Plastics rotor blade

A high strength rotor blade comprising longitudinal rovings forming a rigid skein loop in the vicinity of the blade base or root thereby enabling said blade to be secured by a pin to a hub member, said blade further comprising a metal mounting member including a socket through which said pin may extend and a longitudinal extension of tapering configuration, said rovings extending away from said loop into bifurcate portions, said longitudinal rovings being arranged in said blade with said loop extending around said socket and said longitudinal extension being disposed between and in engagement with said bifurcate portions of said rovings, said rovings and extension being assembled in said blade by a compact filling consisting of a mineral loading agent and an adhesive, the filling being connected to the blade hub, the rovings being applied to the filling as they extend away from said blade root and separate into bifurcate portions.