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Turnigy AquaStar 4084-1050KV Water Cooled Brushless Motor

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Turnigy AquaStar 4084-1050KV Water Cooled Brushless Motor


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The Turnigy AquaStar Sensorless Brushless Motors offer outstanding performance for your boat at an incredible price!
Featuring a quality CNC machined billet T6 aluminum motor can, hand-wound high purity copper windings and powerful sintered neodymium magnet, you wont find a better priced motor of this caliber anywhere else!  It even features a billet aluminum water cooling jacket pre-installed.
The AquaStar brushless motors are a great choice for your deep-V, hydro or catamaran race boat and will be sure to leave the competition in your wake!
• CNC Machined Billet T6 Aluminum Motor Can  
• High Purity Copper Windings
• 4mm Bullet Connectors Pre-installed    
• Powerful Sintered Neodymium Magnet    
• Precision Engineered for Maximum Energy Conversion
• Water Cooling Jacket Pre-installed
RPM/v: 1050kv
Winding: 1.5Y
Max voltage: 22.2V (6S)
Max Current: 160A
Max Watts: 3100W
Resistance: 0.014ohm
No Load Current: 1.4A
Can Diameter: 39mm (actual motor diameter)
Can Diameter inc. Water Jacket: 49mm
Can Length: 84mm
Shaft Size: 5mm
Weight: 490g
Motor Connector: 4mm bullet plug

  • Kv(rpm/v) 1050.00
  • Max Current (Motor) (A) 160.00
  • Resistance (mh) 0.00
  • Max Voltage (V) 23.00
  • Power (W) 3100.00
  • Shaft A(mm) 5.00
  • Length B (mm) 84.00
  • Can Diameter C(mm) 39.00
  • Can Length D(mm) 79.00
  • Total Length E(mm) 103.00

Dimension Diagram Guide

  • attributeset-10


  • Turnigy AquaStar Motor
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Mathias | Verified Buyer

  • Overall
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  • Quality


Sep 05, 2019

runs great and stays cool

Lunatic Fringe | Verified Buyer

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Aug 03, 2019

great all around for my Verocity 36....65 mph

Dan | Verified Buyer

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Apr 28, 2019

the product arrived quickly
I am very pleased with the collaboration

Guy | Verified Buyer

  • Value
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  • Overall

Very good product! Good quality

Aug 10, 2017

My pro boat impulse is flying and the motor is not even a little bit warm after a fresh full couple lipo's' .these motor is much better then i hoped it would be. I am very happy. I use the turnigy 180 amp esc. And its a super super combo

Jonathan | Verified Buyer

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Customer Rated

Apr 18, 2016

Just a superb piece of kit. My Huntsman goes like a scalded cat with this installed (Look on youtube for brushless huntsman username jon lawes...). It's been perfectly behaved, although the torque does each flexible couplings. Can't blame the motor for that...

It's almost certainly overkill for your application. So you NEED it.

Chris-Paris | Verified Buyer

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Customer Rated

Nov 21, 2015

Warning: the internal windings burn when driven at 160A 22V(6S) in about 3 min despite strong forced water cooling (front and body) with 35C max body temp.
I burned two of them in 2 weeks interval !
Current, voltage, temperatures (motor, ESC, battery, internal ship temp) sensed and checked via telemetry in real time.
Max current set using progressively larger and larger propellers and careful max throttle adjustment to not go over the (said) max 160A.
Other: ESC : Turnigy TrackStar 1/5th Scale Sensorless 200amp 8s Opto Car ESC (and one HobbyKing Red Brick 200A ESC which died when one of the motors winding burned and short circuited); Lipo 8A.H 45C nanotech, Hitec Aurora Optima Telemetry; Boat :Osprey Brushless V-Hull R/C Boat (not with the stock motor !)

Benjamin | Verified Buyer

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Customer Rated

Mar 12, 2015

I bought this motor for my KMB 28mm jet boat, the build quality is nice I still sealed the fittings with Si just in case. Leads are stiff and had to make use of the extensions provided with the recommended esc 120A aquastar. After doing some tests motor seems to prefer to run at 8khz for a smooth consistent performance. All in all very nice motor and I look forward to it serving me well.

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