05-04-2018, 09:04 AM
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#31 (permalink)
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120mpg way back in the day. Swoopy but not all that aero. But the small frontal area is tough to beat.
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05-04-2018, 01:32 PM
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#32 (permalink)
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05-05-2018, 01:18 PM
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#33 (permalink)
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fangs
Quote:
Originally Posted by MetroMPG
Anybody else noticed the "canines" / fangs on the air dam of the Chevy Cruze (and possibly a couple of other GM cars)?
I'll see if I can find a pic...
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They're supposed to be for crosswind stability,killing any chance for a yawing moment by forcing separation at the 'fang.'
They'd also kill crosswind bi-stable flow-induced flutter.
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05-05-2018, 03:03 PM
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#34 (permalink)
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In this infographic they appear in the lower right as 'vortex traps'.
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05-16-2018, 07:01 PM
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#35 (permalink)
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JACG:There were some mighty big Goodyears on Admiral Byrd’s Antarctic Snow Cruiser in 1939
It was an aircraft carrier. A little touch-up on the wheelwells and a boat tail is all it needs. It couldn't make 13mph. 
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05-18-2018, 06:32 PM
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#36 (permalink)
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05-20-2018, 10:01 PM
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#37 (permalink)
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05-22-2018, 05:02 PM
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#38 (permalink)
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I don't think height off the pavement is the biggest thing working against this rear diffuser, maybe a possible messy underbelly that I have not seen is.
Interesting '86 944 Turbo Widebody - Pelican Parts Technical BBS
Your take?
If you read some of the comments you get an idea of the debate over it.
Where it says PORSCHE on the side sure looks like a side skit to me.
The rocker panel does sitck out more in the one first posted, makes the door look like it's set back, not flush.
Another black 944
http://www.moibbk.com/gallery/model-...ack-8.jpg.html
The rocker panel does stick out more in the one first posted, makes the door look like it's set back, not flush.
A lot less drag and weight on the stock car, I'll say that much.
Last edited by kach22i; 05-22-2018 at 05:21 PM..
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05-22-2018, 05:39 PM
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#39 (permalink)
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Quote:
Originally Posted by kach22i
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my guess is that the sub is seldom the traveling in a straight line, so straight forward Hydro Dynamics would not apply. There may be less turbulence/ noise while turning.
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1st gen cummins 91.5 dodge d250 ,HX35W/12/6 QSV
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best tank: distance 649gps mi 24.04 mpg 27.011usg
Best mpg : 31.32mpg 100mi 3.193 USG 5/2/20
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'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
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05-22-2018, 10:17 PM
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#40 (permalink)
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Quote:
Your take?
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Agree. The fences fall short. You can see clear through the off-side wheel. And the diffuser only fills the middle two quarters of the rear.
Chris Runge is at it again:
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