Mclaren Mercedes MP4-25

[Hangaku]

Promisingly, both drivers report that the car feels like it's producing more downforce, and that it's definitely a step forward. If that's to be believed, then it's fair to assume that they car isn't running it's best because they haven't had enough time to tweak the setup. I guess we'll see the real difference in race trim tomorrow.

[Richard]

Discussion about the track is over here .... viewtopic.php?f=13&t=8719&p=187129#p187129

[siskue2005]

Well this is just RBR territory, all high speed turns this track, it suprises me Feraari could be that close.

actually there is only 2 high speed corner in this track
t1 and the turn to entrance of stadium section

Then you still didnt mention the 2 turns in front of the start finish, and the fastleft right. And the turn before you turn into the stadium. And the turn after the hairpin. So then we have 4 turns that arent red bulls characteristic.

the last 2 corners are not high speed corners, it doesnt require aero efficency...it is a medium speed corner like the corners in aerna complex of silverstone
and the corner after hairpin is easy flat out for even a f3 car, so

[ringo]

The car will continue to improve, but as i said before, the ferrari has a bigger potential for developement.
Any car that looks similar to the redbull has an easier developement path.
Ferrari and Williams are proof; very clean looking and simple geometry.
Mclaren is tight round the back but still to cluttered, they have to do more testing to get the same gains like williams or the red cars.

The exhaust is working now which is good, but i think the rear needs cleaning up near the beam wing and some ddd parts.

I am not sure what else can be done to get it faster than redbull. The ignition map may only bring it within 0.1 or 0.2 seconds i think.

[Richard]

Looking in detail at the previously posted pic .....

[PlatinumZealot]

Looking in detail at the previously posted pic .....

The car always had slots in the side of the diffuser for the rear tie rods. This hole now slightly bigger, I stil don't think it as effective as the read bulls. It's too far away from the throat of the upper diffuser.

[Atlanta]

http://twitter.com/Formula1Home/status/19443973279

[PlatinumZealot]

So they did cut it slant like Ferrari. Reminds me of a Pringles chip.

[Ciro Pabón]

Please, guys, this thread is about the McLaren Mercedes MP4/25 DEVELOPMENT.

I had to erase several posts. I'd rather not do that again. There is a rule about posting out of thread: as you might have not read the rules about posting, you are pardoned for once. Read them.

[ecapox]

http://twitter.com/Formula1Home/status/19443973279

All you engineers:

What effect does a cut in the exhaust, like above, have on the exiting gasses? Does the cut create a low pressure area that fans the exhaust gasses further out than no cut?

[dumrick]

All you engineers:

What effect does a cut in the exhaust, like above, have on the exiting gasses? Does the cut create a low pressure area that fans the exhaust gasses further out than no cut?

I guess that it, at least, sets the direction of the exhaust flow, the pressure relief on the exit makes the flow escape in the normal direction of the cut-out.

[ringo]

I would say it exposes the exhaust to mix with the free stream air in a desired way.
The shape also manipulates the plume in a way that it does not go onto the wish bones and floor.
The shape also keeps the plume off the gear box. If you can imagine a normally cut pipe, like a chimney the gases escape and expand 360 degrees around the pipe orifice, this means for the old pipe they were running, the gases were expanding onto the centre of the car which is unavoidable with the proximity of the pipe.
Ferrari have been through this with their pipes as well.
This burrito shape with it's back and open face ensures the gas expansion is biased outwardly.

[volarchico]

Did anyone see Button's onboard video down the long fast stretch? It seemed to almost go unstable and I thought his camera was about to fall off. Any idea what would make this happen?

[timbo]

Did anyone see Button's onboard video down the long fast stretch? It seemed to almost go unstable and I thought his camera was about to fall off. Any idea what would make this happen?

Yeah, noticed that too.
Maybe it was damaged during pit-stop?

[lotus7]

Did anyone see Button's onboard video down the long fast stretch? It seemed to almost go unstable and I thought his camera was about to fall off. Any idea what would make this happen?

Yeah, noticed that too.
Maybe it was damaged during pit-stop?

Broken camera gimbal- let's move on....