Cobra C-2221/16 Brushless Motor, Kv=940
Cobra C-2221/16 Brushless Motor, Kv=940
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 2221 series motors have a 0.157 inch (4.00mm) shaft for extra strength, as well as oversize ball bearings to support the shaft and provide a long life. 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.
To complete the package, a complete hardware accessory kit is included with every Cobra Motor. Included in this hardware kit are the following items:
● Heavy Duty 3mm Thick Cross Style Motor Mount
● Four M3x6mm Motor Mount Screws
● Bolt-On style threaded prop adapter with 4 screws
● Three female 3.5mm bullet connectors
● Three pieces of heat-shrink tubing
Click here for Cobra C-2221/16 Propeller Data Chart
| Cobra C-2221/16 Motor Specifications | |
|---|---|
| Stator Diameter | 22.0 mm (0.866 in) |
| Stator Thickness | 21 mm (0.827in) |
| Number of Stator Slots | 12 |
| Number of Magnet Poles | 14 |
| Motor Wind | 16 Turn Delta |
| Motor Kv Value | 940 RPM per Volt |
| No Load Current (Io) | 0.75 Amps @ 12 Volts |
| Motor Resistance (Rm) per Phase | 0.126 Ohms |
| Motor Resistance (Rm) Phase to Phase | 0.084 Ohms |
| Maximum Continuous Current | 25 Amps |
| Max Continuous Power (3-cell Li-Po) | 280 Watts |
| Motor Weight | 88.0 grams (3.10 oz.) |
| Outside Diameter | 27.7 mm (1.091 in.) |
| Shaft Diameter | 4.00 mm (0.157 in.) |
| Motor Body Length | 37 mm (1.457 in.) |
| Overall Shaft Length | 54.0 mm (2.126 in.) |
| Motor Timing | 5-10 degrees |
| PWM Frequency | 8 KHz |
For more information about this product and the rest of the Cobra Motors product line, please check out the Cobra Brushless Motors web site.
