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Safety car

For a dramatic expression of the relative performance of Formula One cars and road cars you need to look no further than the familiar, silver forms of the safety cars that feature at every Grand Prix.

The safety car is very important to ensuring the spectacle of a Formula One race does not suffer from undue disruption, as its use allows the race to continue even after a major accident, or other incident serious enough to require the presence of marshals on the track. This obviously cannot be allowed to happen with cars running at full speed - or even under the caution of yellow flags (as a driver may fail to observe them). Instead the safety car is deployed and the pack 'forms up' behind it - running in formation - until the obstacle or other problem has been cleared away.

It sounds easy. Yet even some of the very fastest road cars in the world, driven flat-out, are barely capable at maintaining a comfortable pace for Formula One cars (which lose tyre temperature and can even suffer from engine overheating during slow running). Since 1996 Mercedes-Benz has supplied Formula One safety cars to all rounds of the championship, and the current model is a CLK 63 AMG. It has a slightly modified engine over road-going specification, and has also been modified to reduce its weight and improve braking response - but even with 354 kW (481 bhp) output from its V8 engine, that's still little more than half the power of a current Formula One car (combined with over three times the mass.)

Hence the very real importance of the man in the driving seat. Bernd Maylander is an experienced racer who has driven in the tough German Touring Car (DTM) championship, and who has been charged with the responsibility of piloting the Formula One safety car since 2000. His experience and ability to drive up to the car's high limits ensure that - although lap times increase dramatically during safety car running - speeds are still high enough to allow the race cars to function correctly.

As with the medical response car, the safety car is on standby throughout a Grand Prix, ready to be dispatched by race control at just seconds' notice. State of the art radio and video equipment enable communication to be maintained at all times. When the race controller decides to deploy the safety car it will join the track immediately and from that point no car may enter the pitlane and no overtaking is allowed. The safety car will then allow cars to pass it until the race leader is immediately behind it. When signaled to do so, any lapped cars in among the leading pack may then unlap themselves, pass the safety car and proceed around the circuit to retake their positions at the back of the field. Once the correct race order has been restored, the pitlane will reopen. Throughout the process, a 'Safety Car' board is also displayed to drivers as they cross the start-finish line, and the information will also be relayed over radios from the pitlane.

When the race controller orders the safety car to leave the track again, a similarly exact procedure is followed. At the start of its final lap the safety car will turn off its orange flashing lights. Competitors must still remain behind in formation, but they know that at the beginning of the next lap they will be racing again. The safety car will pull off into the pits at the end of the lap and - as they cross the line - the competitors restart their battle.

Safety car - The safety car on the grid. Formula One World Championship, Rd 3, Bahrain Grand Prix, Race, Bahrain International Circuit, Bahrain, Sunday 15 April 2007. World © Sutton Safety car - the safety car. Formula One World Championship, Rd 18, Brazilian Grand Prix, Race, Interlagos, Brazil, 22 October 2006. World © Capilitan/Sutton