1. Fish automobiles
In order to overcome the boat tail projecting rearwardly over the car, when the car at high speed generates a strong air vortex action this drawback, it has developed an image of the fish fish-shaped car back. In 1952, General Motors Buick sedan era created a fish-shaped car. If only the shape of the back cars view, fish-shaped Beetle car automobiles and are very similar. However, if careful observation, will find a car back and ground fish the angle is relatively small, the tail is longer, it is more airflow around the vehicle body more smoothly, so the eddy current resistance is relatively small. On the other hand, fish-shaped car is a boat-shaped car evolved, so basically retained the strengths of boat-shaped car. But at the same time there are some fish-shaped car fatal weaknesses: First, because the car’s rear window Fish tilt too much, resulting in an increase in the surface area of the glass one to two times, strength decreased, resulting in structural defects; Second, when the car at high speed car lift large.