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Airfoils - PowerPoint PPT Presentation


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Aeronautics. Airfoils. Rachelle Oblack rachelle.oblack@nasa.gov. Let’s Get Silly!. Bernoulli’s Principle. Paper Airplanes – YEAH!. Excellent demo or activity to activate students brains Use models online Build your own paper airplane Can be used later. What Is an Airfoil?.

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Airfoils


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    1. Aeronautics Airfoils Rachelle Oblack rachelle.oblack@nasa.gov

    2. Let’s Get Silly!

    3. Bernoulli’s Principle

    4. Paper Airplanes – YEAH! • Excellent demo or activity to activate students brains • Use models online • Build your own paper airplane • Can be used later

    5. What Is an Airfoil?

    6. Spinning Fan Blades

    7. Making an Airfoil • Use poster board, cardstock paper, or manila folders • Cardboard is also easy to use. • Fold and tape • Attach strings

    8. Step 1 Lay cardboard flat and measure 15 mm from one end and 24 mm from the other end and make a line on each.

    9. Step 2 Fold in half Make a camber top by lining the edge of the paper to the 24 mm side.

    10. Step 3 Make a hole in the bottom and top, through the widest part. Attach string with tape.

    11. Step 4 Attach wire to base. Add bead to top. Secure loosely at 70°.

    12. Step 5 Observe and then set to 40°. Turn plane upside-down and repeat same procedures.

    13. Substitutions Foam board Craft wire Play dough 2 String hooks

    14. Paper Airplanes Again • Connect to real work – Wind tunnel testing • Dip deeper into student though processes • Improving on an experimental design

    15. Goal? • I want to know the maximum angle of attack for my airplane before it stalls. • I want to make an airplane that… • Flies farthest • Climbs highest • Etc.