Achmad Aminudin, Indah Puspitasari


Converter kits are equipment used to translate fuel oil (CNG) into gas fuel (CNG) in convertible vehicles. The use of a converter kit with CNG liquefied petroleum gas (LPG) will be used to optimize engine performance while driving, but its use is not yet known among the public because it is not affordable and there is no transition from fuel to consumed gas. Therefore, it is necessary to design a simple converter kit, affordable by the community, and can be supported on two different fuels. This study redesigned the manual converter kit with a research focus on aluminum gas mixer components with variations in the number of intake mixers (1, 2, and 3) and added mixing zones in the mixer area, using 110 cc single cylinder motorized engine with carburetor fuel system with a variation of 1500-9000 rpm. Engine performance testing is done using a chassis dynamometer. The use of LPG fuel in various types of input mixers is able to increase torque and power on the engine. Engine performance test data shows that the best torque value on the use of LPG materials in input mixer 1, 2, and 3 holes respectively are 17.44 Nm, 16.77 Nm and 11.71 Nm, while for gasoline fuel is 16 Meanwhile, the value of power in the use of LPG fuel with the input of mixer 1, 2 and 3 holes is capable of producing maximum power respectively 7.1 Hp, 7.4 Hp and 7.3 Hp, while for gasoline fuel at 7.7 Hp. The use of LPG fuel with the number of 1 hole mixer input is the best variation compared to gasoline fuel and the number of mixer inputs in the other variations.

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DOI: https://doi.org/10.31884/jtt.v6i2.192


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