Airfoil blade of a bearingless rotor of a helicopter

An airfoil blade of a bearingless rotor of a helicopter, particularly an airfoil blade of a bearingless main rotor of a helicopter:

• said airfoil blade having a tip end and a root end forming opposite ends thereof and having a pitch axis from said tip end to said root end;
• said root end being provided with junction means for a separable junction arrangement of said airfoil blade with a flexbeam head, and a control cuff, wherein said junction arrangement is mechanical between said flexbeam head, said control cuff and said root end with removable fasteners respectively removable connecting said root end of said airfoil blade to said control cuff and said flexbeam head, said root end comprising at least two openings being asymmetric with regard to said pitch axis.