All Things Mk5 > Performance Modifications
improving aerodynamics with OEM parts
Richn83:
Interesting, that does look interesting. Do you have any empirical detail of the improvements in efficiency or top speed? The extra protection for the engine bay from the elements in the UK is interesting enough. The bobbles on the golf balls are designed to help it move cleanly through the air and travel further so I guess they do something similar.
the bruce:
Thanx, Robin for the pics. Looks really impressive. :happy2:
I know the small braces from GT spec, but not this huge one.
Maybe it stiffens the underbody a little bit, but it won't improve aerodynamics.
It can't do any harm. So what's the price?
--- Quote from: richwig83 on December 22, 2010, 08:53:45 pm ---Id be VERY surprised if that brace improved the aerodynamics.
--- End quote ---
Yes. The former Audi A2 1.2 TDI 3L had some kind of flat aluminium under its exhaust.
This piece is sadly too small for the very large ''exhaust tunnel'' of the Mk. 5.
xxx_mojo_xxx:
Can't we make a complete aluminium sheet that bolts on the bottom for a completely flat surface...that would do the job....
the bruce:
--- Quote from: xxx_mojo_xxx on December 24, 2010, 09:51:23 pm ---Can't we make a complete aluminium sheet that bolts on the bottom for a completely flat surface...that would do the job....
--- End quote ---
If you can effort it you may buy the flat underbody panel of the Supercopa Leon from Seat Motorsport
in Germany.
Volkswagen Motorsport / Hannover uses a similar parts under its 24h-Scirocco including a real diffusor.
Two Problems with the diffusor:
- rear lower arms
- Exhaust
Flat bottom between bothe axles will be a smaller Problem. You just have to keep in mind the heat
caused by cat and exhaust.
Easiest way to go is a large sheet of aluminium beginning after the cat and to the fuel tank. Fasten
it to the braces' threads.
tony_danza:
Very intelligent modifications.
That brace will do nowt, Robin. Unless they can prove me wrong..
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