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| Carburettor |
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This is a part responsible for producing the mixture of air and fuel into the engine. Its working is based on the Venturi effect. a vacuum that a fluid produces when it accelerates because of a narrowing in the channel it is passing through. The carburettor is made up of a body with a narrow channel where the air passes. a reservoir where petrol is stored at a constant level (controlled by a needle valve and a float). a jet that joins the reservoir to the body and a butterfly valve that is operated by the driver from the accelerator and which regulates the air that enters the cylinder. The air passes through the body of the carburettor and in the narrowest area accelerates creating a vacuum that absorbs petrol from the the main jet. When the petrol reaches the body it is mixed with the air and then enters the cylinder.
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| Carburettor needle |
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A cylindrically shaped piece that has one of its conical ends located in the carburettor reservoir. Its function is to regulate the flow of petrol into the fuel mixture depending on the height of the resevoir that supports it.
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| Carburettor reservoir |
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A small resrvoir on the carburettor is known in this way. it is where the petrol is stored by the chimneys to feeding the engine.
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