F1 2025

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PCWARITM said:
He wasn’t really. 60psi is very gentle. I don’t understand it.
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Dropping 150km/h in a couple of seconds is not gentle.

Even hulk commented he nearly concertinad into the car in front of him be a use of it.
 
PCWARITM said:
Those brakes do 1200 psi into a hard corner. 60 psi is nothing. 150 to 30 in a couple of seconds is nothing.
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He slowed down by about 45 metres per second in a couple of seconds.
218km/h to 52km/h. 60m/s to 14.4m/s
And I'm being generous with 2 seconds.

That's over 2Gs.
The cars do 6gs max in the dry.

Not nothing at all. Especially in the wet, and outside a normal braking zone, and there's no brake lights remember... That's erratic/unexpected braking while the safety car lights are off, cut and dried

/edit I see it was about 3 seconds of braking, giving 15m/s^2 which is 1.5g. My point stands.
 
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Yeah I think Oscar was robbed tbh. Why did George not get the same penalty just a few weeks ago?
 
dotdan said:
Yeah I think Oscar was robbed tbh. Why did George not get the same penalty just a few weeks ago?
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It appears the bar for erratic is somewhere in excess of 30psi brake pressure. If so, that’s a penalty but 10s was excessive imho.
 
PCWARITM said:
Those brakes do 1200 psi into a hard corner. 60 psi is nothing. 150 to 30 in a couple of seconds is nothing.
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you've misunderstood the pressure part...

the 1200 psi is brake line pressure, not the amount of pressure the driver imparts at the peddle... same as your car, you impart pressure, it then goes into the brake master cylinder which increases that pressure

so 60 psi at the peddle is like maximum brake pressure, he put the brakes on effing hard
 
this should make people scratch their heads... look at McLarens fastest lap times throughout the whole GP vs every other teams

very very odd

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Wrath of Khan MD said:
you've misunderstood the pressure part...

the 1200 psi is brake line pressure, not the amount of pressure the driver imparts at the peddle... same as your car, you impart pressure, it then goes into the brake master cylinder which increases that pressure

so 60 psi at the peddle is like maximum brake pressure, he put the brakes on effing hard
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Isn't pedal input measured as force ie. newtons? Any given figure in PSI/BAR would thus be from a hydraulic pressure sensor ie. brake line sensor?
 
quovadis said:
Isn't pedal input measured as force ie. newtons? Any given figure in PSI/BAR would thus be from a hydraulic pressure sensor ie. brake line sensor?
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they're probably got a sensor under the peddle before the master cylinder, they can't have a sensor after the cylinder because it will change drastically and then indicate to other teams how their brake pressure system is working etc.

it can be measured in anything that the system is designed for... psi is logical as its line pressure before the master cylinder, very easy to measure, just a gauge
 
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