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Craig Scarborough Profile picture
@ScarbsTech
Feb 26, 2023 • 6 tweets • 6 min read • Read on X
Scrolly
I had to draw the @WilliamsRacing #FW45, such nice lines and livery. It's much more conventional this year, which is probably a good idea.
#F1 #f1tech #F12023 Image
The sidepods are a mix of a downwash waterslide ontop, combined with a ridged shoulder and deep front undercut.
This seems to tick every design option and meet all of the aero functions
#F1 #f1tech #F12023 Image
While floor appears to be simple, but is a work in progress. With obvious panel lines to allow new bits to be bonded in.
#F1 #f1tech #F12023 Image
Cooling still relies a lot on centreline cooling, similar to last seasons updated car.
#F1 #f1tech #F12023 Image
Hot air outlets are the common mix of canon outlet and optional louver panels.
#F1 #f1tech #F12023 Image
Quite a lot of paint on the Williams compared to baby, with its 'W' harlequin-esque livery. Image

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More from @ScarbsTech

Craig Scarborough Profile picture
Nov 20
I've given a short delay to respect the hard working @WilliamsRacing staff.
But their excellent video on the post-brazil rebuild shows some nice details, we rarely get to see.

A thread...
Damage
#F1 #F1Tech Image
Image
Damaged sidepod radiators Image
Front suspension heave spring units Image
Read 9 tweets
Craig Scarborough Profile picture
Mar 25
Some analysis into the #MV33 brake failure & fire at the #AustralianGP.
RBR said the right rear caliper was stuck on, which would have been detectable by pressure sensors.
So, it wasn't a blocked brake duct (my initial guess).
thread....
#F1 #F1Tech
📸 F1TV
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The heat from the brake being constantly on, set the brake duct on fire.
However, the brake disc did not explode when entering the pits. As the disc was still visible & intact in the pits.
The blast was probably the wheel/tyre failing releasing the air & blowing debris everywhere
Image
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So, where does the brake system split to isolate the RR caliper and what parts might be responsible?
The brake system is split front and rear.
The front shares the same pedal and tandem master cylinder with the rear, so we can exclude those parts. Image
Read 7 tweets
Craig Scarborough Profile picture
Nov 29, 2023
It's been exactly 3 years since Romain Grosjean's huge accident in Bahrain.
The monocoque was on at the @F1Exhibition in Madrid this summer.
I took some time to look over the tub and noted the damage, which included elements I wasnt aware of...
#F1 #F1Tech
Thread....


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Summarising the crash
The car went intact into the barriers at 197kph, at an angle on it's right hand side. This was the biggest deceleration, 67g.
The car jammed in the barrier and flicked around to the left, breaking apart in doing so, the survival cell remaining in the barrier Image
2)With the initial frontal hit to the barriers, the nose box wasnt evident on the car or track in the post crash pics.
But some of the nose is still attached to the right, but little remains on the left.
Most of the length of the nose appears to be used in absorbing the impact.

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Read 11 tweets
Craig Scarborough Profile picture
Jun 17, 2023
Williams are another team bringing a big update to their car.
The FW45 has had a thorough aero review, with one set of bodywork readied for #AA22 at the #CanadianGP.
#F1 #F1Tech ImageImage
The floor is the key change. Mostly the underside, but the inlet fences, floor edge and diffuser are more visible changes. The rear brake ducts are reworked accordingly.
#F1 #F1Tech ImageImage
Also the sidepods, feature new inlets and a deeper scallop to the waterslide. Directing more flow to the diffuser.
#F1 #F1Tech ImageImageImageImage
Read 6 tweets
Craig Scarborough Profile picture
Jun 17, 2023
The first big update to the AMR23.
Heavily revised sidepods, floor edge and cooling outlets.
#F1 #F1Tech #CanadaGP ImageImageImageImage
The waterslide is narrowed and starts with a distinct edge. This may be to contain the rotating airflow, which marries up with the revised undercut, to create more load over the diffuser.
#F1 #F1Tech #CanadaGP ImageImage
The undercut feeds into the floor edge further back and with more more load.
The floor edge has been revised, but not in a substantially different way.
The rear tyre temperature sensor is embedded in the floor (red)
#F1 #F1Tech #CanadaGP Image
Read 5 tweets
Craig Scarborough Profile picture
Apr 1, 2023
Corner entry deceleration issues for RBR persist.
#F1 cars 'brake' in several ways. There's the hydraulic brakes, hybrid braking and engine braking. All affect how the car slows & rotates into a turn. From inputs at the pedals, calculated by the ECU.
#F1Tech #AustralianGP
Simply lifting off the throttle gives engine braking. This map can be varied from the steering wheel button (EB or Torque). Altering the throttle/fuelling at that moment.
More EB (up to a point) gives stability/understeer. Less EB gives more rotation.
Confusing things more are the differential settings, that gave a similar balancing effect on corner entry.
Read 5 tweets

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