What does e-cvt mean?

Which is Better: Turbocharged or Supercharged Engine?

Superchargers directly utilize the engine's power to drive the compressor, delivering high-density air into the cylinders to enhance engine output. Turbocharging, on the other hand, uses exhaust gases to drive the compressor. Both forced induction methods have their advantages and disadvantages. Below are the key differences between supercharging and turbocharging: 1. Principle: Supercharging employs the engine's own power to drive a compressor for pressurization; Turbocharging utilizes exhaust gases to spin a turbine in the exhaust pipe, which then rotates a compressor wheel in the intake pipe for indirect pressurization without consuming engine power. 2. Pros & Cons: Superchargers consume engine power, their speed varies with engine RPM, eliminating boost lag - they perform exceptionally well at low engine speeds but suffer from insufficient boost at high RPMs due to engine speed limitations. Turbochargers operate at extremely high speeds, generating several times more boost pressure than superchargers. However, due to turbine inertia and significant bearing resistance, turbine speed cannot instantly match sudden increases in exhaust flow, resulting in turbo lag.

3

1

Share

What to Do When You Lose Your Motorcycle Key?

If you lose your motorcycle key, here are some solutions: 1. Spare Key: Simply take the spare key to a locksmith to have a new key made. 2. Key Duplication: As long as you bring the ignition switch to a professional locksmith, you can get a replacement key. 3. Replace the Lock: Since the motorcycle's fuel tank cap and ignition switch use the same key, both locks need to be replaced in this situation, as key duplication is not an option. 4. Temporary Wiring to Start the Vehicle: 1) For DC ignition systems, follow the ignition switch wires and connect a black wire and a red wire with a pin to start the vehicle. 2) For AC ignition systems, follow the ignition switch wires and cut a black-and-white wire to start the vehicle.

13

1

Share

How old can the tires be when picking up a new car?

The production date of the tires on a new car should preferably not exceed six months. The shelf life of car tires is generally 3-5 years, as the main material of car tires is rubber, which naturally ages over time, leading to a decline in tire performance. In practice, the service life of car tires depends on specific usage conditions. To extend tire lifespan, proper tire maintenance during daily driving is essential: 1. Maintain distance: Keep a safe distance when driving at high speeds to avoid unnecessary or frequent braking, which can damage tires. Also, for safety reasons, pay attention to the tread depth. Worn-out tires with reduced friction against the road surface have longer braking distances and should not be used for high-speed driving. 2. Correct loading: There is a direct relationship between tire load and pressure. Overloading is similar to underinflation and can cause tire damage. Frequent overloading can reduce tire lifespan by 20%-50%. Incorrect loading methods can also lead to uneven tire wear, causing excessive load on individual tires and shortening their lifespan. 3. Maintain proper pressure: Tire pressure is crucial for tire health. The inflation pressure must comply with national standards for different types and specifications of tires. Regularly check tire pressure, as both overinflation and underinflation can cause irregular wear, tread groove cracking, cord breakage, ply separation, and tire blowouts. For sustained high-speed driving, the pressure should be increased by 5%-10% above the standard pressure. Additionally, tire pressure rises due to temperature increases during driving, and air should not be released at this time. 4. Tire rotation: Rotate tires appropriately and timely (check during vehicle primary and secondary maintenance) to ensure even wear and extend lifespan. Tires with slightly larger outer diameters should be installed on the outer wheels. 5. Tire selection: Do not use retreaded tires on the front wheels. Front wheels should preferably use tires with vertical tread patterns, while rear wheels should use tires with horizontal tread patterns.

11

0

Share

Will an Automatic Transmission Car Move Forward by Itself When Shifted to D Gear?

Most automatic transmission cars will move forward by themselves when shifted to D gear and the brake is released. Those that do not move are generally supercars or some small-displacement dual-clutch transmission vehicles, which is related to the type of power coupling device in the transmission. During driving, if you need to stop and wait, it is best to shift the car's gear to P gear. The D gear is located behind the N gear in the middle and rear of the gearshift console, designed to allow the car to automatically select gears while moving forward. When an automatic transmission car is shifted to D gear, the engine and transmission are not rigidly connected but are linked through a torque converter. The working principle is that the engine's power is transmitted sequentially through the torque converter's internal pump wheel, guide wheel, and turbine to the transmission input shaft. The three wheels of the torque converter are independent of each other, with automatic transmission fluid acting as the medium. When the engine drives the pump wheel to rotate, the agitated fluid will cause the turbine to rotate as well, enabling power transmission and allowing the vehicle to move forward automatically. Therefore, automatic transmission cars generally move forward by themselves when shifted to D gear. The transmission structure of supercars is different from that of ordinary household models. Supercars use competition-style clutch plates in their transmissions to prevent slippage. These clutch plates are similar to those in manual transmission cars, operating in a semi-engaged state. Due to the high torque of supercars, shifting to the forward gear (i.e., the semi-clutch state) will not cause the vehicle to move forward to protect the clutch from excessive wear. Therefore, supercars will not move forward when shifted to the forward gear without applying throttle.

7

5

Share

What are the gears of the Magotan automatic transmission?

Here is the introduction to the gears of the Magotan automatic transmission: 1. P gear: Parking gear position. The driving wheels of the car are locked. The shift lever can only be moved into this position when the car is completely stopped. To move the shift lever out of this position, the brake pedal must be pressed, and the ignition switch must be turned on. 2. R gear: Reverse gear position. When reversing, move the shift lever into this position, and the reverse lights will turn on. 3. N gear: Neutral position. When the shift lever is moved into this position, the transmission does not support any gear, no power is transmitted to the wheels, and the engine braking function cannot be used. 4. D gear: Driving gear position. When the shift lever is moved into this position, all forward gears of the transmission will automatically shift up.

16

1

Share

What are the differences between Linhai Yamaha and Jianshe Yamaha?

The differences between Linhai Yamaha and Jianshe Yamaha are as follows: 1. Different focuses: Linhai Yamaha: Not weak in strength, previously focused on Yamaha's small-power engines. Jianshe Yamaha: The engine performance and overall stability are quite outstanding, with more classic models such as the Tianjian series, Feizhi series, Fuxi, Qiaoge, and Aifa. 2. Different production locations: Linhai Yamaha: Registered and established on December 14, 1994, with the Taizhou Administration for Industry and Commerce. Legal representative Chen Wenlong, the company's business scope includes the production of motorcycle engines, motorcycles, electric bicycles, and parts. Jianshe Yamaha: Chongqing Jianshe Yamaha Motorcycle Co., Ltd. (referred to as "CJYM") is a large-scale motorcycle enterprise jointly established by Chongqing Jianshe Electromechanical Co., Ltd. (formerly: Chongqing Jianshe Industry Co., Ltd.) and Japan's Yamaha Motor Co., Ltd. It was approved by the Chongqing Municipal People's Government in November 1992 and officially put into production in 1994.

11

5

Share

What does e-cvt mean?

Which is Better: Turbocharged or Supercharged Engine?

What to Do When You Lose Your Motorcycle Key?

How old can the tires be when picking up a new car?

Will an Automatic Transmission Car Move Forward by Itself When Shifted to D Gear?

What are the gears of the Magotan automatic transmission?

What are the differences between Linhai Yamaha and Jianshe Yamaha?

What are the characteristics of Continental tires?

Should the clutch and brake be pressed together when parking?

Are Hybrid Cars Worth Buying?

Why does replacing the battery in French cars burn the ABS?