Carburettors

Carburettors

A carburetor is a mechanical device that mixes air and fuel for internal combustion engines in automobiles, motorcycles, and other vehicles. It is responsible for regulating the fuel-to-air ratio, which is crucial for the engine's performance. The carburetor works by drawing air into the engine through a narrow tube, called the venturi, which creates a low-pressure area that pulls fuel from the carburetor's bowl. The fuel is then mixed with the air in the carburetor's main body and sent to the engine's cylinders. The carburetor was a common component of automotive engines until the 1980s when fuel injection systems became more prevalent. However, many older vehicles still use carburetors, and they remain popular among enthusiasts who appreciate their simplicity and ease of maintenance. Carburetors are also used in small engines, such as those found in lawnmowers and chainsaws. One of the most significant advantages of a carburetor is its ability to adjust the fuel-to-air ratio based on the engine's needs. This is accomplished through a series of adjustable screws and jets that control the amount of fuel and air that enters the engine. However, this adjustability can also be a disadvantage, as improper tuning can lead to poor performance and decreased fuel efficiency. In recent years, carburetors have seen a resurgence in popularity among racing enthusiasts, particularly in drag racing and other high-performance applications. This is due to their ability to deliver large amounts of fuel quickly, which is necessary for high horsepower engines.

mechanical device, fuel-to-air ratio, venturi, fuel injection systems, adjustability

— Eric Smith

CITATION : "Eric Smith. 'Carburettors.' Design+Encyclopedia. https://design-encyclopedia.com/define/carburettors?E=368464 (Accessed on October 14, 2026)"