AVANTQUADS LEGGERO S4 & S5 | this quad destroyed my battery and I loved it

The Leggero is a 3", 4", and 5", ultra-light, racing quadcopter frame. It's also sold as a heck of a tidy bind-n-fly. One of the most interesting things about the 4" build is that it uses 1407 motors. This keeps weight down, but can these tiny motors perform up to the standards set by 2204 or even 2205 motors on other 4" builds?
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