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Cobra C-3515/12 Brushless Motor, Kv=1100

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Your Price: $51.99
In Stock.
Part Number:CM-3515/12
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 3515 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.

Included with every Cobra 3515 Series Motor is a complete accessory package which contains the following items:

- 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


Click here for the Cobra C-3515/12 Propeller Data Chart


Cobra 3515/12 Motor Specifications
 Stator Diameter: 35.0 mm (1.378 in)
 Stator Thickness: 15.0 mm (0.591 in)
 Number of Stator Slots: 12
 Number of Magnet Poles: 14
 Motor Wind: 12 Turn Delta
 Motor Kv Value: 1100 RPM per Volt
 No Load Current (Io): 1.64 Amps @ 10 Volts
 Motor Resistance (Rm) per Phase: 0.036 Ohms
 Motor Resistance (Rm) Phase to Phase: 0.024 Ohms
 Maximum Continuous Current: 45 Amps
 Max Continuous Power (3-cell Li-Po): 500 Watts
 Max Continuous Power (4-cell Li-Po): 670 Watts
 Max Continuous Power (5-cell Li-Po): 830 Watts
 Motor Weight: 178 grams (6.28 oz.)
 Outside Diameter: 43.0 mm (1.693 in.)
 Shaft Diameter: 5.00 mm (0.197 in.)
 Motor Body Length: 41.0 mm (1.614 in.)
 Overall Shaft Length: 63.0 mm (2.480 in.)
 Motor Timing: 5-10 degrees
 PWM Frequency: 8 KHz

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