ARMATTAN OOMPH 2206/2300 KV MOTOR
Important Note: We HIGHLY recommend that you purchase motors threaded in both directions. Prop strikes where bolt threads match rotation can lead to loosened and lost mounting hardware. Now...on with our regularly scheduled programming.
Did you ever wish your bird just had a little extra something to give, but didn't want to break your batteries (and the bank)? If so, Armattan's OOmph motors are the choice for you. Designed and produced with the finest quality materials, these brushless beasts will provide an unmatched thrust/amp ratio among 2206 sized motors. If you don't believe it, just check out Ryan Harrell's review over at Miniquad Test Bench.
This motor packs much of your standard fare; an M3/22xx mounting pattern, a screw that secures a hollow shaft, and genuine NMB bearings, for some. What may stand out the most, however, is the unique prop-fastening adapter on top. Why this design? After rigorous testing (read: lots of crashes) it was observed that standard exterior-threaded shafts can be heavy, can bind on props, and require large hardware to remove (who wants to carry around a socket wrench?). This is why the OOmph motors were conceived with a better solution.
A NEW APPROACH
With Armattan's innovative design changing props is easy. All that holds the propeller down is a standard M3 bolt and washer combination on the top of the motor. Once the bolt is unscrewed, the propeller and washer will slide right off of the smooth shaft. Gone are the days of fighting to pull off a blade-less hub and coming away bruised and bloodied. Besides eliminating binding, the OOmph motors have a shorter (lighter) shaft and require only a hex-key (Allen Wrench) for a prop-swap. Another added feature of this solution is that the bolts are threaded opposite of the rotation direction. Since we don't yet have nylock bolts, this causes any impact to the prop to tighten the prop instead of unscrewing it.
A final feature, though perhaps the least functional, is that the aluminum was anodized in the same house that is providing the aluminum hardware for the Chameleon frame. These components will be the exact same shade of orange. That's good news for those who like to coordinate their builds.