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Old 08-07-2012, 09:07 PM   #1 (permalink)
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Maybe this will help the the Volvo SW

I got plastic I got tape I got beer. Anyone think this will help? or am I about to get a littering fine for flying debris on car. SC

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Old 08-07-2012, 09:42 PM   #2 (permalink)
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looks like pic no work , 2nd try
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Old 08-07-2012, 09:53 PM   #3 (permalink)
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ok
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Old 08-07-2012, 10:32 PM   #4 (permalink)
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I suggest you start after 4:20
You may end up with the " Red Green" effect, if you attempt while drinking beers.. :-)

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Old 08-08-2012, 06:39 AM   #5 (permalink)
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Ok lets try to post that there picture again, Yaeh! SC
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Old 08-08-2012, 06:55 PM   #6 (permalink)
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maybe

Quote:
Originally Posted by SmellyCat View Post
Ok lets try to post that there picture again, Yaeh! SC
The base pressure that you're trying to increase is governed by the pressure at the point of flow separation.
Since the spoiler is only partial coverage,the low pressure all around the perimeter of separation is still being communicated into the wake.
For the extension to really help,it needs to wrap all the way around,forming either a cavity,or closed in to make a proper boat tail.
Also,the downward slope is 'fast' and can lead to separation and attached longitudinal vortices which impart really high drag.
Check out the 'Aerodynamic Streamlining Template' tool at the top of the Forum page as a worry-free guide for shaping.

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