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

Reply  Post New Thread
 
Submit Tools LinkBack Thread Tools
Old 10-23-2015, 05:29 PM   #1721 (permalink)
Cd
Ultimate Fail
 
Cd's Avatar
 
Join Date: Feb 2008
Location: Austin,Texas
Posts: 3,585
Thanks: 2,872
Thanked 1,121 Times in 679 Posts
Kach, I'd love to see the pics !
Supposedly, the car had an absolutely phenomenal Cd of .13* !
Have any of you found more info on this cars drag ? I'd love to see a modern day test, but have not come across one yet.
With Aerohead planning a trip to the wind tunnel, perhaps I can build a 1/4 scale model of the car to confirm that Cd .
PM if you like the idea Phil !

*To give some of the new readers here an idea of just how good that a .13 drag coefficient is, consider that this streamliner 'car' has a Cd of .147 ...so pretty close to .15.


The Panhard is listed at .13, with some sources giving a Cd of .12 !


Last edited by Cd; 10-23-2015 at 06:18 PM..
  Reply With Quote
The Following User Says Thank You to Cd For This Useful Post:
aerohead (10-24-2015)
Alt Today
Popular topics

Other popular topics in this forum...

   
Old 10-23-2015, 09:39 PM   #1722 (permalink)
Master EcoModder
 
freebeard's Avatar
 
Join Date: Aug 2012
Location: northwest of normal
Posts: 28,491
Thanks: 8,058
Thanked 8,859 Times in 7,313 Posts
Personally, I like this one the best:



And the bus would make a nice motor home.

It looks streetable. I like the cutout for tire clearance on the fender skirt, but it lacks the spat-like contour of the race car. The only other thing is the way the hood cut-line dies into the front wheelwell.
  Reply With Quote
The Following User Says Thank You to freebeard For This Useful Post:
aerohead (10-24-2015)
Old 10-24-2015, 01:33 PM   #1723 (permalink)
Master EcoModder
 
aerohead's Avatar
 
Join Date: Jan 2008
Location: Sanger,Texas,U.S.A.
Posts: 16,225
Thanks: 24,372
Thanked 7,354 Times in 4,754 Posts
1/4-scale

Quote:
Originally Posted by Cd View Post
Kach, I'd love to see the pics !
Supposedly, the car had an absolutely phenomenal Cd of .13* !
Have any of you found more info on this cars drag ? I'd love to see a modern day test, but have not come across one yet.
With Aerohead planning a trip to the wind tunnel, perhaps I can build a 1/4 scale model of the car to confirm that Cd .
PM if you like the idea Phil !

*To give some of the new readers here an idea of just how good that a .13 drag coefficient is, consider that this streamliner 'car' has a Cd of .147 ...so pretty close to .15.


The Panhard is listed at .13, with some sources giving a Cd of .12 !
It's gonna have to be at least 1/3rd-scale to get a critical Reynolds number and correct coefficient.
__________________
Photobucket album: http://s1271.photobucket.com/albums/jj622/aerohead2/
  Reply With Quote
Old 10-24-2015, 10:55 PM   #1724 (permalink)
Master EcoModder
 
freebeard's Avatar
 
Join Date: Aug 2012
Location: northwest of normal
Posts: 28,491
Thanks: 8,058
Thanked 8,859 Times in 7,313 Posts
I've got 42" across the roof. At half scale and 3.79 fineness ratio, that would be an 11ft model of a 22ft vehicle, with possibility of a 10% truncation. So that's possible.

Is there any reason to go 1/2 scale instead of 1/3rd?
  Reply With Quote
Old 10-25-2015, 02:21 PM   #1725 (permalink)
Thalmaturge
 
Join Date: Mar 2011
Location: The edge of nowhere
Posts: 1,162

Spicy Italian - '13 Fiat 500 Abarth

eBike - '94 Trek Mountain Track 820

CHONK - '18 Honda Clarity
Thanks: 766
Thanked 643 Times in 429 Posts
Just saw this one and thought of this thread... the Maybach Exelero.

