08-13-2016, 04:33 PM
|
#151 (permalink)
|
Primer is still paint!
Join Date: Aug 2015
Location: box by the river
Posts: 615
Thanks: 139
Thanked 159 Times in 125 Posts
|
Quote:
Originally Posted by kach22i
It would similar to any other bluff body with truncated fastback/hatchback (flat plane). A big old vortex generator.
A couple of those hot dog vehicles are not so bad.
|
I love the shot of the guy presumably pulling the hotdog cart with a Lambo.
Now we know how he can afford it!
Almost has a song quality to it....
~You pull your weenie with your Lambo cause it gets the job done~
-lol
__________________
|
|
|
Today
|
|
|
Other popular topics in this forum...
|
|
|
08-14-2016, 03:55 AM
|
#152 (permalink)
|
Master EcoModder
Join Date: Aug 2012
Location: northwest of normal
Posts: 28,715
Thanks: 8,150
Thanked 8,933 Times in 7,375 Posts
|
Quote:
Originally Posted by kach22i
A big old vortex generator.
|
....and which way would the vortexes roll?
|
|
|
08-14-2016, 05:31 PM
|
#153 (permalink)
|
Master EcoModder
Join Date: Jul 2011
Location: Ann Arbor, Michigan
Posts: 4,187
Thanks: 132
Thanked 2,809 Times in 1,973 Posts
|
Quote:
Originally Posted by freebeard
....and which way would the vortexes roll?
|
The longer path will be the lower pressure, lower pressure on top, gets pushed higher from higher pressure at the sides.
Same going forward as backwards, uplift of air in a rolling vortex in each configuration.
However going forward the vortexes push down on the body (downforce), going backwards uplift is the result.
__________________
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............
|
|
|
08-14-2016, 08:27 PM
|
#154 (permalink)
|
Master EcoModder
Join Date: Aug 2012
Location: northwest of normal
Posts: 28,715
Thanks: 8,150
Thanked 8,933 Times in 7,375 Posts
|
Quote:
Same going forward as backwards, uplift of air in a rolling vortex in each configuration.
[vs]
However going forward the vortexes push down on the body (downforce), going backwards uplift is the result.
|
Once that is sorted we can get back to how to mitigate the effect. Extrude the pyramidal cap adds 4 vertexes. Beveling the problematic edge makes each vertex four, so adds twelve, but blunts the corners. 4% of the gross width is a good target.
Wait a minute — this is the UN-aerodynamic thread. It's perfect.
|
|
|
08-15-2016, 06:21 AM
|
#155 (permalink)
|
Primer is still paint!
Join Date: Aug 2015
Location: box by the river
Posts: 615
Thanks: 139
Thanked 159 Times in 125 Posts
|
Here is a link to a flee-bay auction for a weird but kind-of cool old Thing. Which is pretty aerodynamically challenged!
(I didn't wanna post this public until asked to do so, as some forums complain about these kinds of posts)
Volkswagen Beetle Classic Dummy Tank | eBay
__________________
|
|
|
The Following User Says Thank You to ChopStix For This Useful Post:
|
|
08-15-2016, 07:15 AM
|
#156 (permalink)
|
Master EcoWalker
Join Date: Dec 2012
Location: Nieuwegein, the Netherlands
Posts: 3,999
Thanks: 1,714
Thanked 2,247 Times in 1,455 Posts
|
^ Nice Kübelwagen ( https://en.wikipedia.org/wiki/Volksw...%C3%BCbelwagen)
That probably is the type 82/3 from the Wikipedia list.
__________________
2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
lifetime FE over 0.2 Gigameter or 0.13 Megamile.
For confirmation go to people just like you.
For education go to people unlike yourself.
|
|
|
08-15-2016, 10:11 AM
|
#157 (permalink)
|
Master EcoModder
Join Date: Jul 2011
Location: Ann Arbor, Michigan
Posts: 4,187
Thanks: 132
Thanked 2,809 Times in 1,973 Posts
|
Quote:
Originally Posted by ChopStix
Here is a link to a flee-bay auction for a weird but kind-of cool old Thing. Which is pretty aerodynamically challenged!
(I didn't wanna post this public until asked to do so, as some forums complain about these kinds of posts)
Volkswagen Beetle Classic Dummy Tank | eBay
|
Thanks for the link, I went ahead and posted it in another forum already.
Random TRANSPORTATION pictures - Page 1731 - Pelican Parts Technical BBS
From the same thread, different page:
Pelican Parts Technical BBS - Powered by vBulletin
__________________
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............
|
|
|
08-15-2016, 02:49 PM
|
#158 (permalink)
|
Master EcoModder
Join Date: Aug 2012
Location: northwest of normal
Posts: 28,715
Thanks: 8,150
Thanked 8,933 Times in 7,375 Posts
|
Considering the production numbers and the condition, it's amazing that the ersatzpanzer is only bid up to $22K. I hope it goes to the Lane Auto Museum.
What I learned for the Wikipedia article is that the Kubelwagen had a ZF limited slip differential. No wonder they were so popular for building race cars after hostilities has ceased.
|
|
|
The Following User Says Thank You to freebeard For This Useful Post:
|
|
08-16-2016, 09:40 AM
|
#159 (permalink)
|
Master EcoModder
Join Date: Jul 2011
Location: Ann Arbor, Michigan
Posts: 4,187
Thanks: 132
Thanked 2,809 Times in 1,973 Posts
|
__________________
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............
|
|
|
08-17-2016, 12:20 AM
|
#160 (permalink)
|
Master EcoModder
Join Date: Dec 2014
Location: Butte, Montana
Posts: 726
Thanks: 208
Thanked 428 Times in 279 Posts
|
Brakes all the template guidelines.
Saw this driving threw Portland OR 8/16/16
(Edit: add location of pic)
__________________
1st gen cummins 91.5 dodge d250 ,HX35W/12/6 QSV
ehxsost manafulld wrap, Aero Tonto
best tank: distance 649gps mi 24.04 mpg 27.011usg
Best mpg : 31.32mpg 100mi 3.193 USG 5/2/20
Former
'83 GMC S-15 Jimmy 2door 2wd O/D auto 3.73R&P
'79 Chevy K20 4X4 350ci 400hp msd custom th400 /np205. 7.5-new 14mpg modded befor modding was a thing
87' Hyundai Excel
83 ranger w/87 2.9 L FI2wd auto 18mpg on the floor
04 Mitsubishi Gallant 2.4L auto 26mpg
06 Subaru Forrester XT(WRX PACKAGE) MT AWD Turbocharged 18 plying dirty best of 26mpg@70mph
95Chevy Blazer 4x4 auto 14-18mpg
04 Chevy Blazer 4x4 auto 16-22mpg
|
|
|
|