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What is the purpose of an LSD?

1 Answers
NicoleLee
07/29/25 11:57am
LSD stands for Limited Slip Differential. This device ensures that power is still transmitted to the other wheel on the same axle when one wheel experiences slippage, thereby improving the vehicle's driving stability and safety. All cars are equipped with a differential, which allows the two wheels on the same axle to rotate at different speeds, aiding the vehicle in cornering. When a car is cornering, the outer wheel travels a longer distance than the inner wheel. To facilitate smooth cornering, the rotational speeds of the inner and outer wheels must differ. If both wheels rotate at the same speed during a turn, it can increase tire wear and even lead to accidents during high-speed cornering.
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How long after drinking two small beers can you drive?

After drinking two beers, you should wait at least 21 hours before driving. Alcohol consumption significantly impacts driving ability in the following ways: 1. Visual impairment: Normally, a person's peripheral vision spans 180 degrees, but with a blood alcohol content exceeding 0.08%, the driver's field of vision narrows. Under such conditions, the person is no longer fit to drive. For intoxicated drivers, they may only perceive a very small portion of their surroundings. 2. Slowed motor reflexes: Delayed by one or two seconds. At a speed of 60km/h, the car travels 16.67 meters in one second, which can lead to severe consequences. 3. Reduced tactile ability: Due to the numbing effects of alcohol, the driver's hands and feet have diminished sensitivity, making it difficult to properly control the accelerator, brakes, and steering wheel. 4. Impaired judgment and operational ability: After drinking, a person's reaction time to light and sound stimuli is prolonged, affecting their ability to accurately judge distance and speed.
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What is the purpose of car engine oil?

Car engine oil serves the following purposes: 1. It separates the relatively sliding surfaces of parts to reduce wear; 2. It carries heat back to the oil tank and then dissipates it into the air, assisting the radiator in cooling the engine; 3. It circulates carbon deposits, sludge, and worn metal particles from engine parts back to the oil tank, flushing away dirt generated on the working surfaces of parts through the flow of the lubricating oil. The meaning of engine oil grades is: 1. The letter 'w' stands for winter, indicating all-season oil; 2. The number before 'w' represents the viscosity of the oil under low-temperature conditions, with a smaller number indicating better low-temperature fluidity; 3. The number after 'w' represents the standard for kinematic viscosity at 100 degrees Celsius, categorized into 20, 30, 40, 50, and 60, with the viscosity standard affecting the oil's adhesion performance at high temperatures.
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Can a Car with Replaced Airbags Still Be Driven?

Excluding flood-damaged or accident vehicles, a car with replaced airbags can still be driven. Below is relevant information about airbags: 1. History: The airbag was first proposed by Hetrick in August 1953 and obtained the U.S. patent for 'Automobile Safety Cushion Assembly.' With the establishment of vehicle safety standards in various countries, the installation rate of airbags has been increasing. In Europe, the U.S., Japan, and other countries, the installation rate of airbags in vehicles has reached nearly 100%. 2. Composition: Mainly consists of airbag sensors, collision airbags, and electronic control devices. The driver-side collision airbag is installed in the steering wheel; the passenger-side collision airbag is generally installed on the dashboard. Airbag sensors are installed on the left, right, and middle sections of the cabin partition; the middle airbag sensor and airbag system are installed together with the electronic control device. The airbag module mainly consists of the airbag, gas generator, and igniter.
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What is the incorrect statement about coasting downhill with the engine off?

About coasting downhill with the engine off, the incorrect statement is that coasting downhill utilizes the slope's potential to propel the vehicle forward without the engine working, which can save fuel and should be strongly advocated. Additional information: Engine-off downhill: When the engine is off downhill, the vehicle loses engine braking resistance, and the power steering system also loses its power source, making brake failure extremely dangerous. Do not turn off the engine or shift into neutral when going downhill. If the engine stalls and the vehicle is in neutral while going downhill, it can easily lead to loss of control and accelerated wear of the brake pads. Forced downshifting: Do not turn off the engine to save fuel on downhill sections. If the vehicle stalls abnormally, for manual transmission vehicles, forced downshifting can be chosen, or the handbrake can be gradually applied using a method of pulling tight, releasing, pulling tight, and releasing repeatedly to bring the vehicle to a stop.
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How fast can a 72v1200w motor run?

72v1200w motor speed is about 60km/h to 70km/h. The following is the relevant introduction about the motor: 1. Introduction: Motor (English: Electric-machinery, commonly known as "motor") refers to an electromagnetic device that realizes the conversion or transmission of electrical energy according to the law of electromagnetic induction. The motor is represented by the letter M (old standard uses D) in the circuit, and its main function is to generate driving torque as the power source of electrical appliances or various machinery. The generator is represented by the letter G in the circuit, and its main function is to convert mechanical energy into electrical energy. 2. Classification: According to the type of working power supply, it can be divided into DC motor and AC motor. According to the structure and working principle, it can be divided into DC motor, asynchronous motor and synchronous motor. According to the starting and running mode, it can be divided into capacitor-start single-phase asynchronous motor, capacitor-run single-phase asynchronous motor, capacitor-start-run single-phase asynchronous motor and split-phase single-phase asynchronous motor. According to the purpose, it can be divided into driving motor and control motor.
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How Often Should the Engine Belt Be Replaced?

Car belts are consumable items and require regular replacement. Generally, it is recommended to replace them every 3-5 years or after driving approximately 80,000-100,000 kilometers. The replacement interval for new car belts can be appropriately extended, but they should still be replaced after driving 100,000-130,000 kilometers. The specific replacement time should be referred to in the vehicle maintenance manual. Below are some related details: 1. Other situations requiring replacement: Additionally, the actual usage of the car should be considered. If the car is often driven without heavy loads, the belt can be inspected at 80,000 kilometers and continued to be used if no issues are found, with replacement scheduled at 100,000-130,000 kilometers. If the car is frequently driven under heavy loads, causing greater belt wear, it should be inspected every 60,000-80,000 kilometers and replaced around 100,000 kilometers. 2. Replacement precautions: When replacing the timing belt, it is common to replace the alternator belt and tensioner pulley together. The specific cost depends on the product brand and vehicle model. If the water pump has issues, it should also be replaced simultaneously.
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