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Strain gage to measure drag in a wind tunnel?

  1. Mar 12, 2013 #1
    How would a strain gage be set up (on top of the model? around the sting?) to measure drag? I don't quite understand the connection between the force of drag and some sort of compression/tension force...?

    Thanks for the clarification.
     
  2. jcsd
  3. Mar 12, 2013 #2

    Simon Bridge

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    Consider: what is drag? Where does it come from?
     
  4. Mar 16, 2013 #3
    Think of a bending beam...
     
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