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Wednesday, April 2, 2014

Taking Off

key word: endeavor, supersonic, speed, revolution, aviation, ads, website, neither, ground (v), sky's the limit.

Human beings conquered the distance on earth by discovering wheels. They endeavored further. Then on December 17, 1903, the Wright brothers in America made the first experiment of flying in a plane. In the experiment, a machine carried a man and rose above by its own power. The machine was called 'aka airplane'. It flew naturally in a smooth speed, and finally landed without damage. That was human being's first real take-off. And now, they have got a supersonic speed. In a supersonic speed, something travels faster than sound! So the sky's the limit now!

Modern aircraft companies are making revolutions in aviation Technology. Boeing as well as Airbus is producing modern passenger airplanes. These planes fly very fast. Boeing 787 flies 950 km/h. However, Airbus 350 is expected to fly in a couple of years. Its speed will be 950 km/h.

You find attractive Ads on the website of both Boeing and Airbus planes. Both have excellent features. But in speed, neither could beat the Concorde. It is world's fastest supersonic passenger aircraft. Its normal speed was 2,170 km/h. The Concords was a joint project by France and Britain. It started passenger flight in 1976. Unfortunately, the Concorde fleet was grounded for ever in 2003 aftear a major accident.

Note: The speed of sound, which is approximately 760 miles per hour is called 1 Marc. An airplane flying less than 1 Mach or 760 miles per hour is traveling at a subsonic speed. Faster than 1 Mach or 760 miles per hour would be a supersonic speed.