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Published bySimon Mason Modified over 9 years ago
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HELICOPTER By: Jala and Tara
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HELICOPTER
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DESCRIPTION Describe how the transportation device works A helicopter is a vehicle, which flys high in the sky, and its capacity is very low. Source: wiki.answers.com
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MATERIALS list the materials used to make the device The frame is made of Glass Nylon fiber Aluminum Stainless steel Titanium Source: madehow.com
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Describe the energy changes that take place when the device operates Starting in the engine fuel is ignited releasing heat energery and kinetic energy. In the form of rapidly expanding gasses Source: ask.com
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Identify the forces acting when the device operates. Translating tendency, settling with power, dynamic rollover, gyroscopic proceession Source: helicopterpage.com
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Describe the motions that occur when the device operates It depends on the helicopter. The sikorsky x-2 speed is over 250 Source: Inventors.about.com
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1. igor sikorsky and paul cornu invented the helicopter 2.the helicopter was first used in 1930 3. the helicopter used in world war 2 4. meatl, glass, nylon fiber, aluminum,stainless steel, titanium Source: 1. inventors.about.com 2.trepconnect.umd.edu 3. trepconnect.umd.edu 4. madehow.com
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Describe how the transportaion device improved getting around They can get news from it. And the lessons on how to fly a helicopter. Source: answers.yahoo.com
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IMPROVEMENTS OR MODIFICATIONS They can carry cargo like food and clothes Also they can bring news reports to the news center Source: answers.com
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