It’s got the usual trappings of a drone, but with only a single rotor it clearly can’t be called by any of the standard multicopter names. Helicopter? Close, but not quite, since the rotor ...

426 mi The UH-72A is a twin-engined light duty helicopter. It is equipped with a single 4-bladed main rotor and a single 2-bladed tail rotor mounted on the left-hand side of the tail assembly.

It is a twin-engined medium-lift utility helicopter. It is equipped with a single 4-bladed rotor and a single 4-bladed tail rotor. The basic crew complement for the UH-60A is three: pilot ...

Close up of Ingenuity’s central core, including landing gear flexures, lower rotor swashplate servos, and HWEB. Click to enlarge. Source: NASA/JPL Having an autonomous helicopter at your ...