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#1
September 24th 19, 01:24 AM
posted to rec.aviation.soaring
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Kawa rough landing?
We should get an aero engineer to comment but in simple terms the AOA of the prop can become negative with a windmilling prop(depending on pitch design and rotational speed). If that happens you get negative thrust.
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#2
September 24th 19, 04:26 AM
posted to rec.aviation.soaring
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Kawa rough landing?
On Monday, September 23, 2019 at 5:24:13 PM UTC-7, wrote:
We should get an aero engineer to comment but in simple terms the AOA of the prop can become negative with a windmilling prop(depending on pitch design and rotational speed). If that happens you get negative thrust. Here is a study of the subject: http://www.peter2000.co.uk/aviation/misc/prop.pdf Conclusion: it depends. In this paper the same conclusion is reached (note the date): http://naca.central.cranfield.ac.uk/...report-464.pdf Tom
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