F92A: what do you think about it?

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Xwang
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Joined: 02 Dec 2012, 11:12

F92A: what do you think about it?

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Is there something good in it conceptually speaking or was completelly wrong (both idea and execution)?
What went wrong?

Jolle
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Joined: 29 Jan 2014, 22:58
Location: Dordrecht

Re: F92A: what do you think about it?

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They designed a nice car and then tried to be cleaver and then raised the car 12cm up and stuck an extra bottom on it... somewhere they did believe in it, because they revisited it in 96, with almost the same effect.

bill shoe
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Joined: 19 Nov 2008, 08:18
Location: Dallas, Texas, USA

Re: F92A: what do you think about it?

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Concepts that involve squeezing air between extra surfaces always seem to work worse in reality than in the wind tunnel (or in CFD). Examples are --
  • The '92 and '96 Ferraris with double-ish floors.
  • STR06 from 2011, had double-floor sidepods.
  • The recent Nissan LeMans car with long enclosed tunnels that went the full length of the car.

Xwang
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Joined: 02 Dec 2012, 11:12

Re: F92A: what do you think about it?

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bill shoe wrote:
11 Sep 2017, 23:37
Concepts that involve squeezing air between extra surfaces always seem to work worse in reality than in the wind tunnel (or in CFD). Examples are --
  • The '92 and '96 Ferraris with double-ish floors.
  • STR06 from 2011, had double-floor sidepods.
  • The recent Nissan LeMans car with long enclosed tunnels that went the full length of the car.
Is this due to limitation in wind tunnels/CFD?

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Vyssion
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Joined: 10 Jun 2012, 14:40

Re: F92A: what do you think about it?

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Xwang wrote:
11 Sep 2017, 23:39
bill shoe wrote:
11 Sep 2017, 23:37
Concepts that involve squeezing air between extra surfaces always seem to work worse in reality than in the wind tunnel (or in CFD). Examples are --
  • The '92 and '96 Ferraris with double-ish floors.
  • STR06 from 2011, had double-floor sidepods.
  • The recent Nissan LeMans car with long enclosed tunnels that went the full length of the car.
Is this due to limitation in wind tunnels/CFD?
Limitation by way of the fact that wind tunnel testing will pretty much never be as good as on track testing due to the shear number of variables involved? Yes.
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DiogoBrand
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Joined: 14 May 2015, 19:02
Location: Brazil

Re: F92A: what do you think about it?

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bill shoe wrote:
11 Sep 2017, 23:37
Concepts that involve squeezing air between extra surfaces always seem to work worse in reality than in the wind tunnel (or in CFD). Examples are --
  • The '92 and '96 Ferraris with double-ish floors.
  • STR06 from 2011, had double-floor sidepods.
  • The recent Nissan LeMans car with long enclosed tunnels that went the full length of the car.
Well... maybe not always.
Image

bill shoe
151
Joined: 19 Nov 2008, 08:18
Location: Dallas, Texas, USA

Re: F92A: what do you think about it?

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DiogoBrand wrote:
18 Sep 2017, 17:43
Well... maybe not always.
Nice!

Andi76
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Joined: 03 Feb 2021, 20:19

Re: F92A: what do you think about it?

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bill shoe wrote:
11 Sep 2017, 23:37
Concepts that involve squeezing air between extra surfaces always seem to work worse in reality than in the wind tunnel (or in CFD). Examples are --
  • The '92 and '96 Ferraris with double-ish floors.
  • STR06 from 2011, had double-floor sidepods.
  • The recent Nissan LeMans car with long enclosed tunnels that went the full length of the car.
Nicolo Petrucci was the aerodynamicist who developed the STR06. I talked to him recently about the STR06, so i use his words here :"STR06 had a sidepod-wing concept. Not a double-floor." And it was a good car and it worked pretty good! STR06 scored 41 Points what was pretty good for STR back then! The STR05 only scored 13 and STR07 26.

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