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The ABC's of Carburetion


The ABC's of Carburetion


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THE CARBURETOR'S JOB

 

 

 

 

WHY A CARBURETOR?


    As a liquid, gasoline is of little or no use to an engine. Its energy can be released only by combustion, or burning; in order to burn properly it must be in vapor form, properly mixed with air, and delivered to the cylinder of the engine as a combustible mixture, where it is first compressed and then ignited by the spark plug.

 

 

 

WHAT MUST THE CARBURETOR DO?


    It is the carburetor's responsibility to meter, atomize, and distribute the gasoline throughout the air being drawn into the engine. It must do these things properly through a wide range of speed, load, and temperature, in answer to the demands of the driver, who controls the amount of fuel flow by his use of the accelerator.
Since the modern carburetor must do all its duties automatically with changes in conditions, it is bound to be an intricate device and appears very complicated. However, when reduced to basic functions and studied one step at a time, carburetion is more easily understood.

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