On 13 November 1907, the first flight on the helicopter was made by the French inventor Paul Cornu. Blades moved because of engine «Antoinette» capacity of 24 kph. The machine raised its creature

The Helicopter

On 13 November 1907, the first flight on the helicopter was made by the French inventor Paul Cornu. Blades moved because of engine «Antoinette» capacity of 24 kph. The machine raised its creature 30cm under ground and kept in the air for 20 seconds. That way the first helicopter was invented.

Nowadays have better view and more convenient building but basic sings remains. This machine flies because of its propellers. Due to blades during rotation creates airflow that keeps the car in the air, and of course it raises.

People use helicopters to put the fire out, save people from dangerous places and to travel across unexplored areas. There are many other ways to use this machine, for example in a war or as a quick transport. Helicopter is one of really useful thing created by human and makes our life easier, even when we don’t use it at all.

Дата добавления: 2015-11-04