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the key to this year?

In 2009 was the invention of the double floor diffusers and in 2010 the F-duct was also a differentiator. Now in 2011 asserts the Mercedes team boss Ross Brawn, the innovative designs in the exhaust of the cars will become the great differentiator in performance between teams.

The head of Mercedes' This is an important area and perhaps even more significant than the double diffuser in terms of performance "and added" The other teams are also working with other providers to get the maximum performance exhaust system. It is an interesting development. The nature of F1 is that the interpretation of the rules is a challenge for engineers. It's very rare that people of this competition fool you, what the engineers are reaching the limit of what they are allowed to "

Renault revolutionizes the topic with the snail escapes being prohibited
openings in the diffuser, it seemed that the exhaust would blow over Renault diffuser but revolutionized the concept of leaks in Cheste

Renault introduced a revolutionary exhaust consisting of tubes carry forward and make them blow ahead of the pontoons as you can see in the picture.



The idea is simple and is that the greater the flow of air through a diffuser, the more downforce created. So what we have done is to drive Renault exhaust forward through the pontoons, rotate 90 degrees and pointed towards the front edge of the floor of the car. The exhaust gases flow faster is going on under the soil, improving the efficiency of the diffuser and therefore downforce.

The main problem of this invention is the thermal ailación but as we saw in Australia the car has held up well and we were able to see Petrov beat the game back to Alonso and keep the last step of the podium. Red Bull


In the first test in Valencia Red Bull presented a second version of his brilliant idea of \u200b\u200bthe speakers blown (EBD or Exhaust blawn Difusser). This is a long flat tubes that blow right in front of the rear wheels (see red arrows).

, 2011 The regulation prevents double broadcasters and limits an area of \u200b\u200b90 cm. core width in which the floor must be continuous leaving no option for feeding the second floor of the diffuser. The diffuser is 100 cm. wide and 5cm Red Bull uses. remaining on each side leading to the exhaust opening and thus sending the heat flow into the side channels of the diffuser.



In this area the floor of the car has been cut so that the flow of air is directed directly to the side channels of the diffuser, thus fulfilling with the provision of more air to pass (in yellow) by speaker without openings in the central zone (banned this year) thus recovering part of the downforce lost by the ban on broadcasters.



For Red Bull GP of Australia has made a small improvement in the design whose main aim is to better direct the flow into side channels of the diffuser.




Ferrari and Aldo Costa said at the time to copy the great invention of Renault and would not be possible mainly because it integrated with the body, therefore Ferrari has chosen the solution make the flow through the rear. One option under discussion is hot air out of the diffuser and using the central hole for starting the engines.



The Ferrari exhausts are very low and are flat and the flow out through the hole area for starting the engines. The regulation limits the size of this hole 3.500mm2. The location of the leak has forced the team to protect against heat deformable crash-back structure.

The other option that has been is a position similar to Red Bull blowing near the rear tires and directing the flow into side channels of the diffuser.



In the next picture you can see the exhaust manifold and installed as first face forward and then a sharp bend directs the flow of gas to the diffuser located in the rear.



In the picture you can also see the DRS system actuator (mobile wing back or Drag Reduction System), hydraulic mechanism that allows opening or closing the top of the rear wing to a very fast speed. Mc Laren


Woking boys despite having opted for standard outputs to the rear have been investigating different positions of the escape. The first is the traditional blow back on the diffuser (detail) while the other version is much more complex and consists of guiding of the exhaust gases back toward the rear diffuser hole that is used to start cars.



In the next image, despite not being the exhaust mounted heat shields areas where he will suggest the flow of hot exhaust air passing through the area of \u200b\u200bthe box and goes to the starter hole. In Australia, and because McLaren failed to perform tests simulating situations long career, he could see that all the diffuser was painted with thermal protection to prevent potential problems.



Another version also studied in silver arrow according to some rumors and speculations are to escape facing a double bottom section forward of the rear wheels. From there, the gases go below ground through a slot outside the central 90cm oriented car to reach the diffuser.






Mercedes star team presents a solution similar to that of Ferrari and Red Bull, is blowing towards the speaker, but with an implementation that reduces its efficiency.

The exhaust outlet is located in half of the pontoon and has not spread to the back as in the case of Red Bull and Ferrari. A small flap redirects the flow of gases to the rear and into the diffuser but this makes the system less effective because the gases lose anergy when mixed with air flow.