 | 1480 |
This inventor from Italy has the idea for a flying machine called the "Helical Air Screw."This spiral-shaped screw would spin as it floated through the air. It was never built.
It is one of the first drawings of a helicopter-like flying machine. |
|
1784 |
| These 2 researchers from France invent a toy with a rotary-wing. This toy could take off and fly using its own power. This proves that an object which is heavier than air could fly. |
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1863 |
This writer from France is one of the first to use the word "helicopter." This big word comes from 2 smaller words. The small word "helico"
means spiral. The other small word "pter" comes from the word "pteron" which means feathers or wings. These 2 words put together mean a "spiral with wings."
|
|
1907 |
This inventor from France makes an aircraft that is the first to take off vertically (fly straight up into the sky)
with a pilot. It is too hard to control. |
|
1911 |
This scientist from Russia writes a book that talks about
flight. It has pictures that show a flying machine that looks like a helicopter.
This helicopter has a big main rotor with a small rotor on the tail boom. |
|
1916 |
This scientist from Russia writes a book called Helicopter Rotors Theory.
The book shows how rotors work. Later on he moves to the United States
and builds a helicopter. |
