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The air engine, an innovation from the 1920s by Ferdinand Porsche, revolutionized the automotive industry. Used in the iconic Beetle, it depended on air for cooling. Despite its limitations, such as heating at rest, it marked an era and is still remembered by enthusiasts.
On a dive through history automotive, we highlight an innovation that left its mark: the air engine, also called Air Cooled. Designed by Ferdinand Porsche at the end of the 1920s, at the request of the German government, this visionary system had as its central purpose the creation of more affordable cars, such as the Beetle.
The Beetle and the air engine: A duo that changed the course of automotive history
In the historical context of the Second World War, the German government used the air engine to equip one of the most iconic and globally recognized cars, the Beetle.
Air Cooled not only powered vehicles during critical moments in history, but also stood out for its technical ingenuity.
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This type of engine, unlike conventional engines, depends on atmospheric air flow to dissipate the heat generated during operation.
Atmospheric air is absorbed and compressed by the engine's first piston, directed to the spherical chamber and injected at high pressure into the cylinders.
This process, in turn, moves the piston and releases energy to propel the vehicle.
Challenges and Limitations: Understanding the Disadvantages of Air Cooled
Although it is a cheaper and simpler solution, the air engine has its disadvantages.
Notably, it does not cool the system when the car is stopped, and its parts tend to expand more quickly under high temperatures, accelerating wear.
This feature is a point of attention for enthusiasts and owners of vehicles equipped with this technology.
It is interesting to note that, at its peak, the air engine captured a significant portion of the automotive market.
However, with the advancement of technologies and the search for more efficient and sustainable solutions, this technology is gradually no longer manufactured.
However, we can see that, despite its disadvantages, the air engine played a crucial role in the evolution of automobiles.
Its legacy lives on in the classic vehicles that still drive the streets and in the memories of those who appreciate the technical ingenuity behind this innovation.
In an ever-changing automotive world, it's always fascinating to revisit past technologies that shaped the industry.
The air engine, with its peculiarities and unique contributions, remains an intriguing chapter in the history of automobiles.
Source: CanalTech
