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Old 12-04-2013, 09:27 AM   #13 (permalink)
kach22i
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Quote:
Originally Posted by CapriRacer View Post
When close to the ground, the vortices from the wingtips encounter the ground and provide a barrier to air migration out of the under wing area.
I had not ventured outside of 2D thinking on this topic until now.

Yes, this would seem to be an additional factor.

Aerospaceweb.org | Ask Us - Ground Effect and WIG Vehicles


McCabism: Front-wing ground effect

Quote:
but the current emphasis is perhaps a consequence of the new technical regulations introduced for the 2009 season, which permitted the front-wing to be much closer to the ground.
Flying in the Ground Effect - Chuck's Overview - X-Plane.Org Forum


Ground Effect and Wingspan | Jetcareers
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