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Fuji race from the technical side
The new venue of the Japanese Grand Prix mixes very slow corners with a long main straight designed to encourage overtaking manoeuvres. This may well produce good racing, but Fuji is unlikely to enter the pantheon of classic drivers' circuits.

The new Fuji circuit is dominated by slow-speed corners, so mechanical grip will be a critical factor. This is likely to push the teams towards a relatively soft overall set-up, much like in Bahrain for example, although achieving a good change of direction will be important in the tight, slow-speed sections, which may push teams towards a stiffer front end. Traction will be a critical parameter, as cars performing poorly on the exit of turn 16 will be vulnerable to overtaking manoeuvres on the main straight, or into turn 1.

The circuit includes only two medium to high-speed corners, at turn 3 and the long 180° right-hander of turns 4 and 5. The latter in particular is likely to see the cars suffering from a high amount of understeer, which the drivers and engineers will work to dial out through the weekend without compromising the slow-speed performance.

In terms of downforce level, the circuit has re-designed on the modern principle, which requires teams to sacrifice lap-time (and downforce) in order to achieve competitive top speeds on the straight to make up, or defend, position. As such, the cars will be running lower-than-optimum wing settings for the twistier sections, further emphasising the importance of good mechanical performance.

The brakes will have a relatively easy time, with just two major braking events, into turns 1 and 10 – and plenty of time to cool in between. Ride is an unknown as yet: the new track surface is likely to be smooth, but the extent to which the kerbs can be used will only be seen on Friday morning. In terms of tyre energies, the circuit is unlikely to be particularly severe owing to the absence of high-speed corners; however, rear tyre wear is likely to be an important parameter owing to the heavy traction demands, and the penalty that excessive wear will bring in terms of making a driver vulnerable to overtaking. Bridgestone will make available the soft and medium compounds from its 2007 range for this race.

Fuji is not expected to provide a particularly tough test of the V8 engines, but the problems it poses are poles apart. The long main straight will see the engines at full throttle for over 17 seconds, providing a severe test for some of the major moving parts. For most of the rest of the circuit, though, good low-end performance will be critical and a torquey engine will be an important asset in launching the cars out of the low-speed corners towards the end of the lap. Smooth mapping will also be important for maintaining car stability, as the cars will often be downshifting while turning and braking in the final part of the lap. Fuel consumption is expected to be very close to the season average of 2.4kg per lap.
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