Ponder

Can someone clear up for me the penalty on Piastri in Silverstone and thoughts on the heavy braking? I’ve seen a lot of talk back on this. Let’s bring it to a /ponder poll  -

Can someone clear up for me the penalty on Piastri in Silverstone and thoughts on the heavy braking? I’ve seen a lot of talk back on this. Let’s bring it to a /ponder poll  - https://frame.weponder.io/api/polls/33782

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Without giving my opinion, here's what the stewards said. They found Oscar breached the Sporting regulations (article 55.15). This is about the safety car ending situation. From that article:
"In order to avoid the likelihood of accidents before the safety car returns to the pits, from the point at which the lights on the car are turned out drivers must proceed at a pace which involves no erratic acceleration or braking nor any other manoeuvre which is likely to endanger other drivers or impede the restart."

From the telemetry they saw that Oscar applied 59.2 psi of break pressure, resulting in a slowing down from 218 km/h to 52 km/h.

That was considered erratic braking, and therefore a breach of regulations that not only resulted in a 10 second penalty, but also 2 points penalty on his license.

In short: Oscar hit his breaks harder than he is allowed to.

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PS: all stewards documents can be found here
https://www.fia.com/documents/championships/fia-formula-one-world-championship-14/season/season-2025-2071

Where did you hear that?
To be fair, I don't know. I don't think I have access to this data. But...

The stewards' decisions are public. And competitors (teams and drivers) can appeal any decision, always.
What tends to happen if such data is available, that either the team takes it to a hearing, or they bring it to an appeal. 

Fore example in Canada when Russel was accused by Red Bull for something similar, Mercedes brought the data, including that from previous laps, to the hearing, so the stewards had to take that into account.

The fact that McLaren did not bring such data, nor did they appeal the decision (if they did, the appeal would have been a public document, logged before the final race classification, and can be found at the FIA website), leads me to believe this data simply does not exist. 

If McLaren would have thought they'd have a case, they would have appealed the decision.

Also to be fair, I don't know exactly how erratic braking is defined, but the stewards were so decisive with this, not even looking at the fact that  Verstappen passed Oscar, which is also a breach of regulations, that I think the data told a very clear story for the stewards.

Now, I'm not sure whether I think it was right, but the way this was handled, i believe they really saw this as putting all other drivers in danger. 
Also, I am not convinced it was with malicious intent, but that we'll never know, probably.

Isn’t there proof from telemetry that he had the same brake drop off on lap 17 with safety car in front in the difference in vision is Verstappen slower reaction time?