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IRA11Y
Forums Junkie

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Location:
sydney
Registered:
May 2002

Re: Rear spoilers on FWD cars

Wed, 03 March 2004 22:09

Quote:

what would help on a FWD is to have a 'cat-cutter' with maybe an inch ground clearance, and sideskirts to match.. the idea being to stop any air going under the car from in front, and keep it out..

I think what you are referring to here was commonly called ground effect, which is now banned in F1. In a road car this is not really going to be practical or be able to create significant effect either.

you would need to make side skirts which actually touch the road surface at high speed ( above 160kmh ), not only would this look stupid , but id love to see what happens over a carpark speed hump on a regular car. F1 used rubber and carbon fibre for the construction properties on their cars.

At the front you would need a "cat cutter" ( as stu calls it... nice Smile

) diffuser that also needs to sit about 1 to 2" above the road surface and at the rear you need another bumper wrapping skirt with about 4" rear clearance

what this all does is to create a vacume under the car at certain speeds ( high ) and suck the car down on to the road increasing the overal grip.

http://www.ritzsite.demon.nl/F1_70s/BIN/Lotus_78_1978.JPG

But this is totally impractical on the road where the surfaces are very uneven.

if you want more information heres a couple of links on how it started...

http://www.ukcar.com/features/tech/aero/ground.htm

http://www.f1technical.net/article42.html

[Updated on: Wed, 03 March 2004 22:13]

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