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Vortex generators

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Sun Oct 11, 2015 7:21 am PostPost subject: Vortex generators
AK
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... a bit chavy I know Razz but I think useful.

Does anyone know of some cheap but strong individual fins on the market? Most stuff I have seen is from ebay and tends to be car specific - i.e a panel with the fins on it.
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Sun Oct 11, 2015 8:18 am PostPost subject:
Evo4dav
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These are the ones that were used on some evo 5/6's before specific ones were made.

http://www.ebay.co.uk/ulk/itm/121724293512
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Sun Oct 11, 2015 8:44 am PostPost subject:
Steviej
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Adam, sure I have some of these, were on my Evo, I'll have a look see if theyre still in the garage, free if you want them.
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Sun Oct 11, 2015 8:55 am PostPost subject:
AK
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That would be great Stevie Very Happy
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Mon Oct 12, 2015 1:23 pm PostPost subject:
Steviej
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Adam, I've looked in my garage and can't find these, typical but I'll keep searching and let you know if I find them, sorry !
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Mon Oct 12, 2015 3:00 pm PostPost subject:
AK
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no worries
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Mon Oct 12, 2015 8:56 pm PostPost subject:
HummuH
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So, how do these work with a BGW? They work together or two separate aero devices?
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Mon Oct 12, 2015 9:29 pm PostPost subject:
chorlton
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I think the fins break the air so it has more high pressure edges that act on the wing.

A bit like stirring tea to mix the milk Laughing

Or I'm talking crap, you decide Wink
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Tue Oct 13, 2015 12:13 am PostPost subject:
Floof
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used these on the Mini - dont remember them being particularly expensive.

http://www.airtab-uk.com/Home.aspx
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Tue Oct 13, 2015 6:00 am PostPost subject:
AK
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Mark - they work with the rear wing in effect... or I want them to compliment the rear wing .... they create vortices / vortexs?! off the roof line which helps airflow towards the rear wing.

I think the correct terminology is that it trys to prevent flow detachment/separation ... and they also decreases potential drag at the wing.

They work alone though... you see them on trucks (check Lee's link) for example.
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Tue Oct 13, 2015 8:27 am PostPost subject:
AK
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Those AirTabs are 4.20 per tab
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Tue Oct 13, 2015 12:55 pm PostPost subject:
Floof
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Yep - knew they werent expensive. The adhesive they use is pretty good too
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Tue Oct 13, 2015 1:06 pm PostPost subject:
AK
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..thats a fair bit more expensive than the linked ebay jobbies Razz
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