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Sauber has revealed the C33-Ferrari, the team's interpretation of the new rules of Formula 1 for the 2014 season.
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.
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.
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