Description
INDC-2221-16 Cobra C-2221/16 940kv Brushless Motor
Cobra C-2221/16 940kv Brushless 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 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.
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 | 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 |
Manuals:
Additional Information
Motor Kv: |
501 to 1,000Kv |
Motor ESC Amps: |
15 to 34A |
Motor Voltage: |
7.4 to 14.7V |
Motors: |
Motor |
