在汽车出现不久，就有人想发明一种既可以在陆地上行驶，又可以在天空中自由往来的“飞行”汽车。这样不但速度快、更拉风而且还没有日常道路拥堵的麻烦。不过尽管汽车到目前已经出现了120多年，飞行汽车仍然普遍不被看好；而且也没有普及。

一个很重要的原因，就是汽车和飞机的运动原理有很大的不同，如果把汽车做的和固定翼飞机或者直升机一样复杂，就需要增加大型旋翼和固定翼等宽度很大，外在重量也很大的额外装置。这样就不能兼顾宽度有限的陆地道路行驶和空中的飞行；而且起降还必须有专门的机场。

这样的装置更像传统的飞机而不是汽车。现在也有人用涡喷或者多旋翼实现飞行汽车，但是这类装置的最大一个问题，就是油耗率极高。假设飞行100公里，那么油耗将比传统的汽车地面行驶100公里油耗多N倍。除了少数人的猎奇，也没有推广的可能。现在看来，在真正突破反重力装置以前。想以汽车的油耗，实现和汽车一样甚至更大的航程。

英文版

English version
Shortly after the advent of automobiles, there was a desire to invent a "flying" car that could travel both on land and freely in the sky. Not only is it fast and windy, but it also has no trouble of daily road congestion. But although automobiles have been around for more than 120 years now, flying cars are still generally undervalued and not popular.

A very important reason is that the principle of motion of automobiles and aircraft is very different. If automobiles are made as complex as fixed-wing aircraft or helicopters, it is necessary to add additional devices with large width and heavy external weight, such as large rotors and fixed wings. In this way, we can not take into account the limited width of land road driving and air flight; and take-off and landing must also have a special airport.

Such devices are more like traditional airplanes than cars. Nowadays, some people use turbojet or multi-rotor to realize flying vehicles, but the biggest problem of such devices is the high fuel consumption rate. Assuming a flight of 100 kilometers, the fuel consumption will be N times higher than that of a conventional vehicle driving 100 kilometers on the ground. Apart from the curiosity of a few people, there is no possibility of promotion. Now, it seems, before really breaking through the anti-gravity device. We want to achieve the same or even bigger voyage as automobiles with the fuel consumption of automobiles.(文编译/飞行汽车  www.feiauto.com)

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