 1A

jxs 2/23/06

– If you need more information, use these Great Planes resources –
Click Here: Manufacturer's Product Web Page
Email: airsupport@greatplanes.com
Web Site: http://www.greatplanes.com/
Phone: 217-398-8970
  Postal Address:
Great Planes

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Parts Compatibility
Parts Compatibility for Great Planes Ammo 20-40-3500 In-Runner Brushless Motor
This item is a replacement part for the following:
 LXRXJ4 Great Planes Synapse EDF ARF w/Hyperflow Fan 26.5"  (Parts List)

This item is an optional part for the following:
 LXSMM2** Hobbico Flyzone Diablo EDF Jet Trainer 4Ch RTF 40.25"  (Parts List)

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