Cobra C-2814/8 Brushless Motor, Kv=1850

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Cobra Brushless motors offer the perfect blend of Power, Durability and Value for your model aircraft. Featuring over-sized bearings and robust construction, these high-quality motors offer exceptional performance for R/C, Control-line and Free-Flight applications.

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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 2814 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.

The C-2814/8 motor has been specifically designed for high speed applications, such as FPV Wing Racing. This motor has larger lead wires than the rest of the 2814 motors, to be able to handle the higher currents that the motor is capable of. Due to the high speed operation of this motor, we do not recommend that you use it with the regular Cobra speed controllers. Instead, we recommend that it be used with the Cobra Wing Series speed controllers.

Included with every Cobra 2814 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 4 screws
● Retaining Collar with Set Screw
● Three female 3.5mm bullet connectors
● Three pieces of heat-shrink tubing

Click here for Cobra C-2814/8 Propeller Data Chart

Cobra 2814/8 Motor Specifications
 Stator Diameter 28.0 mm (1.102 in)
 Stator Thickness 14.0 mm (0.551 in)
 Number of Stator Slots 12
 Number of Magnet Poles 14
 Motor Wind 8 Turn Delta
 Motor Kv Value 1850 RPM per Volt
 No Load Current (Io) 3.71 Amps @ 10 Volts
 Motor Resistance (Rm) per Phase 0.024 Ohms
 Motor Resistance (Rm) Phase to Phase 0.016 Ohms
 Maximum Continuous Current 60 Amps
 Max Continuous Power (3-cell Li-Po) 660 Watts
 Max Continuous Power (4-cell Li-Po) 890 Watts
 Motor Weight 107 grams (3.77 oz.)
 Outside Diameter 35.0 mm (1.378 in.)
 Shaft Diameter 5.00 mm (0.197 in.)
 Motor Body Length 34.4 mm (1.354 in.)
 Overall Shaft Length 54.0 mm (2.126 in.)
 Motor Timing 5-10 degrees
 PWM Frequency 8 KHz

Cobra Motor Packaging

Package Interior

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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