Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Windshield separation bubble revealed in tuft testing (on MGA; none on Geo Metro)

MetroMPG · 04-05-2009, 09:42 PM

Just thought this was interesting.

Modern cars have attached flow - no entrained vortex / separation bubble - at the base of the windshield. Hucho made a point of mentioning that even the relatively steep VW Golf mk 1 windshield had no separation at its base.

Source: Wind tunnel testing of the MGA

04-05-2009, 09:42 PM	#1 (permalink)
MetroMPG Batman Junior Join Date: Nov 2007 Location: 1000 Islands, Ontario, Canada Posts: 22,534 Blackfly - '98 Geo Metro Team Metro Last 3: 70.09 mpg (US) MPGiata - '90 Mazda Miata 90 day: 54.46 mpg (US) Appliance car Mirage - '14 Mitsubishi Mirage ES (base) 90 day: 57.73 mpg (US) Thanks: 4,082 Thanked 6,979 Times in 3,614 Posts	Windshield separation bubble revealed in tuft testing (on MGA; none on Geo Metro) Just thought this was interesting. Modern cars have attached flow - no entrained vortex / separation bubble - at the base of the windshield. Hucho made a point of mentioning that even the relatively steep VW Golf mk 1 windshield had no separation at its base. Source: Wind tunnel testing of the MGA Attached Thumbnails __________________ Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata Honda mods: Ecomodding my $800 Honda Fit 5-speed beater Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage. Ecodriving test: Manual vs. automatic transmission MPG showdown EcoModder has launched a forum for the efficient new Mitsubishi Mirage www.MetroMPG.com - fuel efficiency info for Geo Metro owners www.ForkenSwift.com - electric car conversion on a beer budget