Here is a counterrotating helicopter in KSP! Enjoy!
If you download this craft, be careful not to go too fast as there will be asymmetric lift on the rotors causing them to collide.

KerbalX Download: https://kerbalx.com/DavidN/Counterro...

Mods I use:
KER
Planetshine
Realplume
Scatterer
Easy Vessel Switch

Music: Hustle (c) Kevin MacLeod
( http://www.incompetech.com/music )

Links!
● Livestreams   / david_nielsen  
● Twitter   / davidnyoutube