This is the Great Planes ElectriFly Ammo 28-35-3900kV Brushless In-Runner Electric Motor.
Features:
- Brushless, slotless Ammo In-Runner Motors offer an incredible power-to-weight advantage and almost twice the efficiency of Brushed motors
- 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 controls
- Double sealed bearings
- Two year warranty
Includes:
Great Planes ElectriFly Ammo 28-35-3900kV Brushless Electric Motor with connectors and four M3x5 machine screws
Requirements
Installing in model and connecting to speed control
Propeller, suggested sizes are 10x7E-14x7E
Specifications:
- Motor Diameter: 1.1" (28mm)
- Motor Length: 1.378" (35mm)
- Shaft Diameter: .126" (3.2mm)
- Shaft Length: .591" (15mm)
- kV Rating: 3900 rpm/V
- Weight: 3.3oz (94g)
- Input Voltage: 7.4-11.1V
- Max. Constant Current: 22A
- Max. Surge Current: 45A
- Max. Constant Watts: 244W
- No Load Current: 1.8A