Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Vortex generators - where's the solid data for hatchback/van benefits?

MetroMPG · 11-28-2007, 10:36 AM

Info given to me by Ron Davidson at Airtabs. (Posted with permission)

3rd party tests showing utility of tractor/trailer "gap" VG application at MIRA (British Motor Industry Research Association) test track, by IRTE/BTAC (Institute of Road Transportation Engineers / Brewing Transport Advisory Committee), 1994.
http://www.box.net/public/sbj6b0xsrk
Airtabs background info on the MIRA/IRTE/BTAC report.
http://www.box.net/public/e192gezve1

AND most relevant to my situation:

Images showing wind tunnel results (base pressure reduction, ie. improvements to low pressure zone at the back of the car ) on a Civic hatchback model with VG's installed only on the sides. Click to zoom.

11-28-2007, 10:36 AM	#1 (permalink)
MetroMPG Batman Junior Join Date: Nov 2007 Location: 1000 Islands, Ontario, Canada Posts: 22,530 Blackfly - '98 Geo Metro Team Metro Last 3: 70.09 mpg (US) MPGiata - '90 Mazda Miata 90 day: 54.46 mpg (US) Even Fancier Metro - '14 Mitsubishi Mirage top spec 90 day: 70.75 mpg (US) Appliance car Mirage - '14 Mitsubishi Mirage ES (base) 90 day: 62.14 mpg (US) Thanks: 4,078 Thanked 6,978 Times in 3,613 Posts	Vortex generators - where's the solid data for hatchback/van benefits? Info given to me by Ron Davidson at Airtabs. (Posted with permission) 3rd party tests showing utility of tractor/trailer "gap" VG application at MIRA (British Motor Industry Research Association) test track, by IRTE/BTAC (Institute of Road Transportation Engineers / Brewing Transport Advisory Committee), 1994. http://www.box.net/public/sbj6b0xsrk Airtabs background info on the MIRA/IRTE/BTAC report. http://www.box.net/public/e192gezve1 AND most relevant to my situation: Images showing wind tunnel results (base pressure reduction, ie. improvements to low pressure zone at the back of the car ) on a Civic hatchback model with VG's installed only on the sides. Click to zoom. __________________ 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