EMAX RaceSpec 2205 2300KV Motor

$19.99 $14.99
You save: $5.00

EMAX RS2205 RaceSpec Motor 

This is one of the recommended motors for the ImpulseRC RR5 Alien Kit.

These Emax “Red Bottoms” are an economical alternative to the Lumenier 2206 2350KV Motor. Chad Nowak started flying these just to test them, but ended up liking them a lot!

The manufacturer claims the unique fins machined into the bell draw up cool air from the motor base. The faster it spins, the more air it ventilates. Cooling fins significantly reduce heat soak by at least 30%. This “cool” feature allows the RS2205 to last longer.

The Red Bottom motors also use high grade N52 Magnets. This means better acceleration, stopping power, and sustained RPMs during high kv. This performance is supported by genuine Japanese NMB Bearings to provide long lasting, smooth performance.

This motor is a good match for the HQ 5x4x3 props available in our store. 


  • Model: RS2205
  • KV: 2300kv
  • Weight: 30g (with wires)
  • Wire AWG: 20AWG
  • Stator Diameter: 22mm
  • Stator Height: 5mm
  • Shaft Diameter: 3mm
  • Configuration: 12N14P
  • Motor Diameter: 27.9mm
  • Motor Height: 31.7mm
  • Prop Adapter Shaft Thread: M5, tightens clockwise
  • Input voltage: 3S-4S (12.6 - 16.8 volts)
  • Max. thrust: 1024g (HQ5045 BN at 2300kv)
Current stock: 0

10 Reviews

Corrie Jun 16th 2017

Big improvement over mt2204

So far so good. Great little motors and so far quite durable!

Matt May 15th 2017

Good motors lots of power. Great price. CCW Only Motors

I have these on a vortex 250 Pro ( I much prefer these than the stock vortex motors) and Just bought a new set from RR for my new Alien RR5. I always have run a CCW thread with a locknut and never have had an issue which I assume is why RR only sells CCW as well. The different directions CW and CCW only refers to the threads. The reason for that is if you lose a CW (left to tighten) locknut you can't use any off the shelf locknut, you have to get a specific type. Sometimes it's hard to find.

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