Ferrari F138

[Mr.G]

It looks from this photo, they have the chamber pipe on the exhaust.

[Holm86]

They ran that exhaust almost entire last season. So thats no surprise.

[miguelalvesreis]

Tombazis, at the launch of the car

"I think we have done a reasonable job and we certainly had to make a step up from where we had been in the past few years: the launch specification car, that will run at the first test, has had a relatively small amount of wind tunnel development because it was fixed straight after the end of the season, when we pushed so late on the F2012."

Yes, I've seen that, I was seeking to get some thoughts and opinions on the direction they'll follow on the development path. Seems to me that with all they've achieved with the rear end that they'll have to refine and improve the FW.

[.poz]

It looks from this photo, they have the chamber pipe on the exhaust.

As i wrote above this is the F2012 !

[stefan_]

Jerez - Day 3

[Mr.G]

It looks from this photo, they have the chamber pipe on the exhaust.
As i wrote above this is the F2012 !

Thanks, I was supprised, because due to the tiny back, they can fit it too. So waiting for new layout picture

[Clausell]

Sensor in Ferrari F138, http://bit.ly/120ffXQ

[stefan_]

[Raptor22]

I wonder if anyone has ever thought of putting a reverse-diffuser on the floor. Since you want low pressure beneath, then you would want high pressure above, so instead of 'expanding' the air like a normal diffuser to reduce pressure you would compress it. The slots in such a case would probably converge towards each other as opposed to fanning out.

May well be against the regs, but I just thought of it. Ferrari seems to have an awful lot of space back there.

A diffuser compresses air. Its job is too raise pressure (relative to the underbody) without shock. The lack of shock helps to maintain velocity of the fluid and allows for a gradual and controlled pressure increase.
The splitter in front is shaped as a reverse diffuser to increase the mass of air and its velocity and thus drops the pressure.

[stefan_]

[fussell]

Opening in the of the engine cover in front of the rear uprights, different to tuesday - guess its a for hot races

[Spankyham]

Opening in the of the engine cover in front of the rear uprights, different to tuesday - guess its a for hot races

Felipe comment on day 1 that they were having overheating problems.

[dren]

Interesting center to the diffuser. Not quite like the Mercedes, but similar.

[sknguy]

Just wondering.... I assume that all the data gathered at these test sessions is also used for the simulator. I also assume the data will be compared/correlated with the wind tunnel's own data. And that both data sets are used to improve the modeling in their simulators. What I'm curious about though is how closely the wind tunnel data matches real world data. Granted there's so many variables in real world that just aren't there in a windtunnel. I suppose that for one thing Ferrari likely doesn't have a motor running with hotgasses exhausting at 18,000 rpm in the tunnel. But the F2012 had such dissapointing results in real world performance because the data probably wasn't showing them that. But I'm assuming the windtunnel data would be pretty darn comprehensive. Curious indeed...

[jaba.hut]

For as precise as possible check they use constant speed laps. Those data is closest to wind tunnel. Ferrari said last year said that simulation and designing exhaust gases in wind tunnel is hard and also in CFD simulations. I think that gives you some explanation to your question.