4. lie, also called horizontal opposition. The cylinders are also divided into two groups, but are mounted on the same crankshaft at an angle of 180 degrees. The utility model has the advantages that the height of the engine cabin can be lowered, and the vibration of the machine can be effectively avoided. More common in sports cars, such as Japan's Fuji and Germany's Bao jie.
The 3.W model is actually a combination of two sets of V machines. The structure is extremely complex, but more compact and efficient. Luxury cars are seen in the grading configuration, such as Audi, Volkswagen and so on
2.V type, that is, the cylinder is divided into two groups, alternating installation on the same crankshaft, but two of an angle (more than 90 degrees or 70 degrees). The utility model has the advantages of compact volume and little vibration.
1., the most commonly used is the "straight column horizontal", that is, 4 cylinders or more cylinders lined up on the crankshaft. The utility model has the advantages that the structure is simple, and the 4 cylinder machine is suitable for small cars.
