Given the initial success, here's a closer at what probably the most changed car in the grid, the @AstonMartinF1 AMR22.
#F1 #F1Tech
Given the car's pace, the floor edge is very simple so far.
Just a single section, scroll and cut out. No floor edge flap.
There's a lot of development potential in this area.
#F1 #f1tech
Most noticable is the extreme waterslide set up.
Directing flow towards the beam wing/diffuser to added downforce.
The actual size of the gulley is hard to gauge. But, there's a lot of flat level floor exposed around the back of the car.
#F1 #f1tech
Getting the extreme ramped slide to work is aided by the downwash of the front suspension and mirror supports
#F1 #f1tech
Underneath is a reapportioned cooling package. Less in the sidepod, more on the centreline
#F1 #f1tech
The added centreline cooling requires a reshaped roll structure, now squarer in front profile for more inlet area. With a wide legged layout.
#F1 #f1tech
As with all cars this year there's minimal paint, aided by the gulleys being left unpainted.
#F1 #f1tech

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More from @ScarbsTech

Feb 27
During the unveiling of all the new #F1 cars, the terminology of all the shapes and features gets out of hand.
Here's a simple overview of some of the sidepod jargon we use.
Starting with 'coke bottle' this is the way the sidepods slim between the rear wheels
#F1Tech #F12023
This year a new term and popular design feature is 'waterslide', also described as downwash sidepods.
It's where the top surface slopes down the rear.
#F1Tech #F12023 #F1
An old featymure, but one that gets more extreme every year is the 'undercut'.
It's where the front corner of the sidepod tucks in
#F1Tech #F12023 #F1
Read 7 tweets
Feb 26
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
Read 6 tweets
Feb 26
Here's my closer look at the @redbullracing #RB19
Very much a RB18+ with lots of evolution of the 2022 car. No bad thing given its success and the aero testing limits for RBR this year.
#F1 #F1Tech #F12023 Image
Suspension follows last season, which has seen other teams follow its raked wishbone set up and low steering rack/trackrod position.
#F1 #f1tech #F12023 Image
The front wing is heavily loaded in the middle, despite being higher off the ground. Plus, a simpler take on the wing/endplate tricks adopted by Merc and others.
#F1 #f1tech #F12023 Image
Read 6 tweets
Feb 19
Other details on the @MercedesAMGF1 #W14 the front wing endplate.
For 2022 the endplate was made larger and straighter to reduce the outwash turbulence it created for the car behind.
So Merc created a cutout to create outwash, but this was banned over the winter.
#F1 #F1Tech
To be legal, the wing tips must meet the endplate in a specific orientation. Merc have done this with small legality parts connecting the two, as well as adding an extra fin.
Which all allows the large cut out.
#F1 #F1Tech
To the left is what the FIA envisage for this area, to the right is the big hole Merc have effectively created.
Allowing more airflow to pass down and outwards thru the cutout.
#F1 #F1Tech
Read 4 tweets
Jan 25
#F1 suspension has evolved massively over the years. Especially how the spring/dampers are mechanically operated.
From the Sixties till Today, I’ve drawn up a normalised & simplified set up to show the major variations over the years.
/long thread...
#F1 #techTalk
1-Outboard
We start with the outboard mounted spring/damper. This worked as it's simple, plus the spring/damper travel was close to wheel travel.
Back in the day, the chassis was much wider than now, so short spring/dampers could fit in the narrow gap.
#F1 #TechTalk
2-Rocker Arm
The rocker arm set up became commonplace in the 70s & 80s. Creating a narrower monocoque and putting the spring/damper out of the airflow for the front wing & ground effects. The spring/damper travel was limited and the set up was bulky & heavy
Read 13 tweets
Oct 13, 2022
Ride height is critical for an #F1 car, adjustment may be only a by a millimetre. But, how do they adjust it?
Its most commonly done with the push (pull) rod length. By changing shims in the rod.
Thicker shims raise a pushrod ride height. The opposite for pullrod.
#F1 #TechTalk
The carbon rod and (typically) metal end are bolted together. Creating space for a shim.
Teams have a lookup table, relating a ride height change to a specific thickness of shim.
There's a box of different sized shims in the garage, matched to the list.
#F1 #TechTalk
With the car on its stands in the garage, the bolt can be loosened, to open up the joint, allowing the shim to be removed and new one added.
It's a bit trickier with pull rod as the gap is pressed closed by the weight of the suspension assembly.
#F1 #TechTalk
Read 4 tweets

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