Comments by "" (@Allan_aka_RocKITEman) on "The First Air Commando Group's combat helicopter rescue." video.

  1. +The History Guy - How about a video on Juan de la Cierva <sp?>, the inventor of the autogyro {a.k.a. the gyroplane}. AFAIK, HE developed main rotor blade lead/lag and flapping, which paved the way for development of practical helicopters.
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