What is an Aircraft Fuselage?

Types of Airplane Fuselage

The fuselage of an airplane, is part of the assembly of the wings, the tail, the landing gear and the cabin.

Meaning: Did you know that the term fuselage comes from the French word "fusele" ?, which ... means "in use form".

Many people associate this term with the person in charge of maintaining or storing fuel, however, more broadly, fuselages are characterized by having a long and vertical spindle shape, which holds all the parts of an airplane together.

The fuselage of the plane, we can also call it or identify it as the body of the plane, it is also hollow, to reduce its weight and can be wide or narrow.

Like most other parts of the aircraft, the shape of the fuselage is generally determined by the mission of the aircraft.

What Exactly is the Aircraft Fuselage?

Knowing the plane's fuselage in detail is very important. 

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The fuselage is the large outer layer that comprises the main body of an airplane, it has a hole in which the seats and other related equipment are placed, such as cargo and accessories.

Said in detail:

• On the sides the wings.
• In the front the cabin.
• In the rear the tail.  
• The landing gear at the bottom.

Types of Fuselages

There are several types of fuselages designed and used in airplanes, each one with a different construction and characteristic depending on its components.

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Example:

The Celosia fuselages, They are characterized by using welded metal tubes, which are light, inexpensive and offer a high level of resistance and durability.

The Geodesic Fuselages, which are known for the use of braces to achieve a basket-like construction.

They are designed to resist localized structural damage without jeopardizing the rest of the integrity of the fuselage.

There are also other types of aircraft fuselages that are much more common, such as the monocoque shell and semi-monocoque shell.

La monocoque shell, is a design that is fundamentally based on the resistance of the aircraft shell to carry different loads.

La semi-monocoque shell, has the carcass reinforced by a complete frame of structural members.

These elements help in the construction of a aerodynamic fuselageor, increasing its strength and rigidity for a monocoque design.

Although a typical semi-monocoque airframe can sustain considerable damage, it can still hold together.

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Some Fuselages Materials

Most airplanes have aluminum fuselages; for being a strong, light metal and naturally resistant to rust, although there are some exceptions.

This material used in the fuselages is a versatile and effective option, due to its characteristics.

The aluminum and steel fuselages, They provide more stability and greater protection against the elements.

They also contain various elements in their structural parts such as the steel exterior.

Today, many military and reconnaissance aircraft are made of titanium or carbon composite materials, due to its great advantages.

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Aluminum Fuselages

Aluminum as an aircraft material is always mixed with other metals to make it stronger and lighter.

It is used on the surface of many supersonicSince the heat generated by friction when flying at such speeds causes the resistance of aluminum to decrease.

The Steel Fuselages

Aircraft made of steel are stronger and stiffer, but heavier, this prevents it from qualifying as one of the most popular airframe materials.

However, it is used to build parts of an airplane. Its strength and rigidity is ideal for use in landing gear.

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Titanium Fuselages

Titanium has the same resistance than steel but much lighter.

Titanium and its alloys are ideal materials for building airplanes. These metals also have better corrosion resistance than aluminum and steel.

However, making aircraft made of titanium is very expensive, significantly limiting the wide commercial use of most titanium aircraft.

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Carbon Compound Fuses

Carbon composites such as graphite epoxy or carbon fiber reinforced polymer have become a broad alternative to modern commercial aircraft.  

Carbon composites can be accommodated in a number of ways to meet the demands of maintaining integrity during high-speed flight.  

Carbon fiber materials are almost as strong as aluminum, but half the weight.

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It's important to know …

The fuselage, as we already know, is the outer shell of the body of an airplane, therefore, it is exposed to significant stress, this implies that it must be made with strong and durable materials.

If for some reason the fuselage breaks, the cabin of the plane can lose air pressure, it can create a dangerous environment for both the crew and the passengers.

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When the cabin of the airplane loses pressure, the oxygen levels decrease, in addition to the loss of pressure in the cabin, it can cause the airplane to lose control. However, collisions related to loss of pressure in the cabin are rare or infrequent, but they have occurred.

It is also important to know that aerodynamics primarily determines the size and layout of the various compartments in the fuselages of conventional aircraft.

Only modern, highly specialized aircraft such as the SR-71 Blackbird vary markedly from conventional aircraft with respect to their design and the materials used to build them.

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