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Moment Coefficients

  1. Jun 1, 2006 #1
    Is there a website that has these?

    The NASG database doesn't list values, just a plot (not the best way to read values!!!). The .dat file with each polar curve seems to only be lift, drag, and AoA.

    Any help is appreciated!!!
     
  2. jcsd
  3. Jun 2, 2006 #2
    Assuming you are speaking of aerodynamic moment coefficients, you should understand that they are different for each different aerodynamic body shape (not to mention their change over different speed/Mach ranges). Do you have a particular shape in mind? There are some really rough means for estimating them for simple shapes, but the best estimates come from Computational Fluid Dynamic programs and the real data comes from wind tunnel tests.

    Rainman
     
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