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RotorStar Brushless Outrunner Helicopter - 2839-2700kv (450 size heli)

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RotorStar Brushless Outrunner Helicopter - 2839-2700kv (450 size heli)

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RotorStar Series brushless motors offer the absolute best quality, performance and value for your high performance helicopter model. Each and every RotorStar motor is thoroughly inspected and tested to ensure the high efficiency and top performance required for meeting the demands of 3D helicopter pilots.
RotorStar Series motors are top quality brushless outrunners designed specifically for use in todays high performance helicopter models.
We instructed the engineers to source the best quality magnets, bearings and materials available to them and develop a motor that would not only rival, but surpass the quality of many leading motor manufacturers on the market today.
The result is an efficient, high caliber motor using quality double shielded bearings, sintered Neodymium magnets and a string wound stator ensuring an accurate and consistent winding each and every time.
The RotorStar motors are suited to modelers who are seeking a top quality brushless helicopter motor without compromise.

*Perfect for HK450/Trex 450/Rave 450/Beam E4/Blade 450 or any other 450 size helicopter.

Turns: 13T Delta
Voltage: 4S Lipoly
RPM/V: 2700kv
Motor Poles: 6
Internal resistance: 0.029 Ohm
Max Loading: 40A
Max Power: 550W
Shaft Diameter: 3.175mm
Shaft Length: 15.7mm
Screw Mounting Spacing: 16mm (M3x4)
Weight: 80g
Motor Plug: 3.5mm Bullet Connector

  • Kv(rpm/v) 2700.00
  • Max Current (Motor) (A) 40.00
  • Resistance (mh) 0.00
  • Max Voltage (V) 15.00
  • Power (W) 550.00
  • Shaft A(mm) 3.18
  • Length B (mm) 39.00
  • Can Diameter C(mm) 28.00
  • Can Length D(mm) 24.00
  • Total Length E(mm) 54.00

Dimension Diagram Guide

  • attributeset-10


  • RotorStar Brushless Outrunner Helicopter - 2839-2700kv
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G | Verified Buyer

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Good little

Oct 05, 2019

The best 450 heli motor for less then $20

andreas..k | Verified Buyer

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Certified Buyer Rated

Nov 19, 2014

Upgrade to SK3 T450-2700, winding is much tighter (added a pic), advanced Bearing, very well balanced rotor. 40 A with good cooling, 8sec peak 57 A

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