1
Introduction
WRC (World Rally Championship) World Rally Championship, began in 1973 , organized by the FIA FIA, is worldwide the highest level rally series race. WRC All participating vehicles must be made of the development of production cars, and in accordance with the designated travel route (rainforest, muddy, different snow, desert and winding mountain roads, etc.) to compete.
2
Competition Categories
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WRC game according to different specifications of the participating vehicles, and converted into the original groups GroupN two groups group a group. A group of the N group was different depending on the displacement of each divided into 4 groups.
A group
A8: 2000C.C or more modified groups
A7:.. 1601-2000C.C modified group
[123 ] A6: 1401-1600C.C modified group
A5:. 1400 CC the modified group
N group
N4: above 2000 CC original plant group
N3: 1601-2000C.C original group
N2:. 1401-1600C.C original group
N1:. 1400 CC the original group each game
each stationThe group must have at least five car competition would otherwise have forced cut.
3
Match
[123 ] of each Rally included two days of on-site inspection, mechanical inspection day and three days competition. Each of the races is divided into three sections (Leg), each station is usually about 15-25 particular stage (SS: special stage). SS (Special Stages) road racing is conducted on a closed control section, a plan Leg usually have 5-10 SS road, length is usually limited to between 10 to 50 kilometers, the total length of the planning section of the SS 400 kilometers , WRC is every rider to complete the sum of all sections of SS time to decide who will win, the timing of the unit is 0.1 seconds, while the planned average speed is limited to 110 km, the highest not more than 132 km.
WRC F1 with the same points system, each station 10,8,6,5,4,3,2,1 top eight integral respectively obtained, the resulting driver may be integrated driver itself and annual team points, the most points throughout the year with the team riders will be world champion highest honor
FIA regulations Each factory team could only send two cars participating, and participating factory team entry must also be the year in order to compete annual team points. Taking these two provisions, has a team points team points is to take the best riders in the top eight results.
to participate in the competition are the various WRCar group of elite riders starting the race is starting along according to their ranking, points leader starting first. The number of vehicles is usually about 90 to race up and down, in addition to participating in WRC competition car, the other part will be interspersed with low engine power, designed for young drivers established by JWRC (Junior World Championship) or PWRC (ProductionWorld Championship) game.
factory team in the whole year must participate in more than 10 stations, and to participate in the race at least two stations outside of Europe.
4
the specific details
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Shakedown recce
there is a very important part is the recce in the FIA WRC competition organization. Recce means that before the race, the drivers and navigators or Wednesday to survey the track on Tuesday before the start of the game.
Each group allows the vehicle to match the real situation will be as close to the same stage two surveys. The first pass through the stage when riders need to traffic information back to the pilot and navigator with a brief note of language information. When the second pass through the stages, the pilot reported that the book the way out, the driver again to check the information.
EXPLORATION bus Group N must be regular, two-liter turbocharged engine, the engine management system standard, gearbox, brakes and conventional shaft. It must be installed roll cage, racing bucket seat, more than four-point seat belt certification. Recce vehicles are not allowed to post any sponsor advertising.
riders usually have a maintenance team to assist the recce, to resolve any problems encountered in the car during the recce. They carry common repair parts, waiting at the end of the stage.
The Stages stage 
general racing venues (e.g., F-1) except that, WRC first priority for the factory racing team in the vehicle, according to the order of the drivers’ order, followed by the FIA nominated drivers, other drivers are in accordance with the order of registration. Usually before departure must be at least 20 vehicles interval of 2 minutes. Special stage (SS) is the race route of the rally, the drivers and co-pilot make every effort to achieve the fastest time to complete. The race route in the public or private roadsThere are roads, the public would be in the game for traffic control. There are about 25 special stages in a typical rally three days. Between the various stages connected by public roads, on public road games all vehicles must comply with local traffic laws. The length of each stage is different, has from 5 to 60 km, the vehicle will be clocked each stage, calculating a minimum one-tenth.
The Clock Timer
forget the habit of so-called “first person crossed the line victorious,” the traditional racing game. WRC vehicles are not in direct competition with each other. They compete with the strongest rival is time. Each race car departure interval of one to two minutes, each car will be entered into the computer and the timing of the FIA. Unless someone in trouble on the road, such as anchor, otherwise the players hard to see their opponents on the race route. The final event, the victory by a vehicle with a minimum time to complete the race. Race result target
The Points Points
all 16 sub-stations in obtaining two FIA World Championship: championship and team championship. The first integral is obtained drivers, the second to eighth were given 8 points, 6 points, 5 points, 4 points, 3 points, 2 points, 1 point, the fleet drivers integrated adding 2 It is tantamount to team points.
The Time Controls Time control
rally route is – is hosted by a strict timetable. Drivers late or early will be penalized time. Clock time to match the location of the starting point of entrance prevail. Each driver will be fined one minute late 10 seconds, the total time to the time among individuals. If a driver is late for departure more than 15 minutes, or a stage (leg) 30 minutes late, or the entire rally late more than 60 minutes will be disqualified.
The Service Parks maintenance area
After completing a few stages of the game, the vehicle can be for a period of 20 minutes maintenance, the repair process will go to the designated repair area It is closely monitored. Service personnel area composed by team members. After the end of each day of competition, the maintenance personnel can have a long 45 minutes repair time, time to stop the vehicle will be regulated inStart the car until the next morning’s game area among. There will be penalties if the repair time plus overtime.
Engine and transmission engine and transmission system
will typically match the WRC six-gearbox, generally means the sequential shift will be fitted in the vicinity of the instrument panel, and not generally see the manual transmission vehicle. The car also has a clutch pedal, but in addition to start from scratch, other times not need to use. As long as the sliding driving gear lever, by the operation of the other computer control. WRC racing speeds in excess of 200km per hour, every tenth of a second ㄧ are related outcome, and therefore can not waste time at the top speed. The WRC shift time of about 50 milliseconds only – which is about 10 times faster than the commercial vehicle.
engines and tyres engine and tire
WRC 2.0-liter engine car body with the original commercial vehicle is the same, except that it is a mix of turbocharged pressure horsepower beast, maximum horsepower up to 300hp, and at the same time with four-wheel drive. In order to quickly stop such a high speed car, the need to increase the carbon fiber brake discs, with almost the same size rim diameter general car.
Tyre choice tire selection
In order to improve traction and safety, WRC car with enormous 18-inch tires, the 15 inch snow tires, and the tire replacement is very frequent. If you hear a rally team personnel to replace the seven tires do not be surprised. On asphalt road, the vehicle needs a smooth head car tires, rain gutters will be replaced with a tread pattern of rain. On the gravel road, tires must be thick to avoid hitting the gravel road. In the snow, the tire is applied nail standard.
The Pirelli tire plant with anti Michelin also developed a system discouraged, if foreign matter were punctured tire, tires experience foam expands to fill the interior of the tire automatically, to prevent air leakage and may cause potentially dangerous .