Here is the complete guide about SU Carburetor. Here we provides SU Carburetor working principle, types and Advantages ect.
SU carburetor is an example of a constant vacuum type of carburetor. It consists of a single jet in which a tapered needle operates. The area of the throat is varied by means of a piston which slides up and down. The tapered needle is connected to the accelerator.
SU carburetor full form is Skinners Union carburetor. Skinners Union is a carburetor company established in London in 1910. SU carburetor is a constant depression or constant vacuum type of carburetor. It has an automatic variable choke rather than a simple choke.
SU carburetor full form is Skinners Union carburetor. Skinners Union is a carburetor company established in London in 1910. SU carburetor is a constant depression or constant vacuum type of carburetor. It has an automatic variable choke rather than a simple choke. We are going to see the construction and working of SU carburetor which completely different from the choke type carburetor.
SU carburettors were provided in several “throat sizes” in both inch and millimetre measurement. These carburetors are identified by letter prefix which indicates the float type. “H”, “HD”, “HS”, “HIF”, “HV”, “OM” and “KIF”.
“H” types have float bowl with an arm cast into its base. it’s mounted to rock bottom of the carburetor with a hollow bolt. Fuel passes in carburetor body through the arm. “HD” it’s the float bowl with its arm fastening directly below, and concentric with the jet. The arm features a flange that tightened with four screws at rock bottom of carburetor. A sealed rubber diaphragm is integral with the jet. “HS” the most body is roofed with rubber, fuel is supplied by an external pipe to the jet.
“HIF” it’s horizontal Integral Float. “HV”, “OM” and “KIF” types less commonly used.
SU carburetor is another type of modern carburetor that is widely used in Bentley, Austin, Jaguar, Rover, Rolls-Royce, Saab automobiles and Volvo.
The main advantage of SU carburetor is that the rapid response during accelerating. Hence it’s fitted with racing cars and in most of the scooters and motorcycle.
SU Carburetors were widely utilized in automobile vehicles from much of the 20 th century. These also are utilized in aircraft engines including the first versions of the Rolls Royce.