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

Reply  Post New Thread
Submit Tools LinkBack Thread Tools
Old 09-17-2008, 07:11 PM   #1 (permalink)
EV test pilot
bennelson's Avatar
Join Date: Jan 2008
Location: Oconomowoc, WI, USA
Posts: 4,435

Electric Cycle - '81 Kawasaki KZ440
90 day: 334.6 mpg (US)

S10 - '95 Chevy S10
90 day: 30.48 mpg (US)

Electro-Metro - '96 Ben Nelson's "Electro-Metro"
90 day: 129.81 mpg (US)

The Wife's Car - Plug-in Prius - '04 Toyota Prius
90 day: 78.16 mpg (US)
Thanks: 17
Thanked 662 Times in 387 Posts
Chevy Volt Wind Tunnel Video

Just ran across this on YouTube.

Discuss amoungst yourselves...


My YouTube Videos
  Reply With Quote
Alt Today
Popular topics

Other popular topics in this forum...

Old 09-17-2008, 07:31 PM   #2 (permalink)
Master EcoModder
aerohead's Avatar
Join Date: Jan 2008
Location: Sanger,Texas,U.S.A.
Posts: 14,525
Thanks: 22,541
Thanked 6,715 Times in 4,255 Posts

Great video find! Thanks for sharing that!I would have preferred,Nina stay out from in front of the car,and just park a smoke rake there,so we could see more than one strata of air in an undisturbed flow field.Also,airspeed looks pretty slow.If its 20-mph or better,then they'll have turbulent boundary layer,hard to tell.From one of the monitors in the control room you could just barely glimpse the back of the car,with smoke spilling into the wake.Sure would have liked to see more of the aft flow! 30% drag reduction will mean 15% greater battery range.Nice!
Photobucket album: http://s1271.photobucket.com/albums/jj622/aerohead2/
  Reply With Quote
Old 09-17-2008, 08:20 PM   #3 (permalink)
Deadly Efficient
Tango Charlie's Avatar
Join Date: Jun 2008
Location: Goshen, Indiana
Posts: 1,234

Olivia - '03 Pontiac Vibe base
90 day: 36.01 mpg (US)

R2-D2 - '00 Honda Insight
90 day: 58.81 mpg (US)
Thanks: 134
Thanked 175 Times in 91 Posts
I think I'm in love...
  Reply With Quote
Old 09-17-2008, 09:16 PM   #4 (permalink)
Master EcoModder
Red's Avatar
Join Date: Mar 2008
Location: SF Bay Area
Posts: 713
Thanks: 1
Thanked 9 Times in 9 Posts
Its starting to grow on me....
  Reply With Quote
Old 09-17-2008, 10:20 PM   #5 (permalink)
Join Date: Dec 2007
Location: South Louisiana
Posts: 1,751

FarFarfrumpumpen - '03 Volkswagen Jetta Wagon GLS Premium

Quorra - '12 Tesla Model S P85
Thanks: 57
Thanked 108 Times in 84 Posts
Send a message via AIM to dremd
I would definitely like to see more than 1 flow path, and higher speed.

But MOST importantly. GM Please don't let us down again. I want to like you, I truly do, you've done so much to piss me off lately, but if you can get this right I can forgive you.
2012 Tesla Model S P85
2013 Nissan LEAF SV totaled by now deceased intoxacated driver.
2012 Nissan LEAF SV
6 speed ALH TDI Swapped in to a 2003 Jetta Wagon
  Reply With Quote
Old 09-17-2008, 10:34 PM   #6 (permalink)
EcoModding Enthusiast
Join Date: May 2008
Location: Austin
Posts: 155

Silver Bullet - '03 Mazda Protege LX
90 day: 29.51 mpg (US)

Silver Bullet - '03 Mazda Protege LX
90 day: 37.06 mpg (US)

Blaze - '17 Ford Escape
Thanks: 23
Thanked 2 Times in 2 Posts
yeah, what are they testing this at 20 mph?

