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Aerospace Determining the sign of control derivatives

  1. Nov 30, 2016 #1


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    I'm having quite a deal of trouble trying to figure this out. Say, for example, you wanted to have a statically stable aircraft. How do you determine what the signs (positive or negative) of the control derivates need to be for this condition to be satisfied ( CXα, CZα, Cmα, Cmq, CZδe, etc) ?
  2. jcsd
  3. Dec 2, 2016 #2
    what do these signs stand for?
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