The cars are constructed from composites of carbon fibre and similar ultra-lightweight (and expensive to manufacture) materials. The minimum weight permissible is 605 kg (1334 lb) including the driver, fluids and on-board cameras. However, all F1 cars weigh significantly less than this (some as little as 440 kg ) so teams add ballast to the cars to bring them up to the minimum legal weight. The advantage of using ballast is that it can be placed anywhere in the car to provide ideal weight distribution.
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The minimum weight allowed by the rules is 600kg including driver. So at the end of a race when the fuel is low, the tyres are worn, the brake pads and discs have worn down and the driver has lost weight through loss of fluids, the overall package must still weigh at least 600kgs. The teams work out their weights to such a fine degree that once a race is over the drivers deliberately drive off the racing line to to pick up bits of tyre rubber called marbles that have worn off their tyres during the race. The marbles stick to their hot tyres thereby making them heavier because every little bit of weight counts.
The F1 cars is made up from composites of carbon fibre and similar ultra-lightweight materials. The minimum weight permissible is 620 kg (1,367 lb) including the driver, fluids and on-board cameras.
The minumum weight limit is 620kgs.
Changed to 640 kilograms including the driver in 2011 because of that FIA wants the teams to use KERS. The car in original version usually doesn't meet the requirements but the cars are aloud to be filled with ballast.