Do electric cars have gearboxes?, How does the electric car gearbox work?

How does the electric car gearbox work

In addition, the electric models also have an additional function marked by the letter “B” (brake) which, in practice, increases the electrical resistance of the engine during deceleration, thus obtaining a double function: it amplifies the brake effect engine, therefore reduces speed, and increases the intensity of energy recovery.

Do electric cars have gearboxes ?

The gearboxes are used to transmit the power of the engine to the drive wheels. With the Manual boxes (BVM), The gear passage is carried out by handling the gear lever while pressing the clutch pedal. This type of box has 5 or 6 gears and the driver must each time intervene for report changes, whether it is a question of downgrading or making an acceleration. With Automatic boxes (BVA), It is not necessary to intervene each time to pass the speeds, and the automatic car does not include clutch. It has a robotic box allowing it to change the engine speed on its own, depending on the situation. Most electric cars do not have a gearbox. However, this device is present on certain models. For what ?

Summary :

No, electric cars do not have a gearbox

On an electric car, there is neither manual transmission nor automatic transmission. The speed change is useless, because The engine delivers its maximum power from the start. Thus, only one report is enough for the change of diet which is made fluidity. The driver always stays with hands on the steering wheel, no speed control is necessary to accelerate or demo: you just have to use the vehicle controls and the two pedals. The absence of a gearbox, associated with particularly silent driving, can promote sudden acceleration. It sometimes takes time to get used to a more flexible driving. However, this is the basis of eco-driving that must be adopted on board an electric vehicle.

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What are the commands on an electric car ?

  • D For “Drive” which is used to start and advance the car;
  • R for “Reverse” which is used to reverse;
  • N for “neutral” That is to say, switch to standstill;
  • P for “parking” that is to say to be stopped.

However, more and more electric cars are equipped with the B command for “Brake” which means “braking”. This allows you to activate the engine brake, to optimize energy recovery. The use of this order is one of the reflexes to adopt when driving an electric vehicle, as the energy recovered saves on the recharge of your car.

Some electric cars have a manual transmission

There manual gearbox is present on certain models of electric vehicles.

Indeed, if the passage of reports is not essential to start and advance the car, the operation can be useful at high speed or on a difficult road. La manual control helps maintain the ideal speed in the face of hollows and bumps. The prototype Jeep Magento is for example equipped with a manual gearbox.

Likewise, if the electric car easily reaches its maximum power from the start, it can run out of steam after a while. It is for this reason that Porsche endowed his Taycan model gearbox.

Finally, The gear lever provides a nice driving sensation, Even if it is completely useless. On the Italian sports car Delta Evo-E, The gearbox is only used for this.

When you buy your vehicle, consider installing a home charging station to easily recharge your vehicle in off -peak hours.

How the “gearbox” of electric cars works ?

On electric cars, there are not really, although we find the same commands as an automatic and sometimes even pallets.

By: Filippo einaudi

One of the advantages of electric cars is the simplicity of their mechanics. The engines are relatively small. And the gearbox is practically absent. Indeed, an electric motor delivers maximum torque from the start and in a large operating range (it can reach up to 10,000 rpm) that it is capable of ensuring adequate maximum speed with one transmission report. But if “physically” the gearbox is not there, there are always controls and equivalent functions.

To better understand the electric:

Like an automatic transmission

Whether it is a classic lever, or a series of push buttons, the gearbox of an electric sums up the basic functions of all the transmissions: D, R, N, P -Wey (Drive), rear (reverse), point (neutral), parking (parking), the positions common to all automatic transmissions. Even if here the first two, D and R, are done simply by reversing the polarity and therefore the direction of rotation of the engine, while the deadline function leaves it simply inert, and that p activates a mechanical blocking of transmission as on conventional transmissions.

The engine brake and the “B” function

In addition, the electric models also have an additional function marked by the letter “B” (brake) which, in practice, increases the electrical resistance of the engine during deceleration, thus obtaining a double function: it amplifies the brake effect engine, therefore reduces speed, and increases the intensity of energy recovery.

On some models like the Audi e-tron, this function was refined thanks to the palettes behind the steering wheel. But contrary to what is happening with thermal cars, they are not used so much to modify the report as to manage, with precision, the strength with which the car is slowed down. And therefore the energy recovery phase. This means that in anticipation of a stop, for example a traffic light, we can gradually slow the car electrically, obtaining more energy recovery, and postpone the use of the brakes until effective stop.

What about hybrids ?

If for electricity the principle is common, with regard to hybrids there are many different solutions: some models such as the Toyota Prius, Yaris, CH-R, RAV4 and Corolla Hybrid use a reducer who “simulates” the behavior of ‘A continuous variation gearbox, by coordinating the combustion engine and the electric motor. Others, like the Honda Cr-V Hybrid, do not have gearbox because it is generally the electric motors that push the car, while in the few intervals where the internal combustion engine occurs, it is directly connected to transmission by a clutch and without it being necessary to vary the report.

The new PSA Hybrid system is based on the kinematic chain of petrol models using the same 8 -speed gearbox but with a multi -deceived clutch instead of the converter which facilitates the raising and the alternation between the combustion engine and the engine electric. In all these cases, the functions which can be activated by the driver remain those described above (including the engine brake). In addition, hybrids also have an EV button which “forces” the car to move only in 100 % electric mode until the battery no longer has juice, or that you press too hard on the accelerator.