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| Sauber C33 Ferrari |
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<< Prev Page 2 of 3 Next >>  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.But that's not all; key changes have also been introduced on the aerodynamics. For example, the maximum width of the front wing is now 165 cm (previously 180 cm) and the nose will be very low. This is intended to improve safety. Lower noses have been introduced by agreement between the FIA and the teams to reduce the risk that a car will be launched into the air in the case of a nose to rear wheel accident and also to reduce the risk of a driver injury in the event of a "T bone" accident. Modifications have also been made to the dimensions of the chassis profile at the front of the car and the side crash elements, which are now standardised. The side impact test has been replaced by push off and load tests which are more stringent than before. These structures, combined with the way they are attached to the chassis, should result in better safety in the case of an oblique side impact. In addition, the lower rear wing is now removed. The aerodynamic effects, which could previously be achieved at the rear of the car through the manipulation of exhaust gases, are now restricted, with the position of the exhaust now more precisely defined. Side exhaust exits are no longer permitted; the exhaust tailpipe will now exit centrally and rearwards, with only minor changes allowed to its angle. All of these measures reduce downforce and, therefore, decrease cornering speed. The cars will also be slower due to the raising of the minimum weight, which increases from 642 kg (including driver) to 691 kg, cancelling out - at least in part - the weight added by the new technical systems. 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." The engineers, therefore, followed the path offering the greatest possible flexibility, which allows them to respond to unexpected factors or developments. 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 aerodynamics engineers were handed a new brief for the design of the front wing, which is 7.5 centimetres narrower on either side than the previous version. This creates very different airflow conditions. The entire front wing with its complex end plates, has, therefore, been newly developed from the ground up. The front suspension concept has changed little, with its springs and dampers again pushrod-actuated. However, the changes to the regulations regarding the chassis profile have called for some detail adjustments. The side crash elements have had a significant influence on the form of the side pods which is clearly visible in the design of the car. 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 radiators are now significantly larger. Again, the engineers have built a degree of flexibility into their design to allow scope to react should requirements shift in one or other direction. << Prev Page 2 of 3 Next >> |
| Article | Image gallery (8) | Specifications |
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