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DESCRIPTION
The helicopter Design of Experiments (DOE) is a classic training tool that teaches the fundamentals of DOE in a time efficient manner. It uses readily available supplies found in every organization and is transportable, meaning there is very little setup.
The objectives of this module are to: perform a 2k Full Factorial DOE, interpret the results of the DOE and develop a prediction equation for timing a helicopter drop time.
This material is suitable for independent study or formal classroom training and includes a list of tools and quiz questions.
2. DOE Materials Required
Materials:
•Stop watch
•Paper clip
•4 helicopters
• Helicopter 1: Wing length: Long
Body width: Fat/Thin
Body height: Tall
• Helicopter 2: Wing length: Long
Body width: Fat/Thin
Body height: Short
• Helicopter 3: Wing length: Short
Body width: Fat/Thin
Body height: Tall
• Helicopter 4: Wing length: Short
Body width: Fat/Thin
Body height: Short
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3. DOE Procedure
Step 2: Continued . . .
•Helicopter 3:
Wing length: Short
Body width: Fat/Thin
Body height: Tall
•Helicopter 4:
Wing length: Short
Body width: Fat/Thin
Body height: Short
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4. DOE Procedure
Step 5: Drop the helicopter and record the time
•Execute the helicopter drops in the order
given in the “RunOrder” column
•Using the “RunOrder” column, determine the
helicopter number and configure as
appropriate
•From a height of about 8 feet (~2.5 Meters)
drop the helicopter and record the time to
touch the floor
•Repeat this 16 times, 1 for each run
•Record the times in the spreadsheet
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5. DOE Procedure
Step 6: Analyze with 3 Factor DOE.xls
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6. 16
Exercise
None
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7. 1
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