Russia Readies Commercial Unmanned Helicopter Russian Helicopters’ design bureau VR-Technologies has begun bench tests of the main systems for the VRT300 commercial unmanned helicopter. Flight-testing is planned to begin by year-end. With a coaxial rotor system and weighing 300 kg (660 lb.), the experimental aircraft will be used as a testbed for the systems, payloads and ground station for a production unmanned aircraft. “To date, we have defined the functional shape and ...
