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