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## Activity

If so instructed by your teacher, print out a worksheet page for these problems.

Access this site to simulate the bicycle wheel balance test (http://firstflight.open.ac.uk/). If necessary, download the Shockwave program to run the simulation. Go to Flyers then Wright Brothers. Click on movie + simulation, which will take you to a page called The Bicycle Balance. Click image + simulation to begin the bicycle wheel balance test. By running the simulation, determine at which angle of attack the wing and the flat plate balance.

1. Circle the results of the test of each angle of attack for the Lilienthal Wing and for the Flat Plate.

 Angle Lilienthal Wing Flat Plate 4 clockwise - balanced- counterclockwise clockwise - balanced- counterclockwise 5 clockwise - balanced- counterclockwise clockwise - balanced- counterclockwise 6 clockwise - balanced- counterclockwise clockwise - balanced- counterclockwise 8 clockwise - balanced- counterclockwise clockwise - balanced- counterclockwise 10 clockwise - balanced- counterclockwise clockwise - balanced- counterclockwise 12 clockwise - balanced- counterclockwise clockwise - balanced- counterclockwise 14 clockwise - balanced- counterclockwise clockwise - balanced- counterclockwise 16 clockwise - balanced- counterclockwise clockwise - balanced- counterclockwise 18 clockwise - balanced- counterclockwise clockwise - balanced- counterclockwise 20 clockwise - balanced- counterclockwise clockwise - balanced- counterclockwise 22 clockwise - balanced- counterclockwise clockwise - balanced- counterclockwise 24 clockwise - balanced- counterclockwise clockwise - balanced- counterclockwise 26 clockwise - balanced- counterclockwise clockwise - balanced- counterclockwise

2. At which angle did the Litienthal wing balance? ____________________________

3. At which angle did the flat plate balance? _________________________________

4. What conclusions can you draw about the angle and shape of the objects in relation to balance?

Related Pages:
Standards
Worksheet
Aerodynamics Activities Index
Aerodynamics Index

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