Air TransportationAir Transportation

How Does an Airplane Fly?

Paper PlanesPaper Planes

Create a paper airplaneCreate a paper airplane– Choose a paper airplane from the following site Choose a paper airplane from the following site

and fold it according to instructions.and fold it according to instructions.– You will be asked to identify the type of plane You will be asked to identify the type of plane

chosen and its capabilities or limitations.chosen and its capabilities or limitations.– http://www.paperairplanes.co.uk/planes.phphttp://www.paperairplanes.co.uk/planes.php

Exploration AssignmentExploration Assignment Create a Timeline Create a Timeline

– Open MS Word (paper in landscape mode) and Open MS Word (paper in landscape mode) and create a timeline identifying key historical create a timeline identifying key historical milestones about air transportation.milestones about air transportation.

– Include date and historical eventInclude date and historical event– Must have a minimum of 15 events Must have a minimum of 15 events – Also include current and proposed designs of Also include current and proposed designs of

air transportationair transportation

Date/

even

t

So What Makes an Airplane So What Makes an Airplane Fly?Fly?

Forces Acting on an AirplaneForces Acting on an AirplaneLIFT

THRUST DRAG

GRAVITY

Aerodynamic ForcesAerodynamic Forces

ThrustThrust- forward driving force of a propeller, or the - forward driving force of a propeller, or the forward force produced by gases escaping forward force produced by gases escaping rearward from a jet or rocket enginerearward from a jet or rocket engine

LiftLift- the upward acting force that causes the plane - the upward acting force that causes the plane to riseto rise

DragDrag- the resistance force of friction produced by - the resistance force of friction produced by air and waterair and water

GravityGravity- downward force pulling everything to - downward force pulling everything to center of earthcenter of earth

How is Lift Generated?How is Lift Generated? First note:First note:

Air is a fluid, so it adheres to the physical Air is a fluid, so it adheres to the physical properties of all fluidsproperties of all fluids

Air must be in motionAir must be in motion

Second note:Second note:

Slow moving air creates high pressure under Slow moving air creates high pressure under wingwing

Faster moving air creates low pressure above Faster moving air creates low pressure above the wingthe wing

Control Surfaces for ManeuveringControl Surfaces for Maneuvering

An airplane uses control surfaces for An airplane uses control surfaces for maneuvering the airplanemaneuvering the airplane

Axis of RotationAxis of Rotation

Elevator controls “Pitch” around the lateral axishttp://www.ehow.co.uk/video_4411879_pitch-movement-airplane.html

Aileron controls “Roll” around the longitudinal axishttp://www.ehow.co.uk/video_4411880_roll-movement-airplane.html

Rudder controls “Yaw” around the vertical axishttp://www.ehow.co.uk/video_4411881_yaw-movement-airplane.html

Crossword puzzleCrossword puzzle

Complete the Crossword Puzzle using your Complete the Crossword Puzzle using your notesnotes