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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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HELICOPTER
By: Jala and Tara
HELICOPTER
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
MATERIALS
list the materials used to make the device
The frame is made of
Glass
Nylon fiber
Aluminum
Stainless steel
Titanium
Source: madehow.com
Energy
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
FORCES
Identify the forces acting when the device operates.
Translating tendency, settling with power, dynamic rollover, gyroscopic proceession
Source: helicopterpage.com
MOTION
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
HISTORY
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
IMPORTANCE
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
IMPROVEMENTS OR MODIFICATIONS
They can carry cargo like food and clothes
Also they can bring news reports to the news center
Source: answers.com