Flying MachinesCreative Technology Laboratory

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Flying Machines

The ProblemAlmost everyone dreams of visiting exotic places. But traveling can waste a lot of time.

The Mission

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Our mission is to build flying machines that get us from A to B fast.

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Rocket Men

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Japanese Rocket Manhttp://www.youtube.com/watch?v=4XObKek9Tuc

Swiss Rocket Manhttp://www.youtube.com/watch?v=h4arnATc04U

Gossomer Condorhttp://www.youtube.com/watch?v=sp7yv67B5Sc

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Deadelus Fusion Man

Paper Airplanes

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Paper Airplane World Championshipshttp://www.youtube.com/watch?v=1aoQTAw6SBA&feature=related

Paper Airplane World Record Flight 26.7 secondshttp://www.paperplane.org/record_film.html

Basic Build-It-Yourself Gliderhttp://www.build-it-yourself.com/biy-projects/proj-fly-machines/resources/fly-x101.ppt

More Paper Airplane Instructionswww.funpaperairplanes.com

Straw Powered Rockets

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See if you can make your rocket hit a target or reach the ceiling.

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Instructions for straw powered flying machines.

Air Powered Rockets

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These rockets can go 50 feet in the air.Click to watch it in action

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Instructions for soda bottle powered rockets.

Gliders

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Explore the physics of flight including:1) Center of gravity.2) Wing shape for lift.3) Steering ailerons.4) Wing position and stability.

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Click to watch it in action

Instructions for soda bottle powered gliders.

Space Ships and Other Flying Contraptions

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Build a revolutionary, incredible flying machine from your collection of premium quality junk.

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Space Ships and Other Flying Contraptions

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Design the space ship of your dreams and program it in Scratch to explore the Universe.

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Super powers you will acquire

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1. PowerPoint Guru2. Problem Solver 3. Creative, Modular Builder4. Master of Presentations5. Aeronautical Physicist

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To the moon and beyond …

Physics of Flight - Lift

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Lift > Gravity

Physics of Flight - Lift

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To fly, the ‘Lift’ must be > than the weight of the plane.The general airplane lift equation:

where:• L is the lift (in pounds),• ρ is the air density,

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ρL = ½ S V2 C L > Weight of plane

Physics of Flight - Lift

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To fly, the ‘Lift’ must be > than the weight of the plane.The general airplane lift equation:

where:• L is the lift (in pounds),• ρ is the air density,• S is the area of the wing,

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L = ρ SL = ½ ρ V2 C L > Weight of plane

Physics of Flight - Lift

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To fly, the ‘Lift’ must be > than the weight of the plane.The general airplane lift equation:

where:• L is the lift (in pounds),• ρ is the air density,• S is the planform area of the wing, and• V is the airspeed of the airplane.

According to this formula, which airplane factor is the most important?

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V2L = ½ ρ S C L > Weight of plane

Physics of Flight - Lift

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To fly, the ‘Lift’ must be > than the weight of the plane.The general airplane lift equation:

where:• L is the lift (in pounds),• ρ is the air density,• S is the planform area of the wing, and• V is the true airspeed of the airplane.• is the lift coefficient which factors complex shape design.

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L = ½ ρ S V2 CL

C L

> Weight of plane

Slow Moving Air - More PressureLift

Fast Moving Air - Less Pressure Gravity

Physics of Flight - Lift

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Videos of how speed and air flow can create lift > gravity

http://www.youtube.com/watch?v=c9FsYDEIZWk

http://www.youtube.com/watch?v=TP_yTyfdmBQ&feature=endscreen&NR=1

http://www.youtube.com/watch?v=dmAnzrVO44s&NR=1&feature=endscreen

Physics of Flight – Center of Gravity

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The center of gravity will determine if your plane will dive, stall, or glide straight. Position a paper clip along your fuselage to experiment.

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Paper clip too far forward

Paper clip too farto the rear

Paper clip just right

Physics of Flight - Control

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Wing angle down will make your plane roll

and fly upside down.

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Front views

Wing angle up will make your plane

fly stable.

Physics of Flight - Control

Physics of Flight - Control

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Ailerons (wing flaps) will make a plane turn and create lift or drag.

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Physics of Flight - Control

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Tail fins (or vertical stabilizers) help control yaw.

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Physics of Flight – Wright Brothers

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Calculate how fast the 1903 Wright Brothers plane had to go to get off the ground.

http://wright.nasa.gov/airplane/lifteq.html

- PSI at sea level is 14.7- Wing area = 40 x 6 x 2 sq. ft.- Weight = 750lbs- Angle of attack = 5 degrees- Speed of sound = 760mph- Speed of passenger get = 560mph- Speed of Wright Bros. Plane = ??????

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Physics of Flight – Wright Brothers

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Wright Brothers Design Calculations

Lift > Plane WeightLift = Lift coefficient x wing area x velocity*2http://wright.nasa.gov/airplane/lifteq.html

Wright Brothers PlaneLift coefficient (function of air density, wing angle, form factors) 0.002Weight of plane + passengers (lbs) 880Area of wing (sq. ft.) 40 x 6 x 2 480Takeoff speed (mph) 30

737 Passenger JetLift coefficient (function of air density, wing angle, form factors) 0.002Weight of plane (lbs) 62,500 Weight of passengers (lbs) 37,500 Weight of plane + passengers (lbs) 100,000 Area of wing (sq.ft.) 1344Takeoff speed (mph) 193

Speed of sound (mph) 800Speed of passenger jet (mph) 550

Plane Decorations

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Make your own decals in PowerPoint

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ail eathers

oom oom

ail eathers

Make your own decals in PowerPoint

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Make your own decals in PowerPoint

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Make your own decals in PowerPoint

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Decorated Paper Airplane

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Agenda

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1) Study project guidelines.2) Set up PowerPoint lab book.3) Document problem and mission.4) Problem solving tricks5) Presenting ideas6) Physics of flight7) Build (paper planes, gliders, rockets)8) Decorate9) Present projects.10)Contests for:

- flight time- accuracy- creativity and good looks

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Extra Projects

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1. Build a rubber band driven airplane 2. Build a mobile that turns with several

flying contraptions balanced.

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Lab Book Research1. How much extra time would we have (to

play computer games) if we could get to and from school every day in 1 minute instead of 30 minutes?

2. Write a brief history of flight including pictures.

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Lab Book ResearchTime saved if we could rocket to school.Travel by school bus# days in school year 180Minutes to get to school by bus 15School travel minutes per year 5400School travel hours per year 90

Travel by flying machine# days in school year 180Minutes to get to school by rocket 1School travel minutes per year 360School travel hours per year 6

Hours saved per year 84

Class discussion / time out research / extra projects

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1. Draw a time line of man made flight.2. Research flying machines by Leonardo3. Why do planes fly and boats don’t?4. What are examples of how technology has improved live?5. What are examples of how technology has made life worse?6. What do you think are the most amazing man made

inventions?7. Why is teamwork important?8. What do you think are the biggest problems in the world?9. How could technology help solve these problems?

Flying Machines