Orders shipped Monday-Friday from Arcadia, California.

Cobra C-2221/8 Brushless Motor, Kv=1860

Your Price: $32.99
In Stock.
Part Number:CM-2221/8
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 3 screws
- Retaining Collar with Set Screw
- Three female 3.5mm bullet connectors
- Three pieces of heat-shrink tubing


Cobra C-2221/8 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: 8 Turn Delta
 Motor Kv Value: 1860 RPM per Volt
 No Load Current (Io): 1.59 Amps @ 8 Volts
 Motor Resistance (Rm) per Phase: 0.049 Ohms
 Motor Resistance (Rm) Phase to Phase: 0.033 Ohms
 Maximum Continuous Current: 45 Amps
 Max Continuous Power (3-cell Li-Po): 500 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

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