Flights - PowerPoint PPT Presentation

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Flights

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light is the process by which an object moves through an atmosphere (or beyond it, as in the case of spaceflight) without contact with the surface. This can be achieved by generating aerodynamic lift associated with propulsive thrust, aerostatically using buoyancy, or by ballistic movement. – PowerPoint PPT presentation

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Title: Flights


1
Flights
2
Timeline
3
First flyers
4
Flying in and around
5
The idea generation
6
Facts
7
Fun facts
  • Insects, birds, and bats fly by moving wings up
    and down. In the 1400s, Leonardo da Vinci
    sketched machines that would flap birdlike wings,
    but he did not try to build them. Later, people
    learned that machines with flapping wings are
    difficult to power and control.
  • In the early 1800s, George Cayley developed an
    easier way to fly. Cayley studied bird wings and
    recognized that their curved upper surfaces lift
    the bird as air flows over them. Cayley first
    built a small kite to test his idea. By 1808, he
    had invented the glider, essentially an airplane
    without an engine. In 1853, one of Cayley's
    gliders became the first heavier-than-air craft
    to lift a human for a sustained flight. In the
    1890s, several efforts to use a steam engine to
    turn a propeller and lift a glider failed, partly
    because steam engines are heavy and partly
    because of the difficulty of controlling flight.
  • In 1903 the Wright brothers combined a
    lightweight gasoline engine with controls that
    enabled the craft to safely fly level and also
    turn at the pilot's order. Their flight on
    December 17, 1903, is considered the birthday of
    the airplane, although the first sustained
    flights took place five years later.

8
  • The airplane has had a greater impact on our
    lives than any other modern invention. The
    ability to fly has dramatically increased the
    speed at which we can travel and decreased the
    time it takes to receive mail, food, and other
    goods from far-off places. It has brought us into
    closer contact with people in other parts of the
    world, and it has drastically changed the way we
    wage war.
  • Yet, until the beginning of the 20th century, the
    idea of a practical flying machine was only a
    dream. Balloons and gliders had been flown before
    1900, but they were unreliable and could not
    carry a person over a long distance and land at a
    chosen destination. It was not until Orville and
    Wilbur Wright invented and successfully flew the
    first powered, controllable aircraft that the
    dream of flight became a reality. On December 17,
    1903, the Wrights' plane, the Flyer, took off at
    Kitty Hawk, North Carolina, and flew 120 feet (37
    meters).
  • The airplane has changed greatly since 1903. The
    wingspan of a modern jumbo jet is longer than the
    entire distance flown on the Wright brothers'
    first flight. That flight lasted only 12 seconds
    in 1986 a plane named Voyager was flown around
    the world in nine days without stopping or
    refueling. Airplanes have been flown at more than
    4,500 miles (7,300 kilometers) per hour and to
    altitudes of almost 70 miles (110 kilometers)
    above the earth. But no matter how fast, high, or
    far airplanes fly, they are still subject to the
    same basic principles of flight as the Wright
    Flyer.

9
Ground operations
  • Ground Operations involves all aspects of
    aircraft handling at airports as well as aircraft
    movement around the aerodrome, except on active
    runways. The safety challenges of ground
    operations arise, in part, directly from those
    operations
  • Airport ground operations Training involves in
    lot of hardships which one needs to overcome

10
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11
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12
History
13
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