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What Does Tire Aspect Ratio Mean?

1 Answers
LaElisa
07/30/25 2:37am
Tire aspect ratio is a data point of a tire, referring to the ratio of the tire's cross-sectional height to its maximum cross-sectional width. Simply put, it is the height-to-width ratio of the tire. Below are some details about tire aspect ratio: 1. Function: It is a major factor affecting the vehicle's sensitivity to road conditions. Vehicles with lower aspect ratios have thinner sidewalls, and the tires bear greater pressure, making them very sensitive to road conditions. This allows them to quickly transmit road signals to the driver, enhancing control, and is commonly seen in performance-oriented models. 2. Feature: Higher aspect ratios mean thicker sidewalls, providing ample cushioning but poorer road feedback, especially feeling more sluggish during turns. This is typically found in comfort-oriented models.
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How many wheels does a sedan have?

A sedan has four wheels plus one spare tire. Micro cars: Generally refers to models with a wheelbase below 2400mm, such as Chery QQ3, Chang'an Benben, Geely Panda, etc. These cars have a wheelbase of around 2340mm. Smaller models like the SMART FORTWO have a wheelbase of only 1867mm. Subcompact cars: Generally refers to models with a wheelbase between 2400-2550mm, such as Honda Fit, Toyota Vios, Ford Fiesta, etc. Compact cars: Generally refers to models with a wheelbase between 2550-2700mm. This category represents the mainstream of family sedans, such as Volkswagen Sagitar, Toyota Corolla, Ford Focus, Honda Civic, etc. Midsize cars: Generally refers to models with a wheelbase between 2700-2850mm. These models are typically used for both family and business purposes, such as Honda Accord, Toyota Camry, Volkswagen Magotan, Mazda6 Atenza, etc.
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How Long Does It Take to Fully Charge at Idle Speed?

Car idling for charging can fully charge the battery in about 1 hour. If the car is not frequently used and you are concerned about battery discharge, it is recommended to start the car and let it idle for about 20 minutes each week. Below is some relevant information about car idling: Specific Introduction: Idling is a working condition of a car, referring to the engine running in neutral gear. The engine speed during idling is called the idle speed. The idle speed can be adjusted by changing the throttle size, etc. Idling means the engine "exerts force without doing work." Meaning: Idling refers to the engine running without load, only overcoming the frictional resistance of its internal components, without delivering power externally. The minimum speed required to maintain stable engine operation is called idle speed, which is one of the five basic working conditions of an engine. For an engine with good working performance, the idle speed is generally between 550-800 rpm.
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Is Neutral Gear Represented by N?

It is indicated by the letter N. N (Neutral) stands for the neutral gear. Neutral gear is the N gear: The neutral gear is the N gear, while the P gear is the parking gear. All automatic transmission vehicles have both P and N gears, and both can be used when parking. However, there are differences between the N gear and the P gear. Their structures are different, and their usage scenarios also vary. Principle of Neutral Gear: The N gear is the neutral gear in automatic transmission vehicles, while the P gear is a gear setting that uses gears for braking. The principle involves using a pawl to hook onto the gear, stopping the rotation of the transmission part, thereby preventing wheel movement. The neutral gear should be used correctly in vehicles.
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What is the working principle of the braking device?

Braking system generally works by using the mutual friction between the non-rotating elements connected to the body (or frame) and the rotating elements connected to the wheels (or drive shaft) to prevent the rotation or tendency of rotation of the wheels. A brake is a device that has the function of decelerating, stopping, or maintaining the stop state of moving parts (or moving machinery). It is a mechanical component that stops or decelerates moving parts in machinery, commonly known as the brake. The brake is mainly composed of the brake frame, braking components, and operating device. More details are as follows: 1. Some brakes are also equipped with automatic adjustment devices for the clearance of braking components. To reduce braking torque and structural size, brakes are usually installed on the high-speed shaft of the equipment, but for large equipment with higher safety requirements (such as mine hoists, elevators, etc.), they should be installed on the low-speed shaft close to the working part of the equipment. 2. Brakes (brake-staff) can be divided into two major categories: industrial brakes and automotive brakes. Automotive brakes are further divided into service brakes (foot brake) and parking brakes (hand brake). During driving, the service brake (foot brake) is generally used to facilitate deceleration and stopping while moving forward, not just to keep the car stationary. The parking brake is used only when the service brake fails. When the vehicle is stationary, the parking brake (hand brake) is used to prevent the vehicle from moving forward or backward.
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What does flooring the accelerator mean?

The term "flooring the accelerator" means pressing the accelerator pedal all the way down when driving, as if the pedal is stuck to the floor, which is the concept of flooring the accelerator. Risk assessment: Not only is it extremely dangerous, but it also damages the engine (especially for new cars). Flooring the accelerator involves pressing the pedal all the way down while driving, making it seem like the pedal is stuck to the floor. It is not recommended for drivers to use this technique, as it not only compromises driving safety but also harms the car's engine and transmission, increasing fuel consumption. Flooring the accelerator is generally used in races or vehicle performance tests and is not advised for daily driving. Stopping the operation: If wheel spin or skidding occurs, the operation should be stopped immediately. At this point, the vehicle speed is usually not very high. To prevent further loss of control, avoid blindly pressing the brake. Simply lifting the accelerator completely and stopping acceleration can usually help regain control. Then, assess the situation to decide whether braking is necessary.
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Manual transmission cars are not difficult to drive, but they may feel a bit troublesome when you first start learning. However, after driving for a while, you'll get used to it, and you might even find automatic transmission a bit unfamiliar. Here’s some related information about car gears: Manual Transmission: A manual transmission is a gearbox that changes the engine's speed and torque transmitted to the drive wheels. It allows the car to achieve different traction and speed under various conditions such as starting from a standstill, climbing hills, turning, and accelerating, while keeping the engine operating within a favorable range. Automatic Transmission: As the name suggests, automatic transmission doesn’t require the driver to shift gears manually. The vehicle automatically selects the appropriate gear based on driving speed and traffic conditions. Typically, automatic transmission cars have six gear positions, arranged from top to bottom as: P, R, N, D, S, L.
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