现在的载人飞行器构造为“旋翼飞行器”（最常见的旋翼飞行器为直升机），此类设计结构飞行器，没有迫降能力，一旦出现问题后果不敢想象。此外“桨叶外露”例如：Volocopter，ehang184，这种设计一旦出现问题，人员无法靠近，其它类型的飞行器也无法靠近。
而相比于“固定翼飞行器”，旋翼飞行器的确具有更好的稳定性，大多数情况下都能进行平稳的飞行，而且很多研发公司也表明，因采用的桨叶较多，其中一个桨叶出现问题，其它桨叶电机将会重新匹配动力源，不会因为一个桨叶损坏停桨而导致飞行器无法飞行（这点和汽车爆胎不一样）。
English version
The current manned aircraft is constructed as a "rotorcraft" (the most common rotorcraft is a helicopter). This type of aircraft is designed to have no ability to withstand the ability to crash. In addition, "blade exposed" such as: Volocopter, ehang184, this design in the event of personnel, people can not get close, other types of aircraft can not get close.
Compared to the "fixed-wing aircraft", the rotorcraft does have better stability, and in most cases can be smooth flight, and many research and development companies also show that because of the use of more blades, one of the blades If there is a problem, the other blade motors will re-match the power source, and the aircraft will not be unable to fly because of a blade damage (this is not the same as a car puncture).
（图/文编译：飞行汽车 http://www.flycar.com.cn/）
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