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RotorStar Brushless Outrunner Helicopter - 2839-1700kv (450 size heli)

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RotorStar Brushless Outrunner Helicopter - 2839-1700kv (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.

*This motor is the ideal choice for a 6S power system in your 450 class helicopter!


Turns: 10T
Voltage: 5-6S Lipoly
RPM/V: 1700kv
Motor Poles: 6
Internal resistance: 0.065 Ohm
Max Loading: 26A
Max Power: 540W
Shaft Diameter: 3.175mm
Shaft Length: 15.7mm
Screw Mounting Spacing: 16mm  (M3x4)
Weight: 79g
Motor Plug: 3.5mm Bullet Connector

  • Kv(rpm/v) 1700.00
  • Max Current (Motor) (A) 26.00
  • Resistance (mh) 0.00
  • Max Voltage (V) 22.00
  • Power (W) 540.00
  • 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 - 2839-1700kv
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LikarD | Verified Buyer

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  • Overall

Certified Buyer Rated

Dec 12, 2014

I use this on my HK450 pro converted to DFC and converted to slant gear using also helical pinion gear.

Motor is strong and on 6s is flying powerful and for my skils on 3D flying more than enough.


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