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Of the three types of carburetors used on large, high-performance aircraft engines manufactured in the United States during World War II, the Bendix-Stromberg pressure carburetor was the one most commonly found. The other two carburetor types were manufactured by Chandler Groves (later Holley Carburetor Company) and Chandler Evans Control ...
In SU and other (e.g. Zenith-Stromberg) variable jet carburetors, it was mainly controlled by varying the jet size. The orientation of the carburetor is a design consideration but does not significantly alter the working principles. Older engines used updraft carburetors, where the air enters from below the carburetor and exits through the top.
Quadrajet carburetors have mechanical secondary throttle plates operated by a progressive linkage; the primaries open before the secondaries, and use on-demand air valve plates above the secondary throttle plates. The air valves are connected by a cam and linkage to the secondary fuel metering rods.
Zenith's best-known products were the Zenith-Stromberg carburettors used from 1965–1967 Humber Super Snipe Series Va/Vb, Humber Imperial, 1967–1975 Jaguar E-types, Saab 99s, 90s and early 900s, 1969–1972 Volvo 140s and 164s, 1966–1979 Hillman Minx, Hunter (Arrow), 1966–1970 Singer Gazelle/Vogue (Arrow), 1967–1975 Sunbeam Alpine/Rapier Fastback (Arrow), 1970–1981 Hillman/Chrysler ...
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. Any sloshing within the ...
Autolite 4300A Carburetor. The Autolite 4300 was a four-barrel (four venturi) carburetor manufactured by Autolite in multiple variants from 1967 through 1974. Used by both Ford and AMC, it was produced as an emissions-compliant replacement for the previous Autolite 4100 model, and was superseded by the Motorcraft 4350.