Williams FW43B

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Moctecus
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Re: Williams FW43B

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Williams's steering wheels featured integrated screens from 2000 to 2013. They introduced a new steering wheel with 2014's FW36 to move the display to the dash (while retaining the old LED-screen). They switched to the larger LCD for 2015. So their current layout is not a leftover from ancient times that they are sticking with to save money. It's a design choice.

aerofoilf1
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Re: Williams FW43B

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Different rear wings from the test

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tomazy
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Re: Williams FW43B

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I wonder what those 3 dimples on top of the rear crash structure are for, FW43 didn't have them.

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Stu
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Re: Williams FW43B

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aerofoilf1 wrote:
13 Mar 2021, 10:54
Diffuser comparison vs 2020

https://pbs.twimg.com/media/EwWPDqdW8AE ... =4096x4096
Looks like a similar solution to McLaren?
Unless the pic quality is hiding the detail...
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aerofoilf1
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Re: Williams FW43B

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Changes to the upper wishbone and the rear brake elements compared to 2020

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Cooling outlets tried last week

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PlatinumZealot
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Re: Williams FW43B

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Upper wishbones are clean. Almost as RedBull.
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Tattoo-
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Re: Williams FW43B

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Nice pic of backside

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Jolle
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Re: Williams FW43B

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tomazy wrote:
16 Mar 2021, 10:07
I wonder what those 3 dimples on top of the rear crash structure are for, FW43 didn't have them.

https://i.ibb.co/Z8JqbWR/fw43bdimples.png

https://pbs.twimg.com/media/EwiuDioWgAc ... ame=medium
Probably mounting points for an aero rack

aerofoilf1
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Re: Williams FW43B

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New floor

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Morteza
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Re: Williams FW43B

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jjn9128
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Re: Williams FW43B

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Having a look at the CAD files from the "leaked" launch (read they were dumbasses). Unfortunately I think it's too dirty to do any CFD with - also the cooling and engine intake ducts sort of go nowhere. The wheelbase is ~3.6m give or take a few mm, which is the max for 2022.

Interesting diffuser design - as far as I can work out they cheat the length by having a sharp disconnect up in the air at the start line of the diffuser (measurements in cm with the orange box representing the diffuser volume) with a trapped vortex. I do wonder if this is a real diffuser or just something to throw other teams off.

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Last edited by jjn9128 on 01 Apr 2021, 09:13, edited 1 time in total.
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wesley123
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Re: Williams FW43B

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Such design was already done around 2000, afaik the Jordans had a very similar kick
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jjn9128
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Re: Williams FW43B

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wesley123 wrote:
01 Apr 2021, 01:41
Such design was already done around 2000, afaik the Jordans had a very similar kick
Yes. I'm surprised they've "lengthened" the diffuser so much though.

I guess it's this rule:
The surfaces lying on the step plane which do not meet one of the vertical transitions may be curved upwards at their boundaries with an arc whose radius of curvature is no greater than 100mm at any point, with no inflection, which is tangential to the surface and applied perpendicular to the boundary. In no case may the arc start further than 100mm from the boundary (when measured on the surface and perpendicular to this boundary).
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Just_a_fan
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Re: Williams FW43B

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jjn9128 wrote:
31 Mar 2021, 18:31
Having a look at the CAD files from the "leaked" launch (read they were dumbasses). Unfortunately I think it's too dirty to do any CFD with - also the cooling and engine intake ducts sort of go nowhere. The wheelbase is ~3.6m give or take a few mm, which is the max for 2022.

Interesting diffuser design - as far as I can work out they cheat the length by having a sharp disconnect up in the air at the start line of the diffuser (measurements in cm with the orange box representing the diffuser volume) with a trapped vortex. I do wonder if this is a real diffuser or just something to throw other teams off.

https://db3pap006files.storage.live.com ... pmode=none
How do they get the three fins / VGs in below the diffuser? Doesn't the surface facing downwards have to be visible from below? I.e. the diffuser's surface must be visible and those fins would prevent that.
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jjn9128
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Re: Williams FW43B

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Just_a_fan wrote:
01 Apr 2021, 09:41
How do they get the three fins / VGs in below the diffuser? Doesn't the surface facing downwards have to be visible from below? I.e. the diffuser's surface must be visible and those fins would prevent that.
Those are the footplate - it's a weird quirk in the software because the mesh isn't watertight it shows parts which aren't on the slice plane as if they're on the same plane.
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