UAVOS Expands Helicopter Rotor Blade System Capability to Add Torsion Bar

UAVOS announced that it had completed flight tests of its advanced bearing-less rotor system installed on the UVH 25EL unmanned helicopter. Torsion bar is aimed to provide an effective damping action against the dynamic components of the forces and torques acting on the rotor. The new rotor design has resulted in increasing Time Between Overhauls [...]