Originally Posted by
haihio
If I’m not mistaken the ec135 does not have feathering bearings and pitch change is achieved through twisting of the blades.
The 135 M/R system is bearingless and hingeless. But feathering and flap (to a limited extent) takes place through a "flex-beam" mounted inside the hollow blade cuff. Lead/lag is handled by elastomerics mounted externally on the blade cuff.