90UAV unmanned helicopter adopts a single rotor wing tail and a conventional rotor layout. It is equipped with a skid-landing gear, powered by a single-shaft turbo-shaft engine. The maximum takeoff weight of Star Loop 90UAV is 90kg, while the endurance time is 3 hours.
The modular design of 90UAV ensures the function of each module is clear and the unmanned helicopter is easy to assemble and disassemble. Maintenance is also convenient. The concept of multiple geometric modelling is adopted and applied to the design in accordance with the aerodynamic appearance principle of helicopters, and the aesthetic demands of modelling.