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In the conventional carburetor, a venturi in the airflow creates a lowered pressure and this is enough to encourage the flow of fuel through the metering jets. The flow rate is critically sensitive to the fuel pressure at the jet, i.e. the hydrostatic head owing to the depth of fuel between the jet and the float level.
Carburetors are provided with a float chamber to provide a constant hydrostatic head of fuel above the carburettor's metering jets, thus a constant pressure. The float chamber itself does not vary the pressure according to demand, but it does vary the supply flowrate with demand, to keep this pressure constant.
Carburetor icing also occurs on other applications and various methods have been employed to solve this problem. On inline engines the intake and exhaust manifolds are on the same side of the head. Heat from the exhaust is used to warm the intake manifold and in turn the carburetor.
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President-elect Donald Trump notched a 54% approval rating, one of his all-time highest, compared to about 46% who disapprove of him, an Emerson College poll found.
The Litter-Robot 4 is one of the best self-cleaning litter robots on the market, but it costs a cool $700. We put it to the test to see if it's really worth that high price point.
The direct-injection systems differed from a pressure carburetor in that the fuel is introduced just up stream from the intake valve in the inlet port in each individual cylinder head in the direct fuel injection system, as opposed to the pressure carburetor where the fuel is introduced at the carburetor.
A man living in Southern California has been accused of shipping guns, thousands of rounds of ammunition and other military items to North Korea in shipping containers.
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