Cobra C-4130/16 390KV, Brushless Airplane Motor – Drone.Parts Store
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Cobra C-4130/16 390KV, Brushless Airplane Motor

  • $87.99
  • Amazon Only

Brand: Cobara


  • Stator Diameter 41.0 mm (1.614 in) Stator Thickness 30.0 mm (1.181 in)
  • Number of Stator Slots 12 Number of Magnet Poles 14 Motor Wind 16 Turn Delta
  • Motor Kv Value 390 RPM per Volt No Load Current (Io) 1.12 Amps @ 20 Volts Motor Resistance (Rm) per Phase 0.048 Ohms Motor Resistance (Rm) Phase to Phase 0.032 Ohms
  • Maximum Continuous Current 55 Amps Max Continuous Power (5-cell Li-Po) 1020 Watts Max Continuous Power (6-cell Li-Po) 1220 Watts Max Continuous Power (8-cell Li-Po) 1630 Watts
  • Motor Weight 396 grams (13.97 oz.) Outside Diameter 49.8 mm (1.961 in.) Shaft Diameter 6.00 mm (0.236 in.) Motor Body Length 61.8 mm (2.433 in.) Overall Shaft Length 84.5 mm (3.327 in.) Motor Timing 5-10 degrees PWM Frequency 8 KHz

Publisher: Cobra

Details: The Cobra 4130 series motors have a 6.0mm shaft for extra strength, as well as oversize ball bearings to support the shaft and provide a long life. There are two internal bearing measure 12mm x 6mm x 4mm and the outer bearing measures a massive 17mm x 6mm x 6mm! 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 4.0mm bullet connectors already installed. ● Heavy Duty 3mm Thick Cross Style Motor Mount ● Four M4x8mm Motor Mount Screws ● Bolt-On style threaded prop adapter with 8mm shaft and M8x1.0mm thread ● 3 Prop Adapter retaining screws ● Retaining Collar with Set Screw ● Three female 4.0mm bullet connectors ● Three pieces of heat-shrink tubing

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