Farnborough wrote: ↑07 Mar 2024, 14:31
Didn't that enhance the "Porpoise" threshold though ? More air volume, enacting more mass modulation to then pull the chassis down in negative pressure as the total enclosure under the car exerts authority over the fixed mass of vehicle.
Yes and no. Yes, it lowers the velocity at which the bouncing can start (all other things being equal). And no, this doesn't necessarily mean it would happen as much if the floor is designed with features that prevent this phenomena from occurring so wildly.
What I believe Stu refers to is the need to have a buffer height if you want to allow bouncing to happen and it happens at those highest downforce levels and lower floor edge enhances those downforce levels. Ferrari was often setup higher than RB to have this bouncing buffer in 2022 and still had more downforce even with (often) smaller wings.
Another thing that happened more easily with lower edges was actual mechanical floor "sealing", which can and did result in sudden and unexpected increases in downforce and this is why floor stays were allowed by the FIA - to keep those edges more rigid and avoid sudden gains and losses of downforce. Putting edges even lower than 2022 could force teams to raise their cars even higher. Otherwise, raising edges up only leaves teams with brining the car further down as a way to find more downforce
SiLo wrote: ↑07 Mar 2024, 14:47
People seem to be conflating suspension stiffness with ride height. It's not solely an issue with ride height (though that is a component). The teams have to run the cars incredibly stiff to achieve a stable aero platform because the floors are so sensitive. If the floors were less sensitive, then they would run softer springs and dampers.
The specific complaint now, if I understood well, is that floors are so low at top speed that bumps at the end of straights hit the car very hard and cause discomfort.