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In addition to the appearance and intelligent configuration of electric vehicles, I think the most important thing is to look at the three major parts, the battery determines the battery life, which must be carefully selected, the motor determines the power, the replacement cost is high, and it should also be noted that the last is the brake, which is the most important component to protect the safety of travel, and it is also necessary for the owner to understand.
The battery mainly depends on the capacity and voltage, the motor depends on the brand and rated power, but about the brakes, how to choose, the current mainstream has double drum brakes, double disc brakes, front disc and rear drum these 3 configurations, which brake effect is the best, today's small experts for this knowledge, a detailed introduction, so that you know all.
The advantages and disadvantages of double drum brakes, double disc brakes, and front disc and rear drums
Let's start with the dual drum brakes:
Advantages: It is the most competitive braking configuration, its single braking force is relatively high, the installation is simple, and the maintenance and after-sales cost is relatively low.
Disadvantages: The brake stability is relatively poor, and the brake pads generally have a short life due to poor heat dissipation performance, fast wear, and generally a short life.
Let's take a look at the dual disc brakes:
Advantages: The heat dissipation of the disc brake is relatively good, in addition, because the disc brake has good drainage performance, there is no need to worry about the rain affecting the braking performance, in addition, the double disc brake is the most responsive brake configuration.
Disadvantages: The single braking force is not as good as the drum brake, the manufacturing cost is high, the structure is complex, the failure rate is high, and the maintenance is difficult, and the after-sales cost is higher.
Finally, look at the front disc and back drum:
Advantages: At present, the mainstream electric vehicles are configured with the front disc and the rear drum, why, there are 3 advantages in summary;
1. Its cost is lower than that of front and rear double discs, and it is safer and more cost-effective than front and rear double drum brakes.
2. The front disc and rear drum make up for the shortcomings of the single braking performance of the double disc brake, and in case of emergency, the braking stability of the front disc and rear drum is higher;
3. The maintenance of the front disc and rear drum brake is relatively more convenient, and the cost is relatively low, why do you say that, because the highest braking frequency is the rear wheel, and the rear wheel is equipped with a drum brake, which will reduce the after-sales cost and save money.
Disadvantages: Compared with the front and rear disc brakes, the braking distance will be longer, compared with the double drum brake, the maintenance cost is higher, and the owner is not Xi to operate, compared with the double drum brake, there may also be a tail flicking situation.
Who has the best effect of double drum brakes, double disc brakes, front disc and rear brakes
After introducing the advantages and disadvantages of the three types of brakes, let's get to the point, let's talk about the double drum brake, double disc brake, front disc and rear braking effect, which is the best, the so-called braking effect, of course, the braking distance.
The little connoisseur found a set of tests, using dual disc brakes, the braking distance is only 4 meters, and the configuration of front disc rear drum brakes, the braking distance is 5.3 meters.
It can be seen that in terms of braking effect, the three brake sequences should be double disc brakes> front disc rear drum > double drum brakes, if the braking is correct, the braking effect of double disc brakes is the best.
Double drum brakes, double disc brakes, front disc and rear drums, how to choose an electric car?
At the end of the conversation, we are chatting about how to choose double drum brakes, double disc brakes, front disc and rear drums, small experts believe that do not feel the most expensive, the best braking effect is the most worthy of choice, and should uphold the principle that suits you is the best.
About the choice of double drum brakes: the new national standard electric vehicle for daily riding, used for short-distance commuting, picking up babies, shopping for groceries, double drum brakes have low cost and convenient after-sales, and are the most recommended.
Regarding the choice of dual disc brakes: In mountainous roads with large undulations, fast daily driving, or heavy loads, in order to ensure agility, dual disc brakes are the first choice.
About the choice of front disc and rear drum: common takeaway electric vehicles are strongly recommended to choose the front disc and rear drum, which can cope with various road conditions, in addition, for the choice of more than 3000 yuan for the electric vehicle, you can choose the front disc and rear drum.
Summary:
From the braking effect alone, the braking distance of the double disc brake is the closest, and the effect is the best, but through the analysis of their advantages and disadvantages, for the vast majority of users, the choice of the front disc and the rear drum will not be wrong.
So, what kind of brake will you use for electric vehicles?
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