How a Formula 1 Race Car Works

 

how do f1 cars work

I'm AbdulfatahAbdulrasheed, creator of Frzautoelectrician. 

 And this is how a Formula 1 race car works.  Let's start with Aerodynamics,  which is how the car interacts with and moves through the air around it.  It's best to focus on the overall theory here to avoid getting lost in the absolute maze of individual aerodynamic features.  The front wing curves upward, forcing air to move around it in such a way that a high-pressure area forms above the wing, with a lower pressure area beneath. This pressure difference is a contributor to a kind of suction force called "downforce"  that pushes or sticks the car to the track.  Where the wing ends and these different pressure zones meet, the air crashes into itself,   creating a spiralling vortex. Vortices cause drag, which tugs at the car,   slowing it down. A cap on the wing tip interrupts vortex formation for a less intense effect.  The pointed, curved-in surfaces on the inside edge of the wing intentionally shape   And direct a vortex around the floor of the car,  sealing in the clean air that passes underneath. So, while vortices do cause drag,   they're also a useful tool to separate and seal in different areas of airflow.  As a matter of tradition, F1 cars don't have fenders, and the open,   spinning wheel and tire combination is a major source of dirty, turbulent air.   Turbulent air is unpredictable and not very useful for aerodynamic goals,   like generating downforce. Directly behind the tires, barge boards condition or "clean up" some of this airflow while also pushing lots of dirty wheel air away from the body.  The narrow gap between the car floor and the track turns the entire floor into a giant downforce generator as air squeezes,   thins, and rushes beneath the car at a  different rate and pressure than overhead air.  The floor has a forward tilt or "rake" that creates very low 

pressure at its narrowest point But allows air to more smoothly rejoin ambient air pressure as it flows out the back.   A diffuser at the rear amplifies this goal,  with its more pronounced upward curvature.   The diffuser also has vertical vanes to control and direct the massive vortices that form behind the car as air pours out from underneath.  Clean air is directed into the side pods for cooling purposes;   this stream passes through the car and out the back beneath the rear wing. The smoothly contoured body guides airstreams gracefully around bodywork for predictable handling under extreme conditions.  The upward-curved rear wing, which is another critical downforce generator, has notched end caps, with gaps, and louvres to allow some air to combine early, altering and shaping rear wing vortex characteristics. It's also where,  in wet conditions, the noticeable, misty wing tip vortices sometimes appear in plain sight. A hydraulic actuator tilts a section of the rear wing when the drag reduction system or DRS is engaged,   Generating less rear downforce but allowing higher overall speed.  The massive area of dirty air behind the car can make it difficult for other cars to approach and overtake. It's worth noting here,  that in coming years the aerodynamic design regulations for F1 cars are set for major changes to encourage closer racing and overtaking. The airflow pattern might look more like this than the current wide, dirty wake.  Now let's go underneath this exterior bodywork,  starting with the core support structure.  A carbon fibre shell called a monocoque, the engine heads and block, and the gearbox enclosure form the main structural support for all other systems.   There's no additional frame or chassis underneath. Key components are either mounted directly to the surface or housed inside these sections.  Suspension Both front and back suspension setups share similar components: upper and lower wishbone arms with a push or pull rod.   The wishbones are rigid structural supports with limited vertical travel. At the front,   where heat isn't an issue, wishbones are directly attached to the monocoque and have simple flexure joints,  designed to bend under load.   At the rear, where engine heat can be intense, spherical bearings are used.  The push or pull rod is where the action happens. Our model has push rods in the front and pulls rods in the back, which is simplified, and just indicates how the system is mounted:   to push or pull connected suspension parts. If parts can be mounted down low for a lower centre of gravity, all the better. The pull-rod connects to a rocker and damper,   which we call shock absorbers in normal cars. But instead of large coiled springs,   F1 suspension uses a small metal rod called a  torsion bar that twists under load. One side of the torsion bar moves with the outer cylindrical shaft while the other side is stationary.  Both independent suspension sides are linked to a  central roll bar that twists to limit body roll.  Heave is the vertical position of the car, which is critically important for proper aerodynamics.   The heave spring and damper cleverly come into play when both sides move up or down together,   for example, during acceleration or braking,  but are mostly inactive for other movements.  The heave spring in our model is a stack of flexible, cone-shaped washers that compress together under load. Washers can be added or subtracted for fine adjustments.  The front suspension handles similar tasks to the rear, but with different techniques.  The steering system is closely packaged with front suspension. A track rod links each tire   to a fairly standard hydraulic rack and pinion 

