Description
INDC-3520-12 Innov8tive Designs Cobra 3520-12 820 KV
Cobra Brushless Motors offer performance and value for Sport Flyers and Competition pilots alike. They are built from high quality components, and are designed to give years of top-level performance. All Cobra Motors are shipped in a custom designed package that features protective foam on all six sides of the box, with 3 separate compartments to protect the motor, accessory pack and cross mount.
The Cobra 3520 series motors have a 5mm shaft for extra strength, as well as oversize ball bearings to support the shaft and provide a long life. The internal bearing measures 11mm x 5mm x 5mm and the outer bearing measures a massive 16mm x 5mm x 5mm! The stators are made with 0.20mm laminations for maximum efficiency and minimum Eddy Current losses. Also included on the motor are ultra-flexible motor leads with high-temp silicone rubber insulation and 3.5mm bullet connectors already installed
Includes:
Heavy Duty 3mm Thick Cross Style Motor Mount
Four M3x6mm Motor Mount Screws
Bolt-On style threaded prop adapter with 3 screws
Retaining Collar with Set Screw
Three female 3.5mm bullet connectors
Three pieces of heat-shrink tubing
Technical Specifications:
Stator Diameter: 35.0 mm (1.378 in)
Stator Thickness: 20.0 mm (0.787 in)
Number of Stator Slots: 12
Number of Magnet Poles: 14
Motor Wind: 12 Turn Delta
Motor Kv Value: 820 RPM per Volt
No Load Current: (Io) 1.45 Amps @ 14 Volts
Motor Resistance: (Rm) per Phase 0.039 Ohms
Motor Resistance: (Rm) Phase to Phase 0.026 Ohms
Maximum Continuous Current : 56 Amps
Max Continuous Power: (3-cell Li-Po) 620 Watts
Max Continuous Power: (4-cell Li-Po) 830 Watts
Max Continuous Power: (5-cell Li-Po) 1040 Watts
Motor Weight: 216 grams (7.62 oz.)
Outside Diameter: 43.0 mm (1.693 in.)
Shaft Diameter : 5.00 mm (0.197 in.)
Motor Body Length: 46.0 mm (1.811 in.)
Overall Shaft Length: 68.0 mm (2.677 in.)
Motor Timing: 5-10 degrees
PWM Frequency: 8 KHz
Manuals:
Additional Information
Motor Kv: |
501 to 1,000Kv |
Motor ESC Amps: |
35 to 59A |
Motor Voltage: |
14.8 to 22.1V |
Motors: |
Motor |