last time i checked, a top speed of 100 mph was advertised.
  Reply With Quote
Old 09-17-2008, 11:34 PM   #7 (permalink)
Master EcoModder
tasdrouille's Avatar
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
So they got the Cd down 30% from the original concept. Do you know what the original concept Cd is? 0.43 is the number reported. The production version is said to have a Cd of 0.28-0.3. Hardly impressive.

www.HyperKilometreur.com - Quand chaque goutte compte...
  Reply With Quote
Old 09-18-2008, 02:13 AM   #8 (permalink)
Master EcoModder
orange4boy's Avatar
Join Date: Aug 2008
Location: The Wet Coast, Kanuckistan.
Posts: 1,274

The Golden Egg - '93 Toyota Previa DX
90 day: 31.91 mpg (US)

Chewie - '03 Toyota Prius
90 day: 57 mpg (US)

The Spaceship - '00 Honda Insight
Thanks: 98
Thanked 301 Times in 177 Posts
The Volt: much sound and fury, signifying nothing.

Nice fluff photoshoot. Cute scientist, studio lighting, smoke show.

Despite the obviously set up photoshoot, I think GM may actually be somewhat serious this time. The styling is incredibly conventional, almost boring. This means they actually want to sell some of these. The prototype was ugly which made me worry that they were trying to make a flop on purpose.

The Cd numbers are pretty sad, but remember this is GM. They still want you to use a bunch of gas. Image is everything. They want to seem like they are innovating and green with out actually having to do it. Nothing in the volt that I have seen is either innovative or revolutionary. If they were really serious about getting their customers off gas they would be developing all electric vehicles period.

Don't look behind the curtain...
Vortex generators are old tech. My new and improved vortex alternators are unstoppable.

"Itís easy to explain how rockets work but explaining the aerodynamics of a wing takes a rocket scientist.

  Reply With Quote
Old 09-18-2008, 02:27 PM   #9 (permalink)
Master EcoModder
Join Date: Feb 2008
Location: Omaha Nebraska area
Posts: 271

Civic - '98 Honda Civic DX
90 day: 41.44 mpg (US)
Thanks: 1
Thanked 8 Times in 5 Posts
as long as it dosn't squeak and rattle inside like the cavilers did then I may consider geting one.

They probably did it at 20mph for this video because they didn't want ninas hair blowing everywere in the video.
  Reply With Quote
Old 09-18-2008, 03:17 PM   #10 (permalink)
Batman Junior
MetroMPG's Avatar
Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,412

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

MPGiata - '90 Mazda Miata
90 day: 52.07 mpg (US)

Even Fancier Metro - '14 Mitsubishi Mirage top spec
90 day: 70.75 mpg (US)

Appliance car - '14 Mitsubishi Mirage ES (base)
90 day: 66.16 mpg (US)
Thanks: 3,942
Thanked 6,820 Times in 3,540 Posts
Originally Posted by tasdrouille View Post
The production version is said to have a Cd of 0.28-0.3. Hardly impressive.
They're apparently using the Prius as a benchmark, and at the same time claiming that Toyota's Cd numbers aren't accurate: http://ecomodder.com/forum/18401-post9.html

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

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
Reply  Post New Thread

Thread Tools

Similar Threads
Thread Thread Starter Forum Replies Last Post
Cars compared in wind tunnel Bearleener Aerodynamics 30 08-26-2011 05:38 PM
Homemade wind tunnel? justpassntime Aerodynamics 17 06-05-2011 03:17 PM
Video: Weird chevy volt ad SVOboy General Efficiency Discussion 10 09-18-2008 03:08 PM
Virtual Wind Tunnel rockorager Aerodynamics 1 06-03-2008 05:34 PM
More doubt thrown at the chevy volt SVOboy Fossil Fuel Free 1 04-22-2008 06:27 PM

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2022, vBulletin Solutions Inc.
Content Relevant URLs by vBSEO 3.5.2
All content copyright EcoModder.com