setup, with the steering column extending into the cockpit. The rear suspension has a track rod as well for vertical tire angle adjustment.  All wheels must be attached to the car with wheel tethers. These are strong cables that keep wheels connected to the car in the event of an accident. They're required to pass through more than one suspension element for increased safety. With few exceptions, most exposed suspension   Elements are either made from or bonded with carbon fibre for better aerodynamic forms.   This is another major reason suspension parts are packaged inside bodywork,   away from outside air wherever possible. Braking system  A master cylinder and reservoir controls and stores hydraulic fluid for braking. F1 cars have two master cylinders and accompanying reservoirs,  for front and rear brakes respectively. The cylinders are mounted to the brake pedal on one end, and a threaded brake bias screw on the other.   This bias screw is electronically controlled and can be adjusted on the fly as directed by the driver. The screw position allows different pressure to the front or rear brakes.  Brake lines snake through suspension elements to the brake calliper and shoe assembly.   Intense brake heat must be precisely managed,  so the entire inner wheel assembly is covered by a ducted carbon fibre shroud. The front wing helps direct air to brake ducts and through the inner wheel for cooling. The callipers are mounted at the lowest   Possible position for proper brake bleed --  that is, ensuring troublesome air bubbles can escape hydraulic brake lines -- while maintaining a low centre of gravity.  The brake discs and shoes are made from a carbon-based material. The disc has thousands of small holes extending from the centre outwards for maximum cooling effect.  The rear brakes have a similar design strategy but have become smaller in recent years with the addition of the  MGU-K, or Motor Generator Unit - Kinetic.   The MGU-K is geared to the crankshaft and functions as an electrical power generator to charge an onboard battery, as driven by a portion of rear braking forces. A computer mounted inside the gearbox enclosure manages and balances this complex system.  The wheels are secured to the hub with a single wheel nut. Metal retention pins keep the nut securely in place. A specially designed wheel gun pushes these pins down when removing the nut.  Engine and associated systems  F1 cars use 6 cylinders in a V configuration.   The pistons are somewhat flat and small to suit the high-revving engine.  Intricate exhaust headers feed a comparatively massive turbine at the rear of the engine which is part of a split turbocharger design that separates these normally stacked turbo components.   Red-hot exhaust gasses drive the turbine wheel,   which in turn spins the front-mounted compressor wheel,   drawing in and compressing huge quantities of air.  All this pressure adds unwanted heat to the incoming air,   so one entire side pod is dedicated to the intercooler.  That path of incoming air looks like this: the compressor draws air in through an intake duct mounted in the roll hoop above and behind the driver's head.   Hot air leaves the compressor towards the intercooler.   Side pod air rushes by the intercooler's tubes and fins, cooling the compressor air inside.   The now cooled air passes through special split ducting that feeds separate intake plenums.   These are chambers designed to keep air pressure balanced between cylinders.   Intake trumpets extend into the plenums for specially tuned air delivery to each cylinder.  The air flows by and cools the engine and other internal parts on its way out the back of the car.  The exhaust section of the turbo has dual wastegates corresponding to each exhaust input,   to vent off excess gases when needed. Wastegate pipes follow the main exhaust pipe out the back.  A high-tech heat recovery unit sits between these turbo compartments,   called the MGU-H, or Motor Generator  Unit - Heat. Excess heat from turbo gases drives this unit to act as an electric generator to charge the onboard battery.  Energy Recovery System (ERS)  The MGU-H and the previously shown MGU-K together make up the hybrid functionality of the modern F1   car. Both units generate an electrical charge for the battery. Once sufficiently charged, the battery can send power back through the MGU-K unit, which again, is geared to the crankshaft. In this way,   the MGU-K can generate an additional maximum of 160  hp or as much as a separate small car engine.  Cooling Various additional radiators for cooling occupy the opposing side pod. This includes the main engine cooling radiator, an oil cooler, and a battery cooler. An additional bank of radiators sits in the path of a separate roll hoop air duct,   to cool hydraulic oil, gearbox oil, and the MGU-H and K systems. F1 teams may locate specific radiators in different positions than I've shown here,   though the generally available spaces will be similar. They may also use water-driven for turbo air, in contrast to the simpler air-to-air setup I've chosen.  Fuel tank The fuel tank,  

