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"A vortex generator (VG) is an aerodynamic surface, consisting of a small vane or bump that creates a vortex" What kind of bump?! — Preceding unsigned comment added by Arrivisto (talk • contribs)
I checked both refs cited and neither supports the inclusion of that term. The Peppler ref (a paper book) only mentions "vanes", and the the Micro AeroDynamics website ref does not describe the device used, although I know from experience that their kits only provide vanes, so I removed the word "bump". This can be added back in if anyone has a ref to support that! - Ahunt (talk) 12:08, 28 May 2013 (UTC)
One of the models of Learjet has vortex generators that aren't vanes. However, I wouldn't call them bumps; small rectangular blocks, perhaps. Learjet merely calls them "vortex generators". I agree that, in the absence of a reliable published source, we should only refer to vanes. Dolphin(t) 13:21, 28 May 2013 (UTC)