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The Wright Brothers

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The brothers`life and inventions

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The Wright Brothers

  1. 1. KAIRE ROHUSAAR 12B The Wright Brothers
  2. 2. Inventions <ul><li>I nventing and building the world's first successful airplane </li></ul><ul><li>M aking the first controlled, powered and sustained heavier-than-air human flight , on December 17, 1903 </li></ul><ul><li>T he brothers developed their flying machine into the first practical fixed-wing aircraft </li></ul><ul><li>T he Flyer, especially by 1905, was the first heavier-than-air, manned, powered, winged machine to fly successfully under full control, using aerodynamic principles developed by the Wright brothers and applied since then on all practical airplanes. </li></ul>
  3. 3. Wilbur Wright <ul><li>Born- April 16, 1867 </li></ul><ul><li>Died-May 30, 1912 (age 45) in typhoid fever </li></ul><ul><li>1886 winter- accident </li></ul><ul><li>Faught for their patent rights until his death </li></ul>
  4. 4. Orville Wright <ul><li>Born August 19, 1871 </li></ul><ul><li>Died January 30, 1948( aged 76) after his second heart attack </li></ul><ul><li>Started his own printing business </li></ul><ul><li>Sold their company in 1915 </li></ul><ul><li>1930- recieved the first Daniel Guggenheim Medal </li></ul><ul><li>1936- was elected a member of the National Academy of Science </li></ul>
  5. 5. Some important dates <ul><li>The printing business-1889 </li></ul><ul><li>The Wright Cycle Exhange – a bicycle repair and sales shop 1892 </li></ul><ul><li>In 1899 they started their mechanical aeronautical experimentation </li></ul><ul><li>1901- first public account of the brothers` experiments </li></ul><ul><li>1908- public demonstrations, first hour-long flight </li></ul><ul><li>1909- they sold their first airplane, started their first lawsuit, created their first business </li></ul><ul><li>1910- transport of first commercial cargo </li></ul>
  6. 6. Ideas and beliefs <ul><li>Pilot control- to aim or align the aircraft correctly </li></ul><ul><li>Discovered wing-warping </li></ul><ul><li>First 2 gliders did not have tails </li></ul><ul><li>Experimented their ideas on bicycles </li></ul><ul><li>Kite + plain </li></ul><ul><li>Wind tunnel tests </li></ul><ul><li>Didn`t like the press because they were convinced that someone would steal their ideas and inventions </li></ul><ul><li>Flew together only once- a promise to their father </li></ul>
  7. 7. Gliders <ul><li>1900- Wilbur lifted from the ground very little, wing-warping testing </li></ul><ul><li>1901- a flat landing, adverse yaw problem </li></ul><ul><li>1902- 1)longer and narrower wings </li></ul><ul><li>2)they made the airfoil flatter by reducing the camber </li></ul><ul><li>3)the purpose of movable vertical rudder 4)“well digging” problem </li></ul><ul><li>5)the longest flight lasted 26seconds and covered 189,7 metres. </li></ul>
  8. 8. <ul><li>1903-1) powered Wright Flyer I </li></ul><ul><li>2)wooden propellers </li></ul><ul><li>3)The Wright/Taylor engine </li></ul><ul><li>4)the longest flight lasted 59 seconds and covered 260 metres </li></ul><ul><li>1904- FlyerII, 2 best flights exceeded 5 min and covered nearly 3 miles </li></ul><ul><li>1905- FlyerIII, design and controls, the flights ranged from 17 to 38 min and covered about 39km </li></ul><ul><li>1908- France flights </li></ul>
  9. 9. <ul><li>First flight of the Wright Flyer I </li></ul><ul><li>Wright Flyer III </li></ul>Pictures of first flights
  10. 10. <ul><li>Occupations </li></ul><ul><li>Businesses </li></ul><ul><li>printer/editor </li></ul><ul><li>bicycle retailer/manufacturer </li></ul><ul><li>airplane inventor/manufacturer </li></ul><ul><li>pilot trainer </li></ul><ul><li>The Wright Company </li></ul><ul><li>The Wright-Martin Company </li></ul><ul><li>Wright Aeronautical Corporation </li></ul><ul><li>Curtiss-Wright Corporation </li></ul>Brothers in the businessworld
  11. 11. <ul><li>Thank you for liste-ning!!! </li></ul>

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