What is aircraft?

What Does aircraft Mean

An aircraft is a vehicle that has the ability to move through the air (that is, without being in contact with the surface or with water). Within this group, there are two classes of machines that allow air displacements: aerodynamic machines (whose weight is greater than that of air and, therefore, have to be able to support themselves through some mechanism) and aerostats (with a lower weight that of the air, they float more easily).

The most common aircraft today are aerodynamic vehicles. In this group we can find airplanes and helicopters . As they are heavier than air, these aircraft must be supported. According to the system they use, it is possible to distinguish between fixed-wing aerodynamic type aircraft and rotary-wing aerodynamic aircraft .

It should be emphasized that there are many types of aircraft. To discover them, nothing better than knowing the different classifications that are made in this regard:

-Based on the criterion of what their use is, we find, above all, military aircraft and civil aircraft.

-Within military aircraft, they are, based on their function, from fighters to aircraft carriers through bombers or reconnaissance aircraft.

-In the field of civil services, we can underline the existence, based on the activities they carry out, toilets, passenger transport, merchandise ...
The aerostats, which today lost popularity, were the first aircraft. Its operation is based on the use of one or more tanks with a gas of lower density than air , which allows the aircraft to rise and float. The blimps and balloons are examples of this type of aircraft.
The aforementioned aerostats, which were able to design and fly thanks to a fundamental element, have their origin in the 19th century: they were based on the famous Archimedean principle.
We can say that the airship has the particularity of being the first controlled aircraft that made a long-duration flight and was used, above all, in the first three decades of the 20th century. However, the origin of this device can be found as early as the second half of the 18th century, which is when Jean Pierre Blanchard designed something similar.
The best known model of all time is the one that came to be called Zeppelin. It was "baptized" in July 1900 and was named in honor of the person who most experimented with rigid airships. We are referring to Count Ferdinand von Zeppelin.
During the First World War they played a fundamental role, since they were used by both sides not only to recognize rival troops but also to proceed to use air weapons.
When the aircraft can move outside the Earth's atmosphere, it is called a spacecraft . These vehicles consist of a rocket (with fuel and engines that allow leave behind the atmosphere of the Earth ) and the ship itself (which may be manned or not).

The choice of the type of aircraft depends on the trip to be made. To get a panoramic view of a place, you can use a hot air balloon. If a person wants to travel from one continent to another, he will travel by plane. When a government intends to investigate another planet, it will send a spaceship.

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