I am trying to build a ground roll chart for Robin DR400/180 following the procedure described
http://www.eaa1000.av.org/technicl/takeoff/topaper.htm#References. Does anyone know the tailwind, headwind, weight and density exponent to use for Robin DR400/180. Nothing is published in the flight manual.

  • $\begingroup$ It isn't clear what you are asking for. Three of the variables are external environmental conditions. A range of weights from zero fuel to MGTOW ought to in the manual. $\endgroup$ Nov 21 '20 at 15:47
  • $\begingroup$ @MichaelHall if you look at table 1 of the attached link, there are values specific to different aircrafts. I was wondering what are these values for a Robin DR400/180 $\endgroup$ Nov 21 '20 at 16:33
  • $\begingroup$ I don't think that "exponent" is the word you want. Maybe "coefficient"? $\endgroup$ Nov 22 '20 at 13:57
  • $\begingroup$ agree, it can be coefficient, I am just re-using the same terminology to help $\endgroup$ Nov 22 '20 at 16:19

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