Carburetors

The carburetor is the part of an automobilecarburetors are found more in Europe.
engine that converts liquid fuel into vapor. This isCarburetors are also classified as fixed choke and
mixed with a certain amount of air that allowsconstant depression or variable choke. The
combustion in the cylinders. All gasoline vehiclesvariable choke carburetors are generally used in
have carburetors, including boats and light aircraft.the UK because they are simple in adjustment
Carburetors are generally found in small enginesand maintenance. Carburetor's efficiency depends
and in older automobiles, especially those used inon its capacity to provide the right mixture of fuel
stock car racing. Most engines have only oneand air under each circumstance of engine
carburetor though most modern engines thatoperation. The different engine conditions are cold
have bigger engines or more than 4 cylinders usestart, idling or slow running, acceleration, high
multiple carburetors.speed/high power at full throttle and cruising at
The history of carburetors can be traced to thepart throttle (light load).
development of the wick carburetor by DonatThe main parts in a carburetor are an open pipe,
Banki, a Hungarian engineer in 1893. Frederick andwhich is the carburetor's "barrel" or "throat"
his brother built the first petrol driven car in 1896.through which the air reaches the engine. The
Then in 1900, they built a 2-cylinder engine usingbutterfly valve or the "throttle", a rotating disc in
the new wick carburetor. This car was taken on athis pipe, controls the air flow through the
successful 1000-mile tour, marking an importantcarburetor throat, which influences the power and
landmark in the use of the carburetor inspeed of the engine. This throttle is connected to
automobiles.the accelerator of the vehicle. The major
There are two kinds of carburetors, downdraftmanufacturers of carburetors are Amal Ltd.,
carburetors, wherein the flow of air isAutolite, Carter, Holley, Pierburg, Rochester, Solex,
downwards; and side-draft, wherein the flow ofStromberg, SU, Walbro and Tillotson (small
air is sideways. Most automobiles in the U.S. useengines), Briggs and Stratton, Villiers, Weber, and
downdraft carburetors while side draftZenith.