In the 1930s, two Parisian taxi drivers, MM Massiera and Bruno, manufactured a pedal Helicopter called "La Girouette". The device was actually a bike that had been faired and endowed rear tail. The two-bladed rotor rested above the cyclist’s head, carried by a tubular structure. it was driven by the rear wheel. The device did not have an anti-torque rotor. We easily imagine the results of the experiment
