Handout
*Created by Mike Winston, Shelley School District*
Wind Turbines and Graphing DRAFT
Objectives
1. Understand experimental variables and controls
2. Understand blade pitch
3. Understand how to construct a line graph
4. Understand how to use a line graph to predict
Materials
1. Fan
2. Multimeter
3. Blade pitch demonstration unit
4. Graph paper
Procedure
1. Set up blade pitch demonstration unit
2. Set pitch to 00
3. Record results in table
4. Repeat for 100, 200, 300 , 40 0 , 50 0..
5. Graph results
6. Predict optimum pitch
7. Test to see if the prediction is correct
Results
Pitch
00
100
200
300
400
500
Output
Conclusion
1. What do you think the optimal pitch will be?
2. What was the optimal pitch?
3. Were you correct? Explain why you might have been wrong.
Blade Pitch vs Output