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Help calculating Speed To Fly for headwind and tailwind
I am looking for the equations to determine the speed to fly for a
headwind or tailwind. I can calculate the the speed to fly for no wind based on the polar from Equation V (Page 106, 1988 US Version) in Reichmann. He gives a graphical method to determine the speeds for a headwind or tailwind but I would like to translate this into an equation. I can do it by shifting the polar to the "true" ground speed, but then I have to correct the predicted STF from the equation by adding or subtracting the wind again. I'm not sure if this is the best way to do it. Anyone have a good set of equations or example of how to do this simply? Thanks, Tim |
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