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Turnigy Aerodrive SK3 - 2118-2750KV Brushless Outrunner Motor

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Turnigy Aerodrive SK3 - 2118-2750KV Brushless Outrunner Motor


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Turnigy SK3 Motors are the next leap forward in motor quality and design. 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 surpasses 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 Turnigy SK3 motors are suited to modelers who are seeking a quality brushless motor without compromise.

Turns: 9T
Voltage: 2~3S Lipoly
RPM/V: 2750KV
Internal resistance: 0.22 Ohm
Max Loading: 5A
Max Power: 39W
Shaft Dia: 2.0mm
Weight: 17g
Motor Plug: 2mm Bullet Connector

  • Kv(rpm/v) 2750.00
  • Max Current (Motor) (A) 5.00
  • Resistance (mh) 220.00
  • Max Voltage (V) 11.00
  • Power (W) 39.00
  • Shaft A(mm) 2.00
  • Length B (mm) 21.00
  • Can Diameter C(mm) 21.00
  • Can Length D(mm) 18.00
  • Total Length E(mm) 25.00

Dimension Diagram Guide

  • attributeset-10


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Daniel | Verified Buyer

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Jul 30, 2017

High quality motor with high power with 3s and 5x4 prop. Little bit problem with O rings because is impossible to assembly them - is not space beetween motor and heads of screws. If you assembly them than is O ring little bit damaged by head of screw and after swith on the power of motor propeller left motor because O ring will tear. I used rubber to ladies hair and all working perfect.

insaneRC | Verified Buyer

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Customer Rated

Dec 29, 2014

I have one of these on a racing plane of mine, I run it on 4s with a 4.7x4 prop. It puts out about 280-300grams thrust, and the plane pushes 120mph. When I land, the motor is just barely warm. Over all this motor is good deal, I think you will not be disappointed. You can also run a 5x5 on 3s, or a 6x4 on 2s.

rappa | Verified Buyer

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Certified Buyer Rated

Mar 06, 2014

godd motor!! hobbyking !!!

bstarkey54 | Verified Buyer

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Customer Rated

Feb 10, 2014

About 10 people in my club use these motors and they are great!!! We use a 460 to 760 3 cell with no more than a 5 X 4.3 prop. We have put these on our Bonsai's and they just scream. Vertical until out of sight. They put out considerably more watts that that listed. We use the 15 - 18 A ESC's. Prettiest motor around and they scream. Lots of fun.

Yuto Kang | Verified Buyer

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Customer Rated

Apr 01, 2012

I mounted on of these on a 17" F-22 Raptor that I built from foam board. Using a 4045 prop, this F-22 screams on a 3 cell Lipo.
The Raptor with battery is just under 220 gr. and this little motor takes it our of site almost faster than you can cut back on the throttle. Very pleased with the motor and will definitely be order more for other foamies.
While a lot of the other motors seem to have problems with wires breaking or bearing, this motor is built as advertised. It's made really well and out-performs the other little motors of similar size. You won't be disappointed.

SomeUselessGeek | Verified Buyer

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Customer Rated

Feb 11, 2012

39 watts?!? They have GOT to be kidding. Last night I ran one of these motors on a HK EPO Park Jet for four minutes at OVER 100 WATTS. Way more power than I can get out of any other motor this size. At the end of a five minute session (mostly WOT) the motor was barely warm to the touch. Hopefully somebody with some instruments can measure the actual efficiency of this motor and put some numbers down here.

This is my new favorite line of motors.

iacei | Verified Buyer

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Customer Rated

Oct 27, 2011

Very nice powerfull motor on 3S with a 5x4 it rips the lamas ass!

Very good for my fox, even a bit overpowered.

Watch for the Amps though I would suggest a 12A ESC minimum.

Customer files
MotorData(SK3_sv_1811).pdf Download [365]
Drawing Download [87]
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