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Turnigy Aerodrive SK3 2118-3100KV Brushless Outrunner Motor

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Turnigy Aerodrive SK3 2118-3100KV Brushless Outrunner Motor


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Turnigy SK3 brushless motors are yet another step forward in motor evolution. Once again we instructed our engineers to develop a motor that would not only rival but surpasses the quality of the leading motors on the market today using the best quality magnets, bearings and materials available.

The result is an outstanding series of motors that are efficient, strong and robust enough for the most discerning modeler.

All of the SK3 series use quality double shielded bearings, sintered Neodymium magnets (the strongest type of permanent magnet commercially available) and a string wound stator to ensure an accurate and consistent winding each and every time.

The Turnigy SK3 motors are suited to modelers who are seeking a top quality brushless motor without compromise.

• Double shielded bearings
• Sintered neodymium magnets
• String wound stator
• High quality finish
• Super-smooth operation

Voltage: 8.4V (2S LiPoly)
RPM/V: 3100KV 
Max Power: 42W
Max current: 5A
Idle current: 0.18A
Resistance: 0.018 Ohm
Shaft: 2mm
Bolt holes spacing: 14 x 14mm
Bolt thread: M2
Plug: 2mm Bullet
Suggested ESC: 6A
Motor dimensions: 21 x 18mm
Weight: 16g

Mount & screws
Prop adapter

  • Kv(rpm/v) 3100.00
  • Max Current (Motor) (A) 5.00
  • Resistance (mh) 125.00
  • Max Voltage (V) 12.00
  • Power (W) 39.00
  • Shaft A(mm) 2.00
  • Length B (mm) 19.00
  • Can Diameter C(mm) 21.00
  • Can Length D(mm) 18.00
  • Total Length E(mm) 31.00

Dimension Diagram Guide

  • attributeset-10


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oke | Verified Buyer

  • Overall
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Nov 05, 2021


RS | Verified Buyer

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small engine

Oct 21, 2021

Nice motor for my antique model class E30´´.The model, 160g, rises upwards at an angle of 60 ° with 2 cells Lipo.

Chuck Lambson | Verified Buyer

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Perfectly Satisfied with this motor, the mount could be improved

Feb 04, 2021

Beautiful little 5 amp motor. Pushes my park flyer wing great with a 2S battery and 6 amp speed controller. I am using a 5 inch prop and there is plenty of thrust for aerobatics. The only negative is with the motor mount that was provided. It fastens to the back of the motor with two very tiny screws. It would have been better to use 4 screws and perhaps a size larger. They have already vibrated loose once even with locktite on the threads. I have now put superglue on the threads and hope it will hold.

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