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Quadcopter+Lego motorcycle=cool


Gremlin on the Wing
Yeah, Yasuo840 has had some cool creations (check out his 4X4 quad, 4 rotors+4 servos), but the Lego bike is by far one of his coolest.

His build had inspired me to attempt a "Bi-copter unicycle" version, but I have put that idea on the bottom shelf for the time being.

I have so many other things going on right now, that I can't afford to experiment at the moment.


Stuck in Sunny FL
Staff member
I'm thinking that some of the elements from this video, could be used by Flite Test to do a how to episode for how multirotors and the control boards work.

I'd love to see a Flite Test take on explaining PID, gyros, and accelerometers.


Misfit Multirotor Monkey
+1 on that.

I've been screwing with P&I through analog pots on the older Atmega168PA and 328PA boards and with the KK2 for months and still don't fully 100% grasp it.

Get the resident mad scientist Swede to explain it, it would be right down his alley.


Senior Member
+2 i think this would make a great flite test episode. I have played with my kk2 board loads and got it quite stable but all by guess work would be nioce to understand !!!!