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Vortex Ring / Settling with power (Merged)
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3rd Feb 2011, 14:13
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rotorfossil
Join Date: Nov 2001
Location: Norfolk
Age: 85
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Crab. My understanding is that a rough surface/long grass etc slows the outflow which is then picked up and enhances the tip vortices. This leads to loss of rotor thrust at the outboard parts of the blade thus reducing the benefit of ground effect.
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