Helicopters 3rd May
History of Helicopters
Date: 1100
Where: ----------
Who: Chinese
1100 - Chinese invented a flying toy that had some of the same principles as the helicopter.
Date: 1483
Where: ----------
When: Leonardo Da Vince
1483 - Leonardo Da Vinci had sketches of a helicopter-like flying machine.
Date: 1784
Where: ----------
When: Launoy and Bienvenu
1784 - two French men (Launoy and Bienvenu) built a feathered-model helicopter.
Date: 1843
Where: ----------
When: George Cayley
1843 - Sir George Cayley invented the steam-driven chopper.
Date: 1907
Where: ----------
Who: Paul Cornu
1907 - Paul Cornu built a full-sized helicopter. It cleared the ground for a few minutes, but remained tied down by ropes.
Date: 1916
Where: ----------
Who: Professor Theodore von Karman and Lieutenant Stefan Petroczy
1916 - Professor Theodore von Karman and Lieutenant Stefan Petroczy built a working helicopter. However, because it didn't carry passengers, it was not officially recognized.
Date: 1931
Date: 1931
Where: ----------
Who: Gerald P. Herrick
1931 - Gerald P. Herrick converted an airplane into a helicopter. It was able to land at a steep angle.
Date: 1931
Where: ----------
Who: Focke Achgelis
1938 - the German-made Focke Achgelis Fa 61 was the first official helicopter.
Date: 1939
Where: ----------
Who: Igor Sikorsky
1939 - Igor Sikorsky made the first practical flight in the United States
- What forces are acting on flying helicopters?
Thrust, Drag, Lift and Weight
- Which force is needed for flight?
= Lift
= Lift
When an airplane flies, the wing is designed to provide enough Lift to overcome the Airplane’s Weight. also, while the engine provides enough Thrust to overcome Drag and move the airplane forward.
- What metal are helicopters made from?
Aluminium and Titanium
- What metal are helicopters made from?
Aluminium and Titanium
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