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Old 22 Sep 2008, 12:26 (Ref:2295185)   #1
The Badger
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Audi R15 , What could it be ?

I thought this might make for an interesting discussion .

Herr Ulrich has said that Audi are not going down the Hybrid route , at least not yet anyway .

Nor is it clear if the new R15 is an open topper or a coupe ?

Will they stick with the diesel route ?

Could they go back to petrol and run the R8 engine ?
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Old 22 Sep 2008, 12:35 (Ref:2295191)   #2
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There's a bit of discussion already in here:
http://tentenths.com/forum/showthread.php?t=109508
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Old 22 Sep 2008, 12:45 (Ref:2295198)   #3
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Audi has to consider 3 important factors:
  • tyre changes will take longer: This reduces the advantage of an open car, because you have a bit more time during a pilot change.
  • smaller rear wing (-40 cm) + bigger gurney: This makes the aerodynamics of the car even more important. Coupes have a small advantage in this area.
  • bigger restrictors for diesel: Before the annoucement of the new rules, Peugeot already suggested they might have to go to smaller engine (e.g., V10). A smaller diesel engine also helps improve the weight distribution.
My resulting guess: R15 = coupe with 5.0 V10 TDI.
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Old 22 Sep 2008, 12:56 (Ref:2295207)   #4
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Good points gwyllion. I hadn't heard the smaller engine rumour before.
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Old 22 Sep 2008, 13:12 (Ref:2295220)   #5
Aslak Vind
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Closed coupe.
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Old 22 Sep 2008, 14:01 (Ref:2295249)   #6
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Quote:
Originally Posted by gwyllion
Audi has to consider 3 important factors:
  • tyre changes will take longer: This reduces the advantage of an open car, because you have a bit more time during a pilot change.
  • smaller rear wing (-40 cm) + bigger gurney: This makes the aerodynamics of the car even more important. Coupes have a small advantage in this area.
  • bigger restrictors for diesel: Before the annoucement of the new rules, Peugeot already suggested they might have to go to smaller engine (e.g., V10). A smaller diesel engine also helps improve the weight distribution.
My resulting guess: R15 = coupe with 5.0 V10 TDI.
1. pilot change - not a big deal. Modern coupes and barchettas are equal in this moment
2. I've heard open barchettas has downforce advantage, cause they have lower bodyshell, without cabin
3. It's not so simple - to cut 2 cylindres from engine
So, I hope, it will be coupe with V10TDI
Coupes look well, and there is some fashion for it. Smaller engine give more place for future hybrid drive
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Old 22 Sep 2008, 14:23 (Ref:2295267)   #7
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Im kinda thinking about a Petrol Coupe .

Barchetta is a quicker driver change ?

Ive heard the coupe has a slight aero advantage ?

Last edited by The Badger; 22 Sep 2008 at 14:25.
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Old 22 Sep 2008, 14:34 (Ref:2295278)   #8
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Quote:
Originally Posted by Valenok
1. pilot change - not a big deal. Modern coupes and barchettas are equal in this moment
2. I've heard open barchettas has downforce advantage, cause they have lower bodyshell, without cabin
3. It's not so simple - to cut 2 cylindres from engine
So, I hope, it will be coupe with V10TDI
Coupes look well, and there is some fashion for it. Smaller engine give more place for future hybrid drive
1. Not so. The driver changes are quicker for the open topped prototypes when compared to the new coupes.
2. Coupes in general have better aero efficiency which leads to more down force at the rear wing.
3. Its real easy to cut 2 cylinders from almost any engine... with a cutting torch...
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Old 22 Sep 2008, 14:38 (Ref:2295281)   #9
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That all seems to make sense. The R10 has almays been a handling beast in the slower corners due to the longer wheelbase. You also have to figure that IF diesel remains a priority for Audi,... that the 2011 regs would reduce the diesel displacement to a number much smaller than today (maybe in the area of 4.0L or so). The only area that i might disagree is the coupe bit. The changes to the wing are significant. This may be enough to sway Audi in the direction of staying with the open topped chassis. I don't know if this picture is real or not, but if so, tha wing is TINY! (if real, it also shows how quickly Audi has taken to the evaluation of the new rules - brilliant!)




edit: sorry, after closer inspection, this picture is indeed a fake!

Last edited by yamato; 22 Sep 2008 at 14:44.
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Old 22 Sep 2008, 14:52 (Ref:2295290)   #10
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Old 22 Sep 2008, 17:43 (Ref:2295444)   #11
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Quote:
Originally Posted by Valenok
1. pilot change - not a big deal. Modern coupes and barchettas are equal in this moment
2. I've heard open barchettas has downforce advantage, cause they have lower bodyshell, without cabin
3. It's not so simple - to cut 2 cylindres from engine
So, I hope, it will be coupe with V10TDI
Coupes look well, and there is some fashion for it. Smaller engine give more place for future hybrid drive
In regards to #3, that's exactly what BMW's done with the new M3. They just made a V8 version of the M5's V10.
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Old 22 Sep 2008, 18:11 (Ref:2295481)   #12
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I couldn't confirm if it was a true or not, but someone on the "Salon Arnage" forum on endurance-info.com, on September 19, said that the French sports newspaper L'equipe published that the new Audi will be called R12 and it would be powered by a V8 4.4L essence.

The new LMP would d├ębut on the 12 Hours of Sebring if in this few months they achieve to complete it. If not, and if they think that with the new rules the R10 isn't competitive enough, Audi would stop competing during 2009, and come back in 2010.

Maybe one of our French friends here can confirm this is real, or just a newspaper rumour.

someone?

Last edited by LeMans.pt; 22 Sep 2008 at 18:19.
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Old 22 Sep 2008, 18:17 (Ref:2295486)   #13
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They've already got an R10.
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Old 22 Sep 2008, 18:20 (Ref:2295494)   #14
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Quote:
Originally Posted by Hugewally
They've already got an R10.
... sorry... R12
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Old 22 Sep 2008, 18:30 (Ref:2295507)   #15
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I think it'll be a closed coupe with a deisel version of the R8(roadcar) enigine, and a hybrid one will run alongside a normal one .
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