does a partially covered air intake of a ducted propeller significantly affect its thrust? If so, will it be like 10 or rather 90 percent less thrust ?

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Thanks for your answers!


  • $\begingroup$ This may mostly depend on relative wind speed and direction. $\endgroup$
    – qq jkztd
    Jul 23 '18 at 8:26
  • $\begingroup$ It certainly would. You've introduced an inlet restriction as well as a lot of turbulence to the flow. $\endgroup$
    – John K
    Jul 23 '18 at 13:41
  • $\begingroup$ A full discussion would involve fluid dynamics and might be too broad (although Peter Kampf has a habit of condensing stuff like that nicely) however if would be extremely helpful for you to give an/some examples to narrow the scope. $\endgroup$
    – CGCampbell
    Jul 23 '18 at 13:42

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