Cobra C-3515/12 Brushless Motor, Kv=1100
Cobra C-3515/12 Brushless Airplane Motor
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
● Three female 3.5mm bullet connectors
● Three pieces of heat-shrink tubing test
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 |
