Cobra C-2826-EF1-SS Brushless Motor, Kv=1200

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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 2826 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 Cobra C-2826-EF1 motor was developed for Electric Pylon Racing, and has been accepted as a certified motor by the EF1 Competition racing committee. This specific model has a stock motor shaft in it that sticks out the back of the motor for pilots that want to reverse mount the motor and use a collet style prop adapter or spinner. This also allows you to mount the motor in a pusher configuration on an FPV Racing Wing type aircraft.

The Kv value of this motor is optimized for use with an APC 8x8-E prop running on a 4-cell Li-Po battery pack, as stated in the EF1 Racing Rules. The rear shaft on this motor is cut shorter than the standard Cobra 2826 motors. There is just enough protruding to use the optional shaft retaining collar, for additional security on the motor shaft, with none extra protruding into the battery compartment of your model.

Included with every Cobra 2826 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 the Cobra C-2826-EF1 Propeller Data Chart

Cobra 2826/8 Motor Specifications
 Stator Diameter 28.0 mm (1.102 in)
 Stator Thickness 26.0 mm (1.024 in)
 Number of Stator Slots 12
 Number of Magnet Poles 14
 Motor Wind 7 Turn Delta
 Motor Kv Value 1200 RPM per Volt
 No Load Current (Io) 3.23 Amps @ 15 Volts
 Motor Resistance (Rm) per Phase 0.033 Ohms
 Motor Resistance (Rm) Phase to Phase 0.022 Ohms
 Maximum Continuous Current 68 Amps
 Max Continuous Power (3-cell Li-Po) 750 Watts
 Max Continuous Power (4-cell Li-Po) 1020 Watts
 Motor Weight 176 grams (6.21 oz.)
 Outside Diameter 35.0 mm (1.378 in.)
 Shaft Diameter 5.00 mm (0.197 in.)
 Motor Body Length 46.0 mm (1.811 in.)
 Overall Shaft Length 52.0 mm (2.047 in.)
 Motor Timing 5-15 degrees
 PWM Frequency 8 KHz


With APC 8x6-E prop on 4 Li-Po cells:

Volts - 15.0
Amps - 54.8
Watts - 822
RPM - 14,700
Thrust - 1904 grams, 67.2 ounces
Pitch Speed - 84 MPH

With APC 8x8-E Prop on 4 Li-Po cells

Volts - 15.0
Amps - 67.3
Watts - 1010
RPM - 13,960
Thrust - 1750 grams, 61.7 ounces
Pitch Speed - 106 MPH

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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