The new MC-21 aircraft is close to completing certification tests. One of the key elements of the aircraft is the import-substituted composite «black» wing, assembled in Ulyanovsk at the facilities of «AeroComposit». A retired special aviation pilot, author of the channel «First things first, airplanes», explained the advantages of the design, as well as the direct impact of materials on the aerodynamic characteristics of the machine.
All modern aviation «stands» on composites
The retired pilot noted that he had seen aircraft of all generations — from heavy transport aircraft to combat vehicles.
And I must say: the «black wing» of the MC-21 is really a step forward. When you see it live, you understand that Russia has learned to do what all modern aviation is based on — composites.
Light as a feather, but stronger than metal
The main advantage of carbon fiber is its weight. They are many times lighter than metal, but at the same time withstand enormous loads. For an airliner, this means one thing — less weight = longer flight and less kerosene. At altitude, every hundred kilograms matters, and in the MC-21, composites make up more than 30% of the structure.
The «black» wing is not just a skin, but a solid power structure, where each carbon fiber tape is laid out with millimeter precision.
The result is an elastic, durable and at the same time «smart» wing that dampens vibrations and provides excellent handling.
How Russia overtook the whole world
Separately, the technology is worth mentioning — VaRTM. Unlike American prepregs, it is cheaper and allows you to manufacture large panels without autoclaves. That is why even Japan Business Press called the Russian method the most economical in the world.
The «black wing» is not just a beautiful metaphor. This is a symbol of a new school of Russian aircraft construction. And as a person who has flown thousands of hours, I will say: if the plane is light, strong and manageable, then the engineers did everything right.
Moving towards increasing volumes
In 2025, the volume of composite materials produced by «Rosatom» for the aviation industry doubled — up to 385 tons, noted Alexander Tyunin, General Director of the Composite Division of the corporation.
The composite allows you to work for 100 years or more, without being exposed to water. Thanks to new materials, significant costs for operational maintenance of composite vessels are reduced.
Earlier www1.ru reported that the legendary Tu-134 will receive an unexpected purpose in the Moscow region.
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