The document discusses the history and development of helicopters. It notes that the first helicopter was created in 1784 by two French inventors, Bienvenue and Launoy. The first helicopter to carry humans was developed by Paul Cornu in 1907. The helicopter design was further advanced in the 1920s by Juan de la Cieva, who is credited with coining the term "helicopter" that is still used today. The American government then ordered large numbers of helicopters in the late 1930s, building on Igor Sikorsky's design from 1939. Helicopters saw increasing development and usage during and after World War 2. They are now used for various purposes including in disaster relief situations like earthquakes and

1. Mehmet Kır www.slideshare.net/meball17 mehmetkir.blogspot.com Helicopter

2. HELICOPTER A helicopter is a type of aircraft.

3. HELICOPTER Two French Bienvenue and Launoy, made the first helicopter in 1784.

4. HELICOPTER Paul Cornu, a helicopter carrying the first humans were made in 1907.

5. HELICOPTER Juan de la Cieva (Spanish), 1920, the auto was the name given today's helicopters. In Addication: http://www.allstar.fiu.edu/aero/cierva.htm

6. The American government has ordered a large number of them. Similar to today's descendants of the first helicopter was built in 1939 by Igor Sikorsky.

7. Helicopters in the Second World War and later was developed at great speed.

9. Helicopters, flying in the hills with the help of the rotor.

10. ROTOR

11. HELICOPTER

12. In war, earthquakes and floods are benefiting from the helicopter.

13. In Eartquake Earthquake survivors wave to a helicopter flying over Port-au-Prince, Haiti, Thursday, Jan. 14, 2010. A 7.0-magnitude earthquake struck Haiti Tuesday. (AP Photo/Francois Mori)

14. Pakistan Flood

15. Maximum speed is 125 kilometers of helicopters.

16. mehmetkir.blogspot.com This presentation was prepared by Mehmet Kır