Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Does Area Under Car Count in Frontal Area?

tasdrouille · 04-06-2009, 11:20 PM

Exactly, if you know your underside is aero dirty, with lots of parts sticking out in the flow and plenty of interference drag, you want as little air flowing there as possible. That is why air dams work too, trading frontal area for Cd.

04-06-2009, 11:20 PM	#5 (permalink)
tasdrouille Master EcoModder Join Date: Jan 2008 Location: Mirabel, QC Posts: 1,672 The Guzzler - '08 Hyundai Elantra GL 90 day: 33.12 mpg (US) Got Soul? - '11 Kia Soul 2U Thanks: 35 Thanked 86 Times in 57 Posts	Exactly, if you know your underside is aero dirty, with lots of parts sticking out in the flow and plenty of interference drag, you want as little air flowing there as possible. That is why air dams work too, trading frontal area for Cd. __________________ www.HyperKilometreur.com - Quand chaque goutte compte...