PPRuNe Forums - View Single Post - best approach speed and techniques to avoid vortex ring condition

8th Jun 2017, 11:01

#33 (permalink)

paco

Join Date: Nov 2000

Location: White Waltham, Prestwick & Calgary

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According to the books I have here, the downwash velocity about 2 disc lengths below the machine is twice the induced velocity, so maybe getting anywhere near that may be a problem.

Phil

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