A one-off designed for high speed tire tests, later sold to a rapper who replaced those lovely aero wheels with some blingy crap.
Attached Thumbnails
Click image for larger version

Name:	Maybach-Exelero-729x486-8dce18478b5470cb.jpg
Views:	67
Size:	27.3 KB
ID:	18961  
  Reply With Quote
The Following 3 Users Say Thank You to samwichse For This Useful Post:
aerohead (10-26-2015), BamZipPow (10-29-2015), Joggernot (10-25-2015)
Old 10-26-2015, 06:24 PM   #1726 (permalink)
Master EcoModder
 
aerohead's Avatar
 
Join Date: Jan 2008
Location: Sanger,Texas,U.S.A.
Posts: 16,225
Thanks: 24,372
Thanked 7,354 Times in 4,754 Posts
Jcb dieselmax

I looked at my data for the JCB streamliner,and it shows up to Cd 0.17 measured for that car.
__________________
Photobucket album: http://s1271.photobucket.com/albums/jj622/aerohead2/
  Reply With Quote
The Following 2 Users Say Thank You to aerohead For This Useful Post:
BamZipPow (10-29-2015), NeilBlanchard (10-26-2015)
Old 10-29-2015, 12:52 PM   #1727 (permalink)
Master EcoModder
 
kach22i's Avatar
 
Join Date: Jul 2011
Location: Ann Arbor, Michigan
Posts: 4,176
Thanks: 125
Thanked 2,802 Times in 1,968 Posts
Slow to load website, well worth the wait.

Don't forget to use your scroll wheel on the very first (top view) image.

Concept Mission-E Porsche
Tribute to tomorrow. Porsche Concept Study Mission E. | Dr. Ing. h.c. F. Porsche AG

I didn't see anything on the coefficient of drag, but I'm guessing it's pretty clean.
__________________
George
Architect, Artist and Designer of Objects

2012 Infiniti G37X Coupe
1977 Porsche 911s Targa
1998 Chevy S-10 Pick-Up truck
1989 Scat II HP Hovercraft

You cannot sell aerodynamics in a can............
  Reply With Quote
The Following 2 Users Say Thank You to kach22i For This Useful Post:
BamZipPow (10-29-2015), skyking (10-30-2015)
Old 10-29-2015, 02:12 PM   #1728 (permalink)
Master EcoModder
 
freebeard's Avatar
 
Join Date: Aug 2012
Location: northwest of normal
Posts: 28,491
Thanks: 8,058
Thanked 8,859 Times in 7,313 Posts
The running boards open with the doors.

Porsche are going with an 800v system. Where will they find the fast charging stations. CHAdeMO for instance tops out at 500v.
  Reply With Quote
Old 10-29-2015, 05:15 PM   #1729 (permalink)
EcoModding Apprentice
 
Join Date: May 2014
Location: The Netherlands
Posts: 114

Volvo 360 - '85 Volvo 360

Peugeot - '01 Peugeot 306
Thanks: 47
Thanked 96 Times in 34 Posts
Looks like Tesla beat them by a few years. But still interesting.
  Reply With Quote
Old 10-29-2015, 05:25 PM   #1730 (permalink)
CFECO
 
CFECO's Avatar
 
Join Date: May 2008
Location: Vail, AZ.
Posts: 552

X-Car - '11 Homemade 2+2

Velbly1 - '17 Toyota Camery XSE
90 day: 29 mpg (US)

Velbly2 - '13 Toyota Tundra
90 day: 18.03 mpg (US)
Thanks: 174
Thanked 60 Times in 56 Posts
1/2 pack...400 volts, alternate pack halves.

  Reply With Quote
The Following User Says Thank You to CFECO For This Useful Post:
freebeard (10-29-2015)
Reply  Post New Thread




Similar Threads
Thread Thread Starter Forum Replies Last Post
Electric Cars Push Japan Engine Parts Makers to Crisis Mode tjts1 The Lounge 14 12-23-2012 01:47 PM
Name that Eco Car! Quiz: identify these aerodynamic production cars MetroMPG Aerodynamics 16 08-30-2009 06:24 AM



Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Content Relevant URLs by vBSEO 3.5.2
All content copyright EcoModder.com