Many millions of people across the world love the sport of rallying, a type of motorsport which involves driving what look like road cars over a range of challenging terrain. The terrain varies from dirt tracks to tarmac roads and tracks covered in thick mud. This means that every component of the vehicles used, from their rally mud flaps to their seats, is designed to maximise power and speed.
Obviously, there are strict regulations in place which provide detailed specifications as to the kind of set-up that rallying cars can use. These are put in place by the sport's governing body, the Federation Internationale de l'Automobile (FIA). So while the cars you see whizzing past in rallying events resemble the vehicle you might drive to work or to do the shopping, the similarities are only skin deep.
FIA rules clearly state that any vehicle used in a rallying event must have the same outer body shell as a normal road car. For rallying though, this outer husk is rebuilt after being completely stripped down to the metal. All extraneous features, like mounting plates, are removed, as engineers look to keep the weight of the vehicle to an absolute minimum.
The shell that is left after this part of the process is then reinforced by having a tubular roll cage welded into it. This stripping down and strengthening process can take as long as 700 hours in some cases. The vehicle will be lighter and massively stronger as a result though, and a rally car can normally support weight on its frame equivalent to the mass of around ten ordinary cars.
The car's air intake is limited by virtue of an FIA regulation which states that the car's air intake must be restricted to 34 milimetres. The heads and cylinder block are just like that of a normal car, which regulations state that they must be. Other parts can be altered though, including things like pistons, camshafts and cylinder linings.
Another difference between a rallying car and a standard road vehicle is in terms of the power that the engine can produce. A usual road car has a turbo boost of one bar, but rallying cars can attain four or five bar. Any-lag systems mean that a rallying car can achieve maximum boost even when driving from a tick over situation, and torque is often in excess of 600Nm.
As those less familiar with the sport might expect, the vehicles used in rallying have four wheel drive, essential for coping with the rough terrain they often race over. A sequential gearbox is usually fitted, along with a clutch. Drivers only rarely use this feature though, which is mainly utilised when driving off from a standing start.
The inside of the car is made comfortable for the driver and co-driver by having personally moulded seats for them. Little else speaks of comfort though, with the interior striped down to painted metal in order to minimise weight. Rally mud flaps are just one tiny component of these massively impressive machines.
Obviously, there are strict regulations in place which provide detailed specifications as to the kind of set-up that rallying cars can use. These are put in place by the sport's governing body, the Federation Internationale de l'Automobile (FIA). So while the cars you see whizzing past in rallying events resemble the vehicle you might drive to work or to do the shopping, the similarities are only skin deep.
FIA rules clearly state that any vehicle used in a rallying event must have the same outer body shell as a normal road car. For rallying though, this outer husk is rebuilt after being completely stripped down to the metal. All extraneous features, like mounting plates, are removed, as engineers look to keep the weight of the vehicle to an absolute minimum.
The shell that is left after this part of the process is then reinforced by having a tubular roll cage welded into it. This stripping down and strengthening process can take as long as 700 hours in some cases. The vehicle will be lighter and massively stronger as a result though, and a rally car can normally support weight on its frame equivalent to the mass of around ten ordinary cars.
The car's air intake is limited by virtue of an FIA regulation which states that the car's air intake must be restricted to 34 milimetres. The heads and cylinder block are just like that of a normal car, which regulations state that they must be. Other parts can be altered though, including things like pistons, camshafts and cylinder linings.
Another difference between a rallying car and a standard road vehicle is in terms of the power that the engine can produce. A usual road car has a turbo boost of one bar, but rallying cars can attain four or five bar. Any-lag systems mean that a rallying car can achieve maximum boost even when driving from a tick over situation, and torque is often in excess of 600Nm.
As those less familiar with the sport might expect, the vehicles used in rallying have four wheel drive, essential for coping with the rough terrain they often race over. A sequential gearbox is usually fitted, along with a clutch. Drivers only rarely use this feature though, which is mainly utilised when driving off from a standing start.
The inside of the car is made comfortable for the driver and co-driver by having personally moulded seats for them. Little else speaks of comfort though, with the interior striped down to painted metal in order to minimise weight. Rally mud flaps are just one tiny component of these massively impressive machines.
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