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- Scorpion MII 2204 2700kv
A light weight, small stator motor in the MII from Scorpion in the high kv segment.
Check out the full list of motors in this series here
Summary
Published: Aug 22, 2017 by quadmcfly
| Tested KV: | 2690kv |
| Weight: | 25.5g |
| Stator W: | 22mm |
| Stator H: | 4mm |
Last year I tested a few of the Scorpion offerings in their M series, which have now been upgraded to the MII line. This motor is an offering in the light weight space, with a smaller stator and higher KV designed to drive light props on a very light rig. This motor comes in at 25.5g, which puts it in competition with some of the 2205 motors on the market, but still comes in at a very light weight class. The design is typical for Scorpion, with the characteristic gold anodized finish, and arching bell design. The air gap is larger than most of the modern motors, but does include arc magnets. One interesting note is that while the stators are 4mm tall, the magnets are actually 5mm tall and overhang the stators by a decent amount. This accounts for some of the weight difference compared to other 2204 motors and dramatically increases the magnetic field strength at the stator, compensating for the larger air gap and smaller stator size. The combination of low weight and unique design make this motor an interesting offering in its class.
Results
The results here were actually stronger than I was expecting given the stator size and air gap. Clearly the overhanging magnets are providing extra torque. The motor is capable of spinning light 5" tri-blade props, easily clearing 1200g though it looses some efficiency due to the smaller stator and higher KV. Given it's intended application though, defintiely a viable option for the light weight motor class, and surprisingly powerful for its size.
