From time to time, the forum has such card members to say that the 340-horsepower truck I bought was not as strong as the 290-horsepower of others, and there was a feeling of being deceived. There are cardmates who say that my car is also 420 horsepower, but it is also worse in efficiency than others, and fuel consumption is also higher. What happened to these situations? We first abandon the gearbox and the main reduction ratio configuration factors, the engine itself to analyze the study, the relationship between power and torque.
â— Different power at the same torque
Most cardmates encounter different torques with the same power, such as WP10/336 and WP10/336N. Both engines have the same displacement and power, but the torque is different. The WP10/336 has a maximum torque of 1250 N/m while the 336N has a torque of 1500 N/m. Cardmembers usually do not understand this situation, the car bought back and I feel that my car and my friend's car are 336 horsepower, why not my car is as strong as him? This is the reason.
â— Part of unscrupulous manufacturers' dummy power data
There are also some car users who feel that their cars are boring. They may have bought unscrupulous manufacturers' virtual power products. Many engines with the same displacement have different power segments, but their appearance is the same. Knowing that it was cheated and spent money.
Therefore, it is necessary to check the car's series of data in detail before purchasing a car. If you really buy such a virtual vehicle, you know how to use it. It is also very useful for safeguarding your rights. It may be that many cardmates said that power and torque are exactly what they mean. In order to understand the relationship between them, we will learn together again.
â— What does power and torque mean?
What is the difference between power and torque? First of all we have to know what power is all about. Power is the work done by an object in a unit of time. In the same time, the more work is done, the greater the power. And quantifying the power unit of this power is what we often call horsepower. On the engine, there are markups such as 340 and 420 horsepower.
The size of horsepower is like a donkey grinding. In an hour, how many pounds of donkey can grind is the power of this donkey. The same size of the disc, a donkey can wear 300 pounds an hour, while the other donkey can only wear 200 pounds, the same time, the first donkey to do more work, which shows the power of the donkey Big. The performance of the size of the power here is how much the donkey can do. Put it on the engine and say that this car is running fast and can maintain a high speed for a long time.
Torque refers to a special moment when the object rotates. On the engine, it refers to the torque output from the crankshaft. The size of the torque is like this donkey can also pull a larger grinding disc or a roller, so its force on the leg is great. Put on the engine, is the embodiment of high torque, the most intuitive phenomenon is that the acceleration is better, but due to the characteristics of the internal combustion engine, the horsepower and the torque can not be the same on the truck engine.
Because in the fixed power condition, the torque is inversely proportional to the engine speed, that is, the higher the speed, the smaller the torque, which is why the engine's large torque speed range is usually not in the maximum power range. In a nutshell, it is the speed that needs the support of the power, and pulling the heavier cargo and accelerating and climbing the hill will need to be supported by the torque. This is why the power of the car engine is usually larger and the torque is smaller, while the truck engine is the reason for the smaller torque and higher power.
Through the above study, card members should all understand the relationship between horsepower and torque, not horsepower will certainly run fast, the stronger the ability to climb. Having learned these basic knowledge, in the process of selecting a car or buying a car in the future, it will not be fooled by unscrupulous businessmen and bring some unnecessary troubles to themselves.
â— Postscript
The same horsepower, but the car is not as strong as others, we put aside the chassis configuration factors, the reason is that the engine's power torque is different. Although it is impossible to say that a high-powered, high-torque engine is suitable for you, after understanding the relationship between power and torque, you can at least not be fooled. You can also avoid the folly of unscrupulous merchants in the process of buying a car. Are you afraid of the end? Of course, we also have to condemn those manufacturers who have falsified data. It is impossible to rely on å¿½æ‚ .
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