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 ...
Airbus Helicopters is to institute a series of modifications on the H145 that will increase the payload of the light-twin by 150kg (330lb). Key to the upgrade is a new bearingless five-blade main ...
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