Team Orion Vortex MR8 4 Pole 1/8 Scale Sensored Brushless Motor (2100kV)

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This is the Team Orion Vortex 2100kV MR8 4 Pole 1/8 Scale Brushless Motor. The Vortex MR8 brushless racing motors are equipped with sensors for perfect throttle control and a 4 pole sintered rotor for incredible performance. Available in two versions, regular length for buggies and XL for truggies and monster trucks.

  • 1/8 Sensor Technology
  • ROAR Legal
  • Normal and XL Sizes
  • Rebuildable
  • 4 Pole Sintered Rotor for Extra Torque
Diameter w/fins: 42.9mm
Diameter w/o fins: 39.9mm
Efficiency: 88%
Max. Current: 139A
Poles: 4
Power: 2050W
Rotor: sintered sintered
RPM @ 14.8V: 35520
RPM-V: 2100kV
Sensor: Yes
Shaft Diameter: 5mm
Shaft length: 23mm
Voltage: max. 14.8V/4S
Length: 66.5mm
Weight: 313g 

This product was added to our catalog on August 18, 2011.

Steven Dean
Friday, Feb 15 2013 (about 2 years ago)
Team Orion Vortex MR8 4 Pole 1/8 Scale Sensored Brushless Motor (2100kV)
Please do not buy this Motor. Orion should be re calling ALL of these motors! I drove one for three race meetings and after each meeting the housing had become lose from the front plate. The design is not fit for purpose and just to add insult to injury Orion are not replacing any of them. You will notice they have recently come out with a redesigned unit that has eradicated this problem. Very sad situation!
Adam C
Wednesday, Sep 26 2012 (about 3 years ago)
Team Orion Vortex MR8 4 Pole 1/8 Scale Sensored Brushless Motor (2100kV)
This motor is plenty fast and smooth for the track, but! the tiny bolts that hold the heatsink to the head are loose out of the box, I though it was a one off so i bought the 2400kv just cause i can, and what do you know, the exact same problem, they stripped and tore the heatsink after the first run, that is less than 1mm thin aluminium heatsink, i re-drilled some holes with new bolts and washers that lasted but then it died and team orion (hobbywing) did not want to cover it as it had dirt inside, what a surprise.

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