Rancang Bangun Converter Kit Dari Pipa Besi Bekas Untuk Mengubah Mesin Pompa Air Berbahan Bakar Pertalite Menjadi LPG

Pranata, Dadang Wahyu (2023) Rancang Bangun Converter Kit Dari Pipa Besi Bekas Untuk Mengubah Mesin Pompa Air Berbahan Bakar Pertalite Menjadi LPG. Diploma thesis, Politeknik Negeri Jember.

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Abstract

This research converts a Pertalite-fueled water pump to LPG-fueled by replacing the carbulator using a converter kit. The purpose of this conversion is so that water pump users can save costs. To be able to find out the cost difference in the use of LPG and Pertalite water pumps, fuel consumption and water discharge tests were carried out. From the fuel consumption tests that have been carried out, the data obtained on the LPG water pump reaches 0.360 kg / hour, 0.450 kg / hour, and 0.510 kg / hour, while the Pertalite water pump reaches 0.600 l / hour, 0.650 l / hour, and 0.690 l / hour at each rpm variation of 2000, 2500, and 3000 rpm. Based on these data, a comparison of LPG and Pertalite water pumps is carried out at 2500 engine speeds, and data has been obtained to spend 3 kg of LPG for Rp. 20,000 takes 6.66 hours, and to achieve the same time of 6.66 hours it takes 4.35 liters of Pertalite for Rp. 43,500. So the use of LPG water pump machines can save costs up to Rp. 23,500. The results of water discharge testing on LPG and Pertalite water pumps, obtained data on each rpm variation of 2000, 2500, and 3000, LPG water pumps can move water as much as 5.8 l / sec, 8.5 l / sec, and 10 l / sec. Meanwhile, the Pertalite water pump engine can move water as much as 6 l / sec, 9.5 l / sec, and 11.5 l / sec. While the Pertalite water pump engine can move water as much as 6 l / sec, 9.5 l / sec, and 11.5 l / sec. From the water discharge test data, it can be seen that the use of LPG and Pertalite fuel has no effect on the water discharge produced.

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