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Turnigy Aerodrive SK3 - 2122-1800KV Brushless Outrunner Motor

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Turnigy Aerodrive SK3 - 2122-1800KV 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: 7T
Voltage: 2~3S Lipoly
RPM/V: 1800KV
Internal resistance: 0.16 Ohm
Max Loading: 7A
Max Power: 55W
Shaft Dia: 2.0mm
Weight: 23g
Motor Plug: 2mm Bullet Connector

  • Kv(rpm/v) 1800.00
  • Max Current (Motor) (A) 7.00
  • Resistance (mh) 0.00
  • Max Voltage (V) 11.00
  • Power (W) 55.00
  • Shaft A(mm) 2.00
  • Length B (mm) 24.00
  • Can Diameter C(mm) 21.00
  • Can Length D(mm) 22.00
  • Total Length E(mm) 28.00

Dimension Diagram Guide

  • attributeset-10


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MilanPastor | Verified Buyer

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Certified Buyer Rated

Aug 26, 2012

Dvouplopnk z EPP rozpt 500mm, vha 195g uveze pohodln s 2S LiPo a vrtul 8x4E.

steverb | Verified Buyer

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Customer Rated

May 20, 2012

Very small in size, includes 3 motor mounts & pre-soldered connectors .
Prop has to be connected with included prop saver. There is no other way to mount props as shafts do not extend past motor, so keep that in mind.

Jason | Verified Buyer

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Customer Rated

Mar 31, 2012

I just finished a rough static test on my bench here of my friend's SK3-2122-1800kv.

Overall, the motor is small, but packs a pretty big punch. Good solid feeling magnets. The only odd thing is the back of the motor has a screw and self-locking nut (the kind with nylon built into them to keep it from coming off). I'm not sure what that's all about, but the built in prop saver works fine. I didn't have to unscrew the set screws to get the o-ring on, but did have to stretch the o-ring to slip it under the screws. No biggie there.

As noted in the Discussion section, the best prop for 2S operation does appear to be an 8x4 which in my tests gave 230 grams of thrust @ 6.7 V, approx. 46 Watts input power, and approx. 7A input current.

I also tested using a 3S setup and for thrust, the best (of the props I had) was a 5.7x3 which yielded 157 g of thrust @ 4A, 50W, 12.3V.

Here's my numbers:
V : prop : Watts : Amps : Thrust
6.7 : 8x4 : 46 : 7 : 230 g
6.x : 7x6 : 54 : 7 : 215 g
6.0 : 6x5 : 41 : 6 : 153 g
12.25 : 5x5 : 70 : 5.6 : 75 g
12.3 : 5.7x3 : 50 : 4 : 157 g

**NOTE** the above numbers are _rough_ and not meant to be scientifically accurate! They are static and eyballed. Just to give you an idea of what one hobbiest has seen with this motor.

I hope someone finds these number useful. I like the motor. Would be good on a 100 - 150g plane I'd say... doing 3D. Or for sport

ahmad | Verified Buyer

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Customer Rated

Nov 08, 2011

this motor has extreme vertical climb power !!!!! i run on it 2s 20c 610mah rhino pack and it give me around 9 minutes of hard 3 d flying and i use 8x4 gws prop it has more power then original hacker but it drain the battery more then hacker motor but power is awsome!!!!!!! recommendo

Customer files
Prop mount done with 3D printer Download [24]
Drawing letter format 1:1 Download [24]
Drawing Download [58]
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