Cobra C-2820/8 1450Kv Brushless Motor

$42.95
In stock
SKU
C-2820-8
Cobra C-2820/ 8 Brushless Motor. 55A, 610watts on 3S, 810watts on 4S, 1450Kv
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 2820 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.

Included with every Cobra 2820 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 theaded prop adapter with 3 screws
● Retaining Collar with Set Screw
● Three female 3.5mm bullet connectors
● Three pieces of heat-shrink tubing


Click here for Cobra C-2820/8 Propeller Data Chart


Cobra 2820/8 Motor Specifications
Stator Diameter 28.0 mm (1.102 in)
Stator Thickness 20.0 mm (0.787 in)
Number of Stator Slots 12
Number of Magnet Poles 14
Motor Wind 8 Turn Delta
Motor Kv Value 1450 RPM per Volt
No Load Current (Io) 2.50 Amps @ 10 Volts
Motor Resistance (Rm) per Phase 0.030 Ohms
Motor Resistance (Rm) Phase to Phase 0.020 Ohms
Maximum Continuous Current 55 Amps
Max Continuous Power (3-cell Li-Po) 610 Watts
Max Continuous Power (4-cell Li-Po) 810 Watts
Motor Weight 139 grams (4.90 oz.)
Outside Diameter 35.0 mm (1.378 in.)
Shaft Diameter 5.00 mm (0.197 in.)
Motor Body Length 40.0 mm (1.575 in.)
Overall Shaft Length 60.0 mm (2.362 in.)
Motor Timing 5-10 degrees
PWM Frequency 8 KHz
More Information
Select Label Use General Config
MPN C-2820-8
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