Red Bull RB8 Renault

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Crucial_Xtreme
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Re: Red Bull RB8 Renault

Postby Crucial_Xtreme » Thu Feb 09, 2012 11:15 pm

Rear end detail. Amazingly tight package. Isn't the little vane on the floor closest to the track new? right click>view image

Image

Image

Robbobnob
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Re: Red Bull RB8 Renault

Postby Robbobnob » Thu Feb 09, 2012 11:27 pm

On those two photos there seems to be a section of the floor that is detachable.

Image

Here it is attached

Image
and here it is missing

It seems Red Bull are still investigating "sealing the diffuser" somehow
"I continuously go further and further learning about my own limitations, my body limitations, psychological limitations. It's a way of life for me." - Ayrton Senna

Adrian Newby
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Re: Red Bull RB8 Renault

Postby Adrian Newby » Thu Feb 09, 2012 11:35 pm

Crucial_Xtreme wrote:Rear end detail. Amazingly tight package. Isn't the little vane on the floor closest to the track new? right click>view image

Image

Image


I saw something similar to that vane on the RB6, maybe the 7 as well...

Interesting that it doesn't seem to be aligned with what you would think would be the local air flow. It looks like it is aimed at the rear tire...

strad
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Re: Red Bull RB8 Renault

Postby strad » Thu Feb 09, 2012 11:40 pm

Interesting picture of the heat sensitive paint,,there to see if that exhaust is gonna burn up parts I'd reckon. ;)
Motorsport without danger is like cooking without salt
Sir Stirling Moss

Adrian Newby
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Re: Red Bull RB8 Renault

Postby Adrian Newby » Thu Feb 09, 2012 11:41 pm

Robbobnob wrote:On those two photos there seems to be a section of the floor that is detachable.

Image

Here it is attached

Image
and here it is missing

It seems Red Bull are still investigating "sealing the diffuser" somehow


I'm sure you are correct. I'll wager this undertray was built just for testing, allowing them to swap different bits in and out to find what works best in a timely manner.

Adrian Newby
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Re: Red Bull RB8 Renault

Postby Adrian Newby » Thu Feb 09, 2012 11:42 pm

strad wrote:Interesting picture of the heat sensitive paint,,there to see if that exhaust is gonna burn up parts I'd reckon. ;)


That is Flo-vis paint, which helps them see where the airflow is going. I don't think it is necessarily heat sensitive, but that is bound to be one of their concerns in that area, for sure.

strad
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Re: Red Bull RB8 Renault

Postby strad » Thu Feb 09, 2012 11:45 pm

That is Flo-vis paint, which helps them see where the airflow is going.

Yes thetre is Flo-Vis also,,but the little patch shaped/little squares, are heat sensitive paint.
Motorsport without danger is like cooking without salt
Sir Stirling Moss

Adrian Newby
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Re: Red Bull RB8 Renault

Postby Adrian Newby » Fri Feb 10, 2012 12:07 am

strad wrote:
That is Flo-vis paint, which helps them see where the airflow is going.

Yes there is Flo-Vis also,,but the little patch shaped/little squares, are heat sensitive paint.


Der...didn't notice those! And the two blue patches in the middle...

Shaddock
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Re: Red Bull RB8 Renault

Postby Shaddock » Fri Feb 10, 2012 12:10 am

JB2011 wrote:
Crucial_Xtreme wrote:RB8 exhaust in action

Image


This seems to be a significant distance further back than McLaren's exhaust exit. Why wouldn't McLaren also mount them this far rearward and then add on their extra bit of bodywork?


Different philosophy, McLaren by mounting the exhaust further back and further from the centre line of the car seem to pointing their exhausts at the floor on the inside of the tyre. You can’t blow this area from where the RB8’s exhausts are positioned.

Robbobnob
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Re: Red Bull RB8 Renault

Postby Robbobnob » Fri Feb 10, 2012 12:53 am

im not sure what benefit this would have, but having that upper wishbone next to the exhaust flow has the following benefits.

As the wishbone is not considered bodywork, it can be within the 3degree cone, therefore interact with the stream acting as a sort of turning vane.

Image

the top is just the exhaust as it would naturally expand, the bottom situation is how it would expand with the wishbone in its path.

my guess would be its concentrating the flow onto the middle section of the bean wing, wouldnt be surprised if we see a ultra complicated looking monkey seat at the last test, nor do i think we have seen the final iteration of this exhaust solution
"I continuously go further and further learning about my own limitations, my body limitations, psychological limitations. It's a way of life for me." - Ayrton Senna

Adrian Newby
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Re: Red Bull RB8 Renault

Postby Adrian Newby » Fri Feb 10, 2012 1:23 am

Robbobnob wrote:im not sure what benefit this would have, but having that upper wishbone next to the exhaust flow has the following benefits.

As the wishbone is not considered bodywork, it can be within the 3degree cone, therefore interact with the stream acting as a sort of turning vane.

Image

the top is just the exhaust as it would naturally expand, the bottom situation is how it would expand with the wishbone in its path.

my guess would be its concentrating the flow onto the middle section of the bean wing, wouldnt be surprised if we see a ultra complicated looking monkey seat at the last test, nor do i think we have seen the final iteration of this exhaust solution


Nice drawing, and you raise some interesting thoughts about the wishbone's effect on the subsequent path of the exhaust.

It looks to me like the RB8's exhaust is angled up to flow just under the back half of that suspension member, in my opinion, to create downforce on it.

Robbobnob
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Re: Red Bull RB8 Renault

Postby Robbobnob » Fri Feb 10, 2012 1:38 am

yes i certainly agree that it will have extra downforce across the wishbone, but Newey is the King of multi benefit aero parts so i am almost certain that there is other benefits going on
"I continuously go further and further learning about my own limitations, my body limitations, psychological limitations. It's a way of life for me." - Ayrton Senna

Adrian Newby
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Re: Red Bull RB8 Renault

Postby Adrian Newby » Fri Feb 10, 2012 1:44 am

Robbobnob wrote:yes i certainly agree that it will have extra downforce across the wishbone, but Newey is the King of multi benefit aero parts so i am almost certain that there is other benefits going on


I agree completely. I think the exhaust is mainly aimed at the underside of the lower wing, but Newey is taking advantage of running it under that suspension member as well. And at higher vehicle velocities (such as on straights), the exhaust flow will be blown more straight back, un-attach from the wing, and reduce the drag when downforce isn't needed.
Last edited by Adrian Newby on Fri Feb 10, 2012 1:56 am, edited 1 time in total.

Adrian Newby
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Re: Red Bull RB8 Renault

Postby Adrian Newby » Fri Feb 10, 2012 1:53 am

Boy, those Pirellis definitely have a flatter profile. That will change the aero around them too.

Shafto
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Re: Red Bull RB8 Renault

Postby Shafto » Fri Feb 10, 2012 2:55 am

Looks like a little panel of some sort is missing in between Red and Bull. Bottom. (right click)


Image




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