Common questions

How did the double diffuser work?

How did the double diffuser work?

In order to maximise the amount of flow into the upper deck of its double diffuser, Red Bull created a large throat either side of the lower floor section that carries the plank. This then tapered into a keel shape underbody, which merged with the crash structure to keep flow at maximum through the normal diffuser.

Why was double diffuser banned?

The rules introduced for 2009 had set about limiting the dimensions of the diffuser to 1000mm wide, 175mm tall and 350mm long. The use of the double diffuser arrangement hinged on the wording on article 3.12. In this case, the politics failed them, as they were unable to lobby for the double diffuser’s removal.

When was the double diffuser banned?

2011
Double diffusers banned from 2011.

What is a double diffuser in F1?

Honda Racing began development for their 2009 car early in the 2008 season. Yet the car had one difference, which was focused on the rear so-called ‘double-decker diffuser’. The diffuser is at the rear of the car and is a route to get downforce by using the airflow under the car’s floor.

What is a blown diffuser?

A blown diffuser is basically a way of using the exhaust gases to interact with the diffuser airflow. There are two main purposes for this; 1. To try to move the wake from the rear wheels outwards where it will cause less disturbance.

What is a diffuser on an F1 car?

The diffuser acts as an expansion chamber to manage the air as it exits from underneath the car and reintegrates it with higher-pressure ambient air. An F1 car is low to the road, and thus its flat bottom acts as a venturi to pinch the air and force it to move faster relative to the air above the car.

What is a f1 diffuser?

The diffuser is an area of bodywork at the rear of the car, although the term “Diffuser” is technically incorrect, it is the most popular term applied to this part of the car. The air flowing below the car, exits through the diffuser on the rear of the car. The diffuser creates nearly 50% of the cars downforce.

Why was Brawn GP car so fast?

Why have Brawn GP done so well? There are a whole host of reasons as to why Brawn GP are so strong. The main reason that stands out is the amount of time that has been spent working on this car. As soon as Ross Brawn came into the team (in November 2007) he decided that the 2008 car was slow.

What do splitters and diffusers do?

As the front of the car slows down the air without a diffuser, this is the ideal place for an inlet. A splitter is commonly used here, serving to increase the amount of downforce at the front of the car. The air extracted by this diffuser is exhausted through vents in the sidepods or above the car around the cockpit.

How do blown diffusers work?

A blown diffuser increases downforce on all corners, with the greatest effect on medium to low speed corners. By channelling the gases through the diffuser the teams boosted rear downforce and they also developed engine maps that meant the gases continued to flow even when the driver was off the throttle.

Do F1 cars have a clutch?

F1 cars do have a clutch, but not in the same way that your manual car has a clutch. Their clutches operate automatically for the most part, but they can be operated manually at the start of the race. Although this might not be a shock to drivers of an automatic car, those used to a manual may be confused.

Do F1 cars have pedals?

Formula 1 Pedals Technique Some Formula 1 race cars still have three pedals, but only the middle and right pedals (brake and throttle) are attached. Some racing teams installed a third pedal, or plate, where the clutch used to be as a footrest for the driver. Drivers use it to brace themselves during hard turns.

When did Brawn team use double diffuser in F1?

In 2009 the Brawn team won the FiA Formula 1 World Championship. They had a controversial device dubbed a double diffuser fitted to their cars. For years, I was convinced that allowing it was all a conspiracy, both to damage the big manufacturer teams and to help some vulnerable teams step forward, but I now realise that probably wasn’t the case.

What kind of diffuser does a Brawn car have?

The Brawn and Williams cars have ‘double deck’ diffusers while the Toyota has a ‘triple deck’ version. The area of contention surrounds the central crash structure at the rear of the car.

When did Brawn GP change the diffuser order?

It’s not unusual for a major regulation change, like the one in 2009, to reshuffle the order, but no-one was expecting a team on the brink of folding at the end of 2008 to emerge multiple seconds faster in pre-season testing. The most obvious visual differentiator on the Brawn car was its double-decker diffuser.

Why are double deck diffusers controversial in F1?

The controversy surrounding these devices stems from a clever interpretation of the rules by the three teams in question and the fact that they obviously have a clear on track advantage, Brawn having claimed both poles and won both races so far this year.