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Turnigy XK2858-2900KV Brushless Inrunner

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Turnigy XK2858-2900KV Brushless Inrunner


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TURNIGY XK motors are without question one of the best motors on the market today. It all starts in our very own factory where we install precision bearings, correctly rated magnets, balanced rotors, tool-steel shafts and stators that are wound by hand. We rigorously test each and every component at 14 critical points during construction, testing everything from materials all the way through to final performance tests.

Because we design and build these motors completely in-house we control the production and ensure product consistency from design right through to shipping. We removed the middle-man to bring you factory prices while not sacrificing quality or performance. 

• Hand-wound for maximum copper fill.
• Precision-balanced rotor will boost the efficiency and power performance of the motor.
• Nickel-plated sintered neodymium rotor for maximum motor acceleration, braking power and performance in high-temperature conditions.

Size: XK2858-2900KV
Poles: 4
KV: 2900
Max Current: 43A
Max Voltage: 21V/5S Lipo
Case Length: 58mm
Case Dia: 28mm
Shaft Dia: 3.175mm
Total Length: 70mm
Weight: 160g

  • Kv(rpm/v) 2900.00
  • Max Current (Motor) (A) 58.00
  • Resistance (mh) 0.00
  • Max Voltage (V) 23.00
  • Power (W) 1334.00
  • Shaft A(mm) 3.18
  • Length B (mm) 58.00
  • Can Diameter C(mm) 28.00
  • Can Length D(mm) 56.00
  • Total Length E(mm) 70.00

Dimension Diagram Guide

  • attributeset-10


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Damien | Verified Buyer

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Nice and powerfull

Sep 06, 2021

Tested that one for a EDF glider project : Mounted on a 70mm 12 blade Changesun EDF.
4S / 3300mAh / 930w / 64A / 1500g of thrsut => nice setup if you are not willing to run as fast as a bullet !

606 | Verified Buyer

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good stuff

Mar 10, 2021

motor works great for twin 70mm edfs

DIPS | Verified Buyer

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Great motor for F3G setup

Jan 08, 2021

Used this motor to build a drive system for F3G model. Together with Reisenauer 5:1 gearbox, 100 CC ICE ESC, works perfectly with 3 or 4 s battery. I'm now optimizing the propeller to fit in the 350Wmin rule. Don't know yet what propeller size and battery combination is the best. Overall, works perfectly.

Charly | Verified Buyer

  • Quality
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Perfect for fast planes

Dec 28, 2020

i use this motor for the <reverb> also known as te mini hawk III .
With a 5x5 prop and 3S LiPo it goes 220kph (GPS measured)

Builder606 | Verified Buyer

  • Quality
  • Overall
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overall great motor.

May 08, 2020

sounds real nice in the twin 70mm f-22 Raptor.

Me | Verified Buyer

  • Quality
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Very pleased

Apr 22, 2020

Thanks,. Very pleased

Ronny | Verified Buyer

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Super Preis

Sep 14, 2019

Perfect wie immer

wint | Verified Buyer

  • Overall
  • Value
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very good for the money

Jun 09, 2019

good motor -bolted a 5.1 gearbox on it ran it 4s 13x8 props awesome
I will see how it goes on 5s its rated to 6s

Mike | Verified Buyer

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  • Value
  • Quality


Apr 30, 2019

Barley fits in hellraiser

Jamie | Verified Buyer

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  • Quality

Certified Buyer Rated

Dec 27, 2017

Straight out of the box the motor did have a slight rough noise from a bearing when at high RPM but after a while, the noise had disappeared and now runs smoothly after I put a little bit of oil on the bearings. Other then that the motor has huge amounts of power, even on 3s but is a monster on 5s, it doesn't have nice silicon wires but uses the copper windings as the wire so don't bend them too much. But other than that they look well made and perform well.

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