Go Back   EcoModder Forum > EcoModding > Aerodynamics
Register Now
 Register Now
 

Reply  Post New Thread
 
Submit Tools LinkBack Thread Tools
Old 09-08-2014, 10:52 AM   #1 (permalink)
EcoModding Lurker
 
Join Date: Sep 2014
Location: Finland
Posts: 3

Meganator - '99 Renault Megane Hatchback
90 day: 38.65 mpg (US)
Thanks: 0
Thanked 2 Times in 1 Post
Would these cake trays improve aerodynamics? (Wheel covers)

I found plastic cake trays that are the right size for my wheels, but the center part protrudes about 1 cm outside of the wheel.

Do you think that these would improve the aerodynamics or make it worse?

Attached Thumbnails
Click image for larger version

Name:	cake_tray.jpg
Views:	47
Size:	140.7 KB
ID:	15779   Click image for larger version

Name:	wheel.jpg
Views:	35
Size:	140.4 KB
ID:	15780  
  Reply With Quote
Alt Today
Popular topics

Other popular topics in this forum...

   
Old 09-08-2014, 12:09 PM   #2 (permalink)
Not Doug
 
Xist's Avatar
 
Join Date: Jun 2012
Location: Show Low, AZ
Posts: 10,558

Chorizo - '00 Honda Civic HX, baby! :D
90 day: 35.35 mpg (US)

Mid-Life Crisis Fighter - '99 Honda Accord LX
90 day: 33.68 mpg (US)

Gramps - '04 Toyota Camry LE
90 day: 33.15 mpg (US)
Thanks: 6,968
Thanked 1,979 Times in 1,505 Posts
I would recommend sanding down that circle. Good luck!
  Reply With Quote
Old 09-08-2014, 01:22 PM   #3 (permalink)
Batman Junior
 
MetroMPG's Avatar
 
Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,206

Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 53.56 mpg (US)

Winter beater Metro - '00 Chevrolet Metro
90 day: 61.98 mpg (US)

Fancy Metro - '14 Mitsubishi Mirage top spec
90 day: 58.72 mpg (US)

Even Fancier Metro - '14 Mitsubishi Mirage top spec
90 day: 70.75 mpg (US)
Thanks: 3,787
Thanked 6,616 Times in 3,433 Posts
I wouldn't be able to guess. That hard edge on the tray is a problem. Then again the open spoke pattern of the uncovered wheel is pretty bad to begin with.

Too close to call.

Experiment!
__________________
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: Oops, I did it again! Bought another cheap, 3-cylinder Mirage. Mods in progress...
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
  Reply With Quote
Old 09-08-2014, 01:34 PM   #4 (permalink)
EcoModding Lurker
 
Join Date: Sep 2014
Location: Finland
Posts: 3

Meganator - '99 Renault Megane Hatchback
90 day: 38.65 mpg (US)
Thanks: 0
Thanked 2 Times in 1 Post
Thanks for the comments. I think I'll try to find something with better shape. I only bought one to see how it would fit. I don't have fuel gauge yet, but maybe I could do roll down testing when I get something ready.

Any tips for fastening these or something similar?
  Reply With Quote
Old 09-09-2014, 07:15 PM   #5 (permalink)
Master EcoModder
 
freebeard's Avatar
 
Join Date: Aug 2012
Location: northwest of normal
Posts: 19,681
Thanks: 5,519
Thanked 6,472 Times in 5,203 Posts
Drill it for your bolt pattern, take off the wheel and sandwich it between the wheel and brake. It will never fall off, and it might even help.

  Reply With Quote
Reply  Post New Thread


Thread Tools




Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, vBulletin Solutions Inc.
Content Relevant URLs by vBSEO 3.5.2
All content copyright EcoModder.com