what is the history of helicopters
The word helicopter is adapted from the French language helicoptere, hÃ©licoptÃ¨re coined By Gustave ponton'D amecourt amÃ©court, in 1861 which originates From the (greek) helix, á¼Î»Î¹Î¾, helix, spiral whirl convolution (and) pteron. ÏÏÎµÏÏÎ½ wingf the pilot pushes the cyclic forward, the rotor disk tilts forward, and the rotor produces a thrust in the forward direction. If the pilot pushes the cyclic to the side, the rotor disk tilts to that side and produces thrust in that direction, causing the helicopter to hover sideways.