Pathfinders Leonardo da Vinci Helicopter (Aerial Screw)

One of Leonardo's most iconic images, the Aerial Screw (also known as the Helicopter) illustrates the ingenuity of da Vinci, and indicates (along with many other drawings!) his obsession with flying. While it is often referred to as a helicopter, the premise of the lift to make it rise is more like archimedes screw than the rotors of a helicopter. All pieces are drilled and pegged for strength. The canopy and support structure can be removed for experimenting. 38 x 23 cm (15 x 9 inches). 9+ years.

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