"I don't have a X600 I ask your opinion of that quad.
I bought several pieces for my Heli (3dx400) in cnchelicopter and they have lots of spares. Ask they directly about props."

"What about this one?
http://www.cnchelicopter.com/servlet/the-1652/Xaricraft-X600-dsh-D-..."

"I'm thinking in Osprey V22
https://www.youtube.com/watch?v=QB4pgsPUkHw
I believe It only tilt rotors front/back."

"In my opinion you only need to turn rotos in front back direction, not in right left side. You can remove two servos."

"That's the new HW that you said?"