Cobra C-2203/52 Brushless Motor, Kv=1540

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Cobra C-2203/52 Brushless Airplane Motor

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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 sides, with separate compartments to protect the motor and accessory pack.

The Cobra 2203 series motors have a 3.0mm 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. Since these motors are typically soldered directly to the speed controller to save weight, the 2203 motors come without bullet connectors and feature pre-tinned motor leads. These motors also have a cross mount built right into the back plate for easy installation on your model.

Included with every Cobra 2203 Series Motor is a complete accessory package which contains the following items:

● Four M2x8mm Motor Mount Screws
● O-ring prop adapter with 2 screws
● 20mm dia. x 2mm O-Ring

The O-Ring prop adapter is a reversible unit with a 5.5mm centering ring on one side to fit GWS Slow-Fly props, and a 7.0mm centering ring on the other side to fit GWS DD series props. With the proper center hole adapter ring, GWS Slow-Fly props and other brands will also fit perfectly on the prop adapter.

Click here for the Cobra C-2203/52 Propeller Data Chart

Cobra 2203/52 Motor Specifications
 Stator Diameter 22.0 mm (0.866 in)
 Stator Thickness 3.0 mm (0.118 in)
 Number of Stator Slots 12
 Number of Magnet Poles 14
 Motor Wind 52 Turn Delta
 Motor Kv Value 1540 RPM per Volt
 No Load Current (Io) 0.36 Amps @ 8 Volts
 Motor Resistance (Rm) per Phase 0.357 Ohms
 Motor Resistance (Rm) Phase to Phase 0.238 Ohms
 Maximum Continuous Current 7.0 Amps
 Max Continuous Power (2-cell Li-Po) 55 Watts
 Max Continuous Power (3-cell Li-Po) 80 Watts
 Motor Weight 17.5 grams (0.62 oz.)
 Outside Diameter 26.8 mm (1.055 in.)
 Shaft Diameter 3.00 mm (0.118 in.)
 Motor Body Length 11.4 mm (0.449 in.)
 Overall Shaft Length 19.6 mm (0.772 in.)
 Motor Timing 5-10 degrees
 PWM Frequency 8 KHz

Front View

Items Included in Hardware Package

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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