Next kit/race car

Need help from a fellow owner, something to air - discuss away!

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jeffw
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Re: Next kit/race car

Postby jeffw » Mon Oct 23, 2017 6:29 pm

Fury1630 wrote:
pigeondave wrote:Why does the front splitter have venturi bits introducing air to the front tyres?

I'd have thought that there'd be a little downstand in front of the wheels diverting air away.


I'm guessing here, but I think they are creating low pressure ahead of the transverse edge in front of the wheels - kind of like a diffuser does at the back - only at the front.

It's possible that while there will be a slightly greater mass of air hitting the front tyres, it will be at a much lower density, if that's the case, you get less drag & more downforce - but like I said, I'm guessing from a very limited knowledge of aero principles.


Having spoken to the designer of the car it is 'free' downforce on the front end for the reasons above.

jeffw
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Re: Next kit/race car

Postby jeffw » Mon Oct 23, 2017 6:56 pm

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pigeondave
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Re: Next kit/race car

Postby pigeondave » Mon Oct 23, 2017 9:21 pm

jeffw wrote:
Fury1630 wrote:
pigeondave wrote:Why does the front splitter have venturi bits introducing air to the front tyres?

I'd have thought that there'd be a little downstand in front of the wheels diverting air away.


I'm guessing here, but I think they are creating low pressure ahead of the transverse edge in front of the wheels - kind of like a diffuser does at the back - only at the front.

It's possible that while there will be a slightly greater mass of air hitting the front tyres, it will be at a much lower density, if that's the case, you get less drag & more downforce - but like I said, I'm guessing from a very limited knowledge of aero principles.


Having spoken to the designer of the car it is 'free' downforce on the front end for the reasons above.


Cool, many thanks Fury1630 and Jeff, can never learn enough about these things.

jeffw
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Re: Next kit/race car

Postby jeffw » Thu Oct 26, 2017 6:09 am

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Nash
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Re: Next kit/race car

Postby Nash » Thu Oct 26, 2017 1:46 pm

That deserves a tweek
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