International procurement intelligence

List of contents of this article:

• 1, Advantages and disadvantages of automobile engine form.
• 2, Advantages and disadvantages of single-cylinder engines
• 3, Advantages and disadvantages of horizontally opposed engines
• 4、What are the advantages and disadvantages of the horizontally opposed engine
• 5, Which is better, turbocharging or naturally aspirated

Advantages and disadvantages of automobile engine form.

The advantages are that it is convenient to maintain the engine, the clutch and transmission control mechanism are simple, the height of the cargo compartment floor is low, and the axle load distribution of the front and rear wheels is relatively reasonable; the disadvantage is that the transmission shaft is long, which affects the transmission efficiency. This layout is mostly used in high-end or large cars.

Front horizontal, the most commonly used medium and low-end cars, suitable for the front drive structure.The advantage is that it is simple, and the disadvantage is that it is easy to push the engine back and squeeze the driver's compartment after a crash. 2. Front vertical is also suitable for front-wheel drive, and more suitable for rear-wheel drive and four-wheel drive.

The long-distance control of the control device makes the structure complicated and inconvenient for maintenance. The engine heat dissipation conditions are poor, and it is not easy to judge the engine failure by hearing when driving. Engine front-mounted and front-wheel drive.

Engine front-front drive (FF): It is a popular layout form on cars. Advantages and disadvantages: compact structure, reduce the weight of the car, reduce the height of the floor, improve the control stability when driving at high speed, etc.

Single-cylinder Advantages and disadvantages of motives

Advantages and disadvantages of single-cylinder engines Advantages: The design of single-cylinder engines is simple and compact, which can usually provide more power in a limited empty range. The cooling effect is also better than that of a multi-cylinder engine. If the air body is used for cooling, the mass can be further reduced. Because the single-cylinder engine requires a larger inertial flywheel, the engine speed is relatively slow.

The simplest thing for a single-cylinder engine is to save fuel, and the fuel consumption of a twin-cylinder engine is relatively high. This is the advantage of a single-cylinder engine and a disadvantage of a twin-cylinder engine.Of course, this refers to the same conditions. However, the single cylinder shakes more violently than the double cylinder, which is the disadvantage of the single cylinder and the advantage of the double cylinder. The twin-cylinder engine is more stable and quieter.

The ignition cost of two cylinders is low. Two adjacent cylinders are equipped with the same set of ignition coils, and the ECU drive circuit is relatively simple. But if a set of coils is damaged, the two cylinders will not work at the same time, and the engine will basically fail to work. So you need to pay attention to its defects.

Advantages: The engine runs more smoothly, and the sound is also better, just like the sound waves of some people who love four-cylinder cars. Compared with single-cylinder cars, the sound waves are better, the vibration of the engine is also lighter, and the high speed is stronger. It is suitable for cars with larger displacement, and the extreme speed is also faster.

Advantages and disadvantages of the horizontally opposed engine

The advantage of the horizontally opposed engine is that the center of gravity is low, and the disadvantage is that the structure is relatively complicated, which makes oil lubrication and other problems difficult to deal with. When the engine is horizontally opposed, the engine piston is evenly distributed on both sides of the crankshaft and moves left and right in the horizontal direction.

Advantages and disadvantages of horizontally opposed engines. When it comes to horizontally opposed engines, people will think of Porsche and Subaru. At present, only these two car companies insist on using horizontally opposed engines. Porsche only uses the 911 series, while Subaru uses all series.

The biggest advantage of the horizontally opposed engine is the low center of gravity. Because its cylinder is &ldquo flat. It not only lowers the center of gravity of the car, but also makes the front of the car flat and low.These factors can basically improve the driving stability of the car.

What are the advantages and disadvantages of the horizontally opposed engine

1. The advantages of the horizontally opposed engine are: low center of gravity, good safety, and high control limit; the disadvantages are: the structure is relatively complicated, which makes the oil lubricated, etc. The problem is difficult to deal with.

2. The biggest advantage of the horizontally opposed engine is the low center of gravity. Because its cylinder is &ldquo flat. It not only lowers the center of gravity of the car, but also makes the front of the car flat and low. These factors can basically improve the driving stability of the car.

3. The advantage of the horizontally opposed engine is that the center of gravity is low. The disadvantage is that the structure is relatively complicated, which makes oil lubrication and other problems difficult to deal with.When the engine is horizontally opposed, the engine piston is evenly distributed on both sides of the crankshaft and moves left and right in the horizontal direction.

4. The engine can be made very flat, which is conducive to lowering the center of gravity, and the body can also be lower and more in line with the pneumatic shape; theoretically, the horizontally opposed crankshaft is more efficient, and the data of the horizontally opposed with the same displacement engine can be slightly better-looking.

5. Because of the horizontal arrangement of the cylinder, the center of gravity of the engine is low and the operation is smooth, which improves the controllability of the whole vehicle. In addition to the above advantages of the water-skin opposite engine, its disadvantages are also obvious. Because of the influence of gravity, the oil will flow to the bottom of the cylinder, resulting in insufficient lubrication of the upper part of the cylinder and the problem of partial grinding of the cylinder.

Which is better, turbocharging or naturally aspirated

1. To sum up, the naturally aspirated engine is relatively reliable and perfect, while turbocharging has advantages in various performance indicators. At this stage, the two engines are in an equal state, but as a new technology, the technical prospects of turbocharging are better than those of natural intake.

2. Turbocharging and natural intake have their own advantages and disadvantages. Advantages of turbocharged engines: the engine has good power and sufficient fuel consumption. Relatively speaking, the emission of the vehicle engine is more up to standard and more environmentally friendly.

3. Turbocharged engines and naturally aspirated engines have their own advantages. The relevant advantages and disadvantages are as follows. First, the advantages of turbocharged engines are that the vehicle engine has good power, more sufficient internal combustion of the engine, and faster acceleration.