After almost a year of flying 0720 brushed and 1102 brushless micros and being thrown around by wind, bouncing off the ground being unable to recover from powerloops and hitting things because there's just not enough punch to climb and avoid disaster I knew that I wanted moar powah.
But I knew that at my skill level it will be difficult to control all this power and I may send my drone to far or smash it to bits. So the bits had to be cheap. And, being me, I didn't want to jump straight to even more beastly 5 inches. Let's take it slow. 3 inches is all you need, as someone said.
This is how SkyzO was born.

The frame

This is what started the build. I guess I fell in love with that frame. I think it looks great. I had to buy it. When it arrived it didn't disappoint. Carbon is nicely cut, bottom plate edges nicely chamfered. And that blue metal! I just had to buy matching, blue, HGLRC 1407 motors.

There is so much room!

When I started to build SkyzO I already accumulated some experience from an unfinished 16 by 16mm stack build. So having so much room was a VERY welcome change. Mind you - I don't think this frame is spacious. I still had to squeeze RX between the stack and led/buzzer board. To fit VTX (placed inside my cut-it-yourself plastic mount) on top of the stack I needed to shorten standoff screws a little. Otherwise it would not fit under metal frame. But it's still way easier to build than 16mm one.

That thrust/weight ratio!

It seems that theoretical calculations were correct - it was supposed to rip, and it does. Finally that screeching sound of propellers splitting the air! I flew with DYS 3045 and Gemfans 3052. And I can't see the difference, because with any props this beast is way beyond my sklill level:) With my (lack of) flying experience I was suprised how absolutely minimal the throttle movements need to be when I have all this power at my fingertips. HGLRC 1407 motors work fine. On 3S they provide plenty of thrust without getting hot. I did not try to fly this on 4S yet.