Cobra C-2221/10 Brushless Motor, Kv=1500

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Cobra C-2221/10 Brushless Motor, Kv=1500

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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-2221/10 Propeller Data Chart

Cobra C-2221/10 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  10 Turn Delta
 Motor Kv Value  1500 RPM per Volt
 No Load Current (Io)  1.38 Amps @ 12Volts
 Motor Resistance (Rm) per Phase  0.055 Ohms
 Motor Resistance (Rm) Phase to Phase  0.037 Ohms
 Maximum Continuous Current  38 Amps
 Max Continuous Power (3-cell Li-Po)  420 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.

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