Airbus Helicopters is testing a series of upgrades for the H135 light-twin, including a five-blade main rotor and T-tail design. First detailed by HeliOps magazine in mid-August, the enhancements ...

Conventional helicopters have a built-in speed limit, imposed by the physical limitations of their top-rotor lift systems. This fascinating Airbus project has found a way to break through that speed ...

Along with serving as a warning system, though, the setup could also be used simply to study the behaviour of rotor blades, helping in the design of longer-lasting, better-performing models. Although ...