Need More Rotors? Apart from Firespitter and KAX, I felt there wasn't enough rotarywing parts. This mod is my attempt to answer that. Introducing K.R.X. (Kerbal Rotor Expansion).   DOWNLOAD From SpaceDock! Videos:   Included in this release: Heron: coaxial rotor Sparrow: 3 blade rotor (left and right rotating versions) Osprey: 3 blade tilt-rotor style (left and right rotating versions) Seagull: 6 blade super heavy rotor Tail