Transcript -- The physical world: helicopters

Altri episodi di "The physical world: helicopters - for iPod/iPhone"

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  The physical world: helicopters

  11/8/2009

  0:55

  An introduction to this album
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  Transcript -- The physical world: helicopters

  11/8/2009

  Transcript -- An introduction to this album
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  How helicopters fly

  11/8/2009

  5:19

  Marie and Tracey from the Royal Berkshire Ambulance Unit find out how helicopter rotors work.
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  Transcript -- How helicopters fly

  11/8/2009

  Transcript -- Marie and Tracey from the Royal Berkshire Ambulance Unit find out how helicopter rotors work.
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  Traditional rotor blades

  11/8/2009

  4:34

  How rotor blades are constructed to cut through the air and keep the helicopter off the ground.
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  Transcript -- Traditional rotor blades

  11/8/2009

  Transcript -- How rotor blades are constructed to cut through the air and keep the helicopter off the ground.
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  Modern rotor blades

  11/8/2009

  2:48

  Large, high speed military helicopters test the limits of aerodynamics. Their rotors use cutting edge blade technology and design.
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  Transcript -- Modern rotor blades

  11/8/2009

  Transcript -- Large, high speed military helicopters test the limits of aerodynamics. Their rotors use cutting edge blade technology and design.
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  Controlling a helicopter

  11/8/2009

  5:34

  The tail rotor keeps the helicopter from rotating. The cyclic stick is responsible for speed, direction and altitude control.
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  Transcript -- Controlling a helicopter

  11/8/2009

  Transcript -- The tail rotor keeps the helicopter from rotating. The cyclic stick is responsible for speed, direction and altitude control.