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D.d)Working of electric motorisation



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2.D.d)Working of electric motorisation:



Drum kits serving to supply electric engines are reloaded via transformers. Those devices get back the energy as soon as wheels turn and as soon as the car makes a trip, drum kits are therefore continuously powered. The transformers can also get back the kinetic energy produced by the car during deceleration and during braking. Once the energy arrived in the drum kit, it is sent to the electric engine of the car which is going to transfer its power to the wheels to help the thermal engine to produce fewer efforts and to consume less of running, what is obviously going to decrease the consumption and the emissions of CO.

It is about a very different conduct compared to a simple thermal engine because some systems, when the car stops, the combustion engine go out and when the car starts, it uses its electric engine only and when the car reaches a speed of more or less 20 kilometers per hour, the system restarts the gasoline or diesel engine, it allows to save a lot of fuel. During a normal acceleration from 0 to 30 km/h for example, an engine increases its consumption of almost 400 % and it can be more, instead of consuming on average 6 liters per 100kilometers, the engine will spend about 15-20 liters in immediate consumption. Those actions bring a lot of gas releases and we have to avoid this as more as possible today. We can particularly find this kind on system with Lexus, a well known Japanese brand.

A hybrid car generally offers several driving styles like: “Eco” mode, “Normal” and “Dynamic” (or sport). The “Eco” mode generally use a full electric conduct what means that the car isn’t using any fuel or the system limits the power of the car and uses more the electric engine to avoid as more as possible of gas releasing. Moreover, the system searches the best moment to engaging different gears to perfectly use the engine. The brands are recommending this mode during urban trips, because cars have a higher consumption when they are traveling in a city or during a traffic jam.

The “Normal” mode doesn’t have any particularity, the system just use the two engines and have a moderate consumption, it is generally recommended to set this mode on highways and for long trips.

The “Dynamic” mode isn’t really useful except when you want to enjoy yourself and re-wing up your car and have a bit fun if you like the speed. Then the system will rev up the engine at high RPMs (rotors per minutes) to give the best of the power of the car and reach good performances.

3.What about Formula ONE ? :

The Formula 1 finds its origin in the motor racing competition in Europe in the 1920s and 30s. It really begins in 1946 with the standardisation of rules wanted by the international sports Committee of the international Federation of the automobile and the creation of the "International Racing Formula n°1 ", to indicate the optimal quality, compressed in Formula 1. A world championship of Formula 1 is created in 1950 then a cup of the manufacturers in 1958 (which becomes the World championship of the manufacturers from 1982). The evolution of the discipline is closely linked to that of the performances of cars and technical regulations of the competitions. Although the earnings of the World championship stay the main objective, numerous races of Formula 1 took place without being included in the World championship (races out of competition). The latest, competed to Brands Hatch (Racing track in UK), took place in 1983. National championships organize in South Africa and in the United Kingdom in the 60s and 70s.



The Formula 1 in known so much change since 1950, many stables one goes bankrupt or withdrew of championship, rules and the regulations are so complex compared to 65 years ago. The technology goes farther and farther and security measures are ceaselessly renewed and cars possess more and more complexity and performances.

This car seems very archaic with compared to F1 which we know today. Nevertheless, the formula 1 is known to be the state-of-the-art of automobile nowadays and it was already the case in 1950 because this car had a 8cylinders in-line engine accompanied with a compressor, the whole developed 425 horsepower and this car weighed only 710 kilograms who allowed in this single-seater racing car to reach 305 KPH, what is enormous. This car possessed also a very big gasoline tank of 350 liters and consumed up to 175 liters per 100 km, it is monstrous!

At that time, Formula 1 didn’t have any assistance braking service (ABS) or anti-skid system (ASR) and many others drive assistances systems that makes the conduct no easy.

This is the F1 “Exoto Alfa Romeo Alfetta 159” from 1951 who wins the first championship:

This Alfa Romeo was driven by the well known Argentinian driver Juan Manuel Fangio. He won his first Formula ONE championship with her.



The Formula 1 known lots of changes since 1950 in particular with the invention of the back spoiler and then in front, to help the car to have a better adhesion during the corners, to be able to take them more quickly and go always faster. Engines became more and more powerful and capable and the cars lighter. According to time, F1s went faster and faster.

In 1982, the manufacturers had developed a new engine with a turbo. This turbo was coupled with an engine V6 of 1.5litres and the whole had a power furthermore of 1400 horsepower. In 1986, the power during the race was limited at 850hp only. All the power of a F1 was attributed during qualifications (to establish the starting grid for the race).

This is a BMW F1 BT52 of 1983



In 1991, the power of the turbo engine in summer judged too much dangerous with all the sometimes mortal accidents caused by a too high speed. In 1992 F1 thus separated from the turbo to take back an atmospheric engine (without turbo). But in 2014, the racing team world champion "Mercedes AMG" used a hybrid turbo engine of 1.6 liters but much less powerful, she possesses only 900Hp what is still not nothing.

This is theMercedes AMG F1 w06 Hybrid” of 2014



With the technology which we have today, cars reach performances we still have never seen and it will never stop because we progress and that is why, to avoid a maximum of accidents, the international federation of the automobile (FIA) impose a regulation more and more strict in the development of F1. Today, the development for a new engine, if racing teams want to have a powerful but which respects rules, costs a few 100 million Euros. For the biggest teams like Ferrari, Mercedes or William, this sum does not raise big problems because during races, they are generally good classified and earn a lot of money thanks to their possible victory or places on the podium but also thanks to the sponsors who give millions Euros for the advertising on cars. So, we meet the principle of: the rich become more and more rich and the more and the poor more and more poor because teams which finish at the end of the ranking do not really earn a lot of money compared to the others. That is why some teams went bankrupt in the past. But today, another problem results from the fact that the regulation is too strict, it is that several of the biggest F1 racing teams threatened to withdraw if cars have to continue to be restrained more and more. It might be the case of Ferrari or still RED BULL.



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