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All Journal NOTARIUS JIPTEK : Jurnal Ilmiah Pendidikan Teknik dan Kejuruan Jurnal Nagara Bhakti: Jurnal Pengabdian Kepada Masyarakat Jurnal Mekanikasista
Budi Harjanto
Universitas Sebelas Maret Surakarta
Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Public Health Social Sciences Transportation Other

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ANALISIS PERBANDINGAN UJI KEAUSAN ANTARA KAMPAS KOPLING KUALITAS 1 DENGAN KUALITAS 2 PADA KENDARAAN SUZUKI KATANA Aryananta Lufti; Harjanto, Budi; Silitonga, Frangky
JURNAL MEKANIKASISTA Vol. 12 No. 2 (2025): MEI 2025
Publisher : PPM Sdirjianbang Akademi Militer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63824/jtmp.v12i2.310

Abstract

To support high mobility and varied terrain, vehicles must have optimal engine performance, especially in the clutch system, which is prone to slipping due to clutch lining wear, increasing the risk of accidents. This study analyzes the wear level of Suzuki Katana clutch linings by comparing KW 1 and KW 2 through hardness, wear, and carbon content tests. The results indicate that KW 1 has a hardness of 251.34 kg/mm², higher than KW 2, which is only 67.82 kg/mm². The wear value of KW 1 is 0.003×10⁻⁴ mm³/kg.m, lower than KW 2 at 0.0086×10⁻³ mm³/kg.m. The carbon content in KW 1 reaches 44.0739%, higher than KW 2 at 32.3462%. These findings show that the higher the hardness of the clutch lining, the lower its wear rate, making KW 1 a better choice as it is more durable and resistant to wear.
ANALISIS PENGARUH KEGUNAAN RING DIESEL PADA SALURAN BAHAN BAKAR SOLAR TERHADAP DAYA MESIN DIESEL Harjanto, Budi; Wijanarko, Heri; Sukahar
JURNAL MEKANIKASISTA Vol. 13 No. 1 (2025): NOVEMBER 2025
Publisher : PPM Sdirjianbang Akademi Militer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63824/jtmp.v13i1.388

Abstract

This study discusses the influence of an additional device installed on vehicles called the Diesel Ring. Based on existing facts, the performance of diesel engines today is still often questioned, especially in terms of power output. As we know, people currently demand greater power from diesel engines to achieve optimal results. This growing demand has led to the rise of many aftermarket devices on the market that claim to increase the power of diesel engines. Therefore, the Diesel Ring was selected as an alternative solution to address this issue, as it offers several advantages, such as the ability to enhance engine power. In addition, the diesel engine was chosen over the gasoline engine because diesel engines have several superior characteristics, including higher efficiency and longer engine lifespan. Based on the research results, it can be concluded that the installation of the Diesel Ring can improve the power output of a diesel engine, both at low and high engine speeds.
ANALISIS PERBANDINGAN PENGGUNAAN BAHAN BAKAR GASOHOL BE-20 DAN BENSIN JENIS PERTAMAX TERHADAP PRESTASI MESIN KENDARAAN KIJANG 7K Harjanto, Budi; Lufti, Aryananta; Silitonga, Frangky
JURNAL MEKANIKASISTA Vol. 13 No. 1 (2025): NOVEMBER 2025
Publisher : PPM Sdirjianbang Akademi Militer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63824/jtmp.v13i1.392

Abstract

This research was conducted to determine the performance of an engine using a gasoline–ethanol fuel blend produced by the Enduro XL engine. To evaluate engine performance, calculations were carried out on effective power, fuel consumption, specific fuel consumption, and mass flow rate. In addition, theoretical mass flow rate, air–fuel ratio, volumetric efficiency, and thermal efficiency were also examined. The experiment was carried out under five variations of engine speed with a constant load, using only one type of fuel, namely Pertamax (gasoline) blended with 20% ethanol. The test results showed that the average power produced by the blended fuel was greater than that of pure gasoline. Fuel consumption increased with higher engine speed because the octane number of the gasoline–ethanol blend was higher than that of pure gasoline, making it more easily combustible. However, the higher the ethanol content in the fuel blend, the lower the air–fuel ratio