1480 : Leonardo Da Vinci 's
Helical Air Screw
||"...I have discovered that a screw-shaped device
such as this, if it is well-made from starched linen, will rise in
the air if turned quickly..."
Leonardo Da Vinci - Codice Atlantico
Often been cited as the first serious attempt to
produce a working helicopter, Da Vinci 's was only an experimental
design and was never put into practical use. Was clearly far ahead of
its time, but without adequate technology the ability to create such
machines was virtually impossible.
His sketch of the aerial screw or air gyroscope device
is dated to 1483 but it was first published nearly three centuries
A scale model (currently exposed at the Science Museum of London)
recently built with the original Da Vinci plans was not successful to
raise itself in flight.
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