float-type carburetor

float-type carburetor

float-type carburetor
A type of carburetor used in reciprocating engines. In this carburetor, the fuelmetering force is produced by a float-operated needle valve that keeps the fuel level a constant distance below the edge of the discharge nozzle.
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There are three basic types of fuel metering systems used in piston aircraft engines: the float-type carburetor, the pressure carburetor and fuel injection.
When you place a float-type carburetor next to a pressure-type carburetor, you notice the fuel jet on the float-type carburetor is ahead of, or below, the throttle butterfly.
In the pressure carburetor, the jets squirt fuel farther downstream in the throttle body, away from the venturi, where the refrigeration in the float-type carburetor takes place.
More on them in a moment; first, let's look at the float-type carburetor and icing:
All of the engines are single, slant cylinder OHC configurations with cast aluminum blocks, float-type carburetors and mechanical governors.