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tasdrouille · 04-14-2009, 12:23 PM

I don't think this have much to do with the feathers themselves. By placing the feathers in the way they did, they effectively altered the shape of the cylinder, making it more like an oval, which obviously have a lower Cd.

04-14-2009, 12:23 PM	#2 (permalink)
tasdrouille Moderator Join Date: Jan 2008 Location: Mirabel, QC Posts: 1,672 The Guzzler - '08 Elantra GL 90 day: 33.12 mpg (US) Got Soul? - '011 Soul 2U Thanks: 35 Thanked 66 Times in 41 Posts	I don't think this have much to do with the feathers themselves. By placing the feathers in the way they did, they effectively altered the shape of the cylinder, making it more like an oval, which obviously have a lower Cd. __________________ www.HyperKilometreur.com - Quand chaque goutte compte...