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autoviva2014-01-27 14:31:36

Sauber adapts to new F1 rules with the C33-Ferrari

New car suffered extensive changes compared to the 2013 car

 
 
Slideshow
The design of the C33-Ferrari is very different from previous Sauber cars due to the new F1 rules

Sauber has revealed the C33-FerrariC33-FerrariSauber C33-FerrariSwitzerland, 2014 > 20142 photos
, the team's interpretation of the new rules of Formula 1 for the 2014 season. The changes to the regulations introduced for 2014 are arguably the most sweeping ever seen in Formula One.

As far as the engine in particular is concerned, the changes require a completely new concept. In place of last season’s naturally aspirated 2.4-litre V8 engine comes a 1.6-litre turbocharged V6 power unit, backed up by an energy recovery system (ERS) which is twice as powerful as in the past and with, potentially, more than ten times the deployable energy.

There are also several aerodynamics changes, caused by the regulated maximum dimensions of some of the car's pieces, which causes a completely new engineering as well as design.

As Eric Gandelin, Sauber F1 Team Chief Designer, explained: “Together, these changes present the engineers with a huge challenge, especially with time pressure also a major factor. We’ve had to make various decisions on the chassis before all the necessary data and information was available to us. That is understandable, given that engine development continues alongside that of the rest of the car up to the last possible moment. And ultimately, of course, that is in our interests as well.”

Low nose

Perhaps the most visually striking element of the Sauber C33-Ferrari is the very low, snout-like nose. The front wing pylon’s attachments on the nose have been moved out as far as possible allowed by the regulations to channel as much air as possible under the car.

The front suspension concept has changed little, with its springs and dampers again. However, the changes to the regulations regarding the chassis profile have called for some detail adjustments.

The cooling air intakes are slightly larger than those of last year’s car because the cooling requirements of the power unit and ancillaries have increased considerably. For the same reason, the vertically mounted significantly larger.

Complex power unit

The car’s engine, energy recovery system and gearbox are supplied by Ferrari. The 1.6-litre turbocharged V6 engine has a rev limit of 15,000 rpm. A maximum 100 kg of fuel can be used for each race. Where previously a maximum KERS boost of 60 kW was available for 6.6 seconds, now the drivers will be able to call on an extra 120 kW of power for 33 seconds per lap from the batteries. This additional output is fuelled not only by the kinetic energy generated under braking, but also by the heat energy produced by the engine. The system now comprises two electric motors/generators, one coupled to the V6 engine’s drive unit, the other connected to the turbocharger.

The radical changes to the technical regulations for 2014 mean that it’s even harder than usual to make predictions for the new season,” explained Chief Designer Eric Gandelin. “We know what kind of package we’ve put together here, but it is difficult to foresee what shape our rivals are in. The path we have followed with the design of the Sauber C33-Ferrari allows us maximum flexibility, so that we can react quickly. It is also clear that reliability will be an important factor in the first few races in particular. So this is an area which we have given very high priority.”

The Sauber F1 Team will begin the test in Jerez with a roll-out version of the Sauber C33-Ferrari. This means, that the car will be fully functional, but without a number of performance parts, which will be introduced for the two tests in Bahrain. Eric Gandelin explained: “On the one hand this gives us time to maximise the development of these performance relevant parts, and on the other hand we can run the car during the first test and check all the systems, which we feel is crucial, considering all the technical changes.”

Drivers Lineup

For 2014 Sauber is keeping Esteban Gutiérrez, who will be joined by German driver Adrian Sutil. The will be lining up on the grid for the 2014 FIA Formula One World Championship with hopes that the engineers give them a car that can allow the team to build on its strong end to last season.

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