12 replies to this topic

[Powersteer]

There is a debate going around about those log exhaust extractors. I think this picture makes it quite clear of Red Bulls choice. Edited this picture to take a look at what Newey had done to the engine bay which has turned into an area full of air chambers redirecting air to the desired exit for maximum benefits. Compare it to the picture on the right with a more tradition engine bay.

 

Edited by Powersteer, 30 May 2014 - 12:13.

[Ross Stonefeld]

That's a Force India?

[Wuzak]

Except the one on the left is not an RBR - it is a Force India.

 

This is what the RBR looks like:

 

 

http://somersf1.blog...erstanding.html

[Powersteer]

That's a Force India?

It would be wouldn't it with VJM on that intake piece. Regardless, it is interesting how they are designing the engine bay and the unit itself around aerodynamics. Those that are not using log extractors clear poses a disadvantage via packaging. Redirection of air flow to a specified area to try and meet competitive aerodynamic targets.

[Powersteer]

Just look at a lotus set up, with a contraction shape squeezing air beginning from its intake all the way to the gearbox with side mount radiators not getting in the way of flow. Rear opening size would also determine how much air escapes through the radiator. Even the cylinder heads are not visible.

 

A cold and hot side.

[carlt]

This has been mentioned elsewhere, the Log exhaust of the merc unit  [traditionally deemed less than ideal as a performance manifold]

gives advantages in packaging that far outweigh any potential performance loss through exhaust flow tuning.

[RogerGraham]

Interesting that the Lotus radiator setup is completely different to that of the other teams.

[MatsNorway]

This log style exhaust is interesting. Very! if it is not for aero purposes.

Edited by MatsNorway, 30 May 2014 - 15:44.

[mariner]

Gosh, now I see why they need so many mechanics - getting at anything must take forever!

 

its good engine changes are limited , they would take all day anyway.

[Wuzak]

Interesting that the Lotus radiator setup is completely different to that of the other teams.

 

Similar to McLaren's

 

 

http://somersf1.blog...erstanding.html

[Kelpiecross]

Are they "log manifolds" or just heat shields over conventional exhausts?

[Matt Somers]

Are they "log manifolds" or just heat shields over conventional exhausts?

 

They are log manifolds, their depth is the obvious way to come to that conclusion.  As already mentioned the log manifold was chosen by Mercedes HPP as the performance advantage didn't outweigh the packaging advantages it could give their customers.

[Powersteer]

It looks to me that they have air management that hot air, heat exchanges such as radiator intercooler and hot exhaust extractors which could influence air temperature, exit high towards the exhaust outlet assisted by exhaust gas velocity which would create a low pressure zone. No wonder the cowling surrounding exhaust exit is quite large by some teams. 'Designer' cooler air goes down towards diffuser. Radiator intake is not a radiator intake no more but an aerodynamic device as well. Clever stuff.

 

Hot air goes out the same route as the exhaust because hot exhaust gasses would inevitably go towards that monkey chair area and that lower part of the rear wing so might as well route other hot gasses towards the same area leaving other area to be taken advantage off.