For the 2019 season, the limit was again increased to 110 kg. 180 – 200 kg / 250 - 290 L)įor the 2017 season, the fuel limit per race was increased to 105 kg. The engine technology was greatly changed from the 2014 season with the introduction of the 1.6-litre turbocharged V6- hybrid engine. Since 2014, transmissions with 8 gear ratios and 1 reverse gear ratio are required in Formula 1 cars.Ģ.4-litre V8 engines were used in the 2013 season. Active suspensions were also banned in 1994 due to safety concerns by the FIA over ever-higher speeds, and other "driver aids" were also banned that same year, including 4-wheel steering, which was tested and found to provide negligible if any reduction in lap times. A rule was added in 1994 that stated that gearboxes must have anywhere from 2 to 7 discrete gear ratios, alongside a clause that explicitly bans CVTs. CVTs have never been used in Formula 1 races. It was speculated that the use of a CVT alone led to an advantage of several seconds per lap. The computers must contain a telemetric accident data reporting system.Ĭontinuously variable transmissions (CVTs) have been banned since 1994, two weeks after very successful tests in the Williams FW15C in 1993 that proved CVTs had the potential to keep other teams at a competitive disadvantage for a long time due to the difficulties of designing sufficiently strong belts for use in CVTs. Electronic starters and launch control are forbidden. Onboard electrical and computer systems, once inspected at the start of the season, may not be changed without prior approval. The nosebox must withstand 40 kN (9,000 lb f) for 30 seconds without failing. For the cockpit rim, the figures are 10 kN (2,200 lb f) and 20 mm (0.79 in). A maximum 3 mm (0.12 in) deformation is allowed. The cockpit must survive a 25 kN (5,600 lb f) force with no failure for the fuel tank, 12.5 kN (2,800 lb f) is applied. In addition, there are "squeeze tests" on the cockpit sides, fuel tank, and nosebox. The steering wheel must survive the impact of an 8 kg (18 lb) 165 mm (6.5 in)-diameter object at 7 m/s (16 mph) with no deformation of the wheel or damage to the quick-release mechanism. Side impacts by a 780 kg (1,720 lb) object at 10 m/s (22 mph) must be decelerated at less than 20g, and absorb no less than 15% and no more than 35% of the total energy 80 kN (18,000 lb f) can not be exceeded more than 3 milliseconds. The roll hoop is not permitted to crush beyond 50 mm (2.0 in), and structural failure is only permitted in the top 100 mm (3.9 in) of the body. The same chassis must then sustain a rear impact from a sled travelling at 30 mph (48 km/h), with no damage in front of the rear axle. There is a 30 mph (48 km/h) head-on impact into a steel barrier "average deceleration must not exceed 25g", with a maximum 60g for a minimum 3 milliseconds, with no damage to the chassis beyond the nose section. There are also mandatory crash test standards. The driver must be able to enter and exit the cockpit without any adjustments other than removing the steering wheel. Additionally, the car must contain roll structures behind and ahead of the driver. The main chassis contains a "safety cell" which includes the cockpit, a structure designed to reduce impact directly in front of the cockpit, and the fuel cell directly behind the cockpit. The maximum distance allowed between the front and rear wheels (the wheelbase) is 360 cm. The car must only have four wheels mounted externally of the body work with only the front 2 steered and only the back 2 driven. The car and driver must together weigh at least 798kg as of 2023 . Though there is no maximum length, other rules set indirect limits on these dimensions, and nearly every aspect of the car carries size regulations consequently the various cars tend to be very close to the same size. Current rules and regulations Technical Chassis Īn F1 car can be no more than 200 cm wide and 95 cm tall.
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