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Pulso Xseries Specs
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Cobra C-3515-18
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In Stock
Item Number: C-3515-18
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Cobra C-3515-18 Brushless Motor, Kv=740
The Cobra 3515 series motors have a 5.0mm 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.
To complete the package, a complete hardware accessory kit is included with every Cobra Motor. Included in this hardware kit are 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
Cobra C-3515/18 Motor Specifications
Stator Diameter ................................... 35.0 mm (1.378 in)
Stator Thickness .................................. 15.0 mm (0.591 in)
No. of Stator Arms ....................................................... 12
No. of Magnet Poles ...................................................... 14
Motor Wind .................................................. 18 Turn Delta
Motor Kv .................................................... 740 RPM / Volt
No-Load Current (Io) ........................ 1.01 Amps @ 14 Volts
Motor Resistance (Rm) Per Phase ..................... 0.065 Ohms
Motor Resistance (Rm) Phase to Phase ............. 0.043 Ohms
Max Continuous Current ....................................... 36 Amps
Max Continuous Power on 3S Li-Po ...................... 400 Watts
Max Continuous Power on 4S Li-Po ...................... 530 Watts
Max Continuous Power on 5S Li-Po ...................... 660 Watts
Max Continuous Power on 6S Li-Po ...................... 790 Watts
Weight ............................................... 178 Grams (6.28 oz)
Outside Diameter .................................. 43.0 mm (1.693 in)
Shaft Diameter ..................................... 5.00 mm (0.197 in)
Body Length ......................................... 41.0 mm (1.614 in)
Overall Shaft Length .............................. 63.0 mm (2.480 in)
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