The physical world: helicopters - for iPod/iPhone
Today: #193 in Education, New Zealand on our combined chart.
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Latest episodes
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Transcript -- The physical world: helicopters
August 11, 2009Transcript -- An introduction to this album
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How helicopters fly
August 11, 2009 · 5 minMarie and Tracey from the Royal Berkshire Ambulance Unit find out how helicopter rotors work.
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Transcript -- How helicopters fly
August 11, 2009Transcript -- Marie and Tracey from the Royal Berkshire Ambulance Unit find out how helicopter rotors work.
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Traditional rotor blades
August 11, 2009 · 5 minHow rotor blades are constructed to cut through the air and keep the helicopter off the ground.
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Transcript -- Traditional rotor blades
August 11, 2009Transcript -- How rotor blades are constructed to cut through the air and keep the helicopter off the ground.
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Modern rotor blades
August 11, 2009 · 3 minLarge, 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
August 11, 2009Transcript -- 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
August 11, 2009 · 6 minThe 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
August 11, 2009Transcript -- The tail rotor keeps the helicopter from rotating. The cyclic stick is responsible for speed, direction and altitude control.
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Emergency landing
August 11, 2009 · 4 minIf the engine cuts out, helicopters go into auto-rotation. Even if there is no engine power, the helicopter glides like a fixed wing aircraft.
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Transcript -- Emergency landing
August 11, 2009Transcript -- If the engine cuts out, helicopters go into auto-rotation. Even if there is no engine power, the helicopter glides like a fixed wing aircraft.

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