Also known as a gasoline cell, is a nearly puncture-evidence kevlar bladder coated with rubber. It occupies a remoted compartment withinside the carbon fibre monocoque shell and fills all to-be-had space. F1 gasoline cells can preserve wonderful 30-forty gallons (115 - one hundred fifty litres) of gasoline, which is simply sufficient for an unmarried race as pit-prevent refuelling isn't always allowed. These automobiles get an envisioned 4-6 miles according to a gallon of gasoline (1.7 - 2. fifty-five km/L) The tank has diverse inner baffles with one-manner valves to tame the sloshing liquid beneath neath wonderful racing forces. The intention is to hold the massive gasoline mass targeted and low, and additionally to save you foaming and gasoline pumps starvation. The engine oil tank is placed between the engine and the gasoline cell. Gearbox The 8-velocity gearbox (7 ahead plus reverse) sits in the back of the engine in its very own aluminium cartridge. The rear differential gears connect with rear axles with unique tripod joints that permit spinning axles to tilt with the rear suspension movement Safety systems F1 automobiles have strong protection systems. The rear crash shape protects towards rear impact. Side crash systems are hidden withinside the aerodynamic bodywork. The detachable front nostril phase handles the front impact, and the all-crucial monocoque forms a protecting cocoon across the motive force. Also connected to the monocoque: a halo tool which become applied in 2018 for extra motive force protection, and a roll hoop. The motive force's helmet is stored inside a selected perspective from the roll hoop to the frame for most safety withinside the occasion of a rollover. Cockpit F1 racing seats are made from moulds taken from a selected motive force's frame. The motive force sits in a reclined position, nearly like laying semi-upright in a hammock. A six-point harness maintains the motive force in place. The seat wraps across the motive force's frame anyplace possible, and protection systems surround the helmet region. Drivers put on a unique brace known as the HANS or head and neck tool to restrict head movement In destructive conditions. Linked strap clips to both aspects of the helmet, and the shoulder harness straps hold the tool pressed towards the motive force. A beverage tube extends over the shoulder; it is linked to a small fluid reservoir to hold drivers hydrated whilst racing. Drivers use exceptional helmets the front and rear

spoiler designs to hold their helmets from lifting or shifting around with sometimes dramatically moving air pressures. In current years, the visor establishment has in addition narrowed to defend the extra fragile visor region from puncture or breakage. The cockpit layout makes green use of all to-be-had space, so drivers should dispose of the steerage wheel to go out. Steering wheel This is the famed Formula 1 steerage wheel. Drivers in most cases do not want to

dispose of their palms from the wheel for steerage, so the wheel would not want to be round. A customizable show in the middle shows the contemporary tools as the most important item, in conjunction with such things as lap times, tire and brake temperatures, common velocity, and so on. The daunting array of knobs, dials, and LEDs offers drivers and groups first-rate controls that may be adjusted on the fly for the duration of a race. Clockwise from the top left, there is the power recuperation device dial to govern the MGU H and K. Left and proper menu navigation buttons. A

push to speak radio transfer for group communication. LED caution lighting fixtures for vital systems, a row of LEDs throughout the pinnacle of the show acts as a rev counter and shift mild device, the release manage the transfer, that is growing to become on for race begins offevolved and rancid while racing, the braking stability dial for the front and rear brake bias, a pit limits button to robotically impose things like pit lane velocity and acceleration restrictions, an engine mapping dial to regulate engine overall performance characteristics, DRS toggle button, rear differential lock open or closed adjustment, with separate flip access and flip go out adjusters. The beverages dispenser button. More settings navigation buttons. Three programmable preset dials for

the engine, chassis (suspension), and a state of affairs selector for such things as moist climate or tire upkeep preset. The impartial button is for impartial and reverse gears, which can not be decided on with rear paddle shifters. A "message ok" button, an overtake button to immediately practice premier settings for overtaking. Finally, a hydraulic settings dial to govern the complicated hydraulic components unfold for the duration of the car, for example,  withinside the gearbox and suspension systems. Paddles behind the steerage

wheel manage tools moving up or down. The centre paddles are motive force customizable. And each backside paddles actuate the grab. Only one grab paddle may be used for the race start. Once in motion, the grab isn't always wished for tools moving. Further down into the cockpit we see the fueloline pedal with contours to wrap across the motive force's foot to hold pedals completely separate, and the brake pedal at the left. Sensors There are sensors throughout those automobiles. For example, a pilot tube on the front measures air velocity. The motive force's custom moulded earplugs have an accelerometer to tune head movement. There's a microphone on the rear to select out exhaust sound. For length comparison, this is our common height motive force version status beside a mean-sized car, after our Formula car. Even with the extent of elements I've strived to acquire here, there is a lot extra. Formula 1 automobiles truely are wonderful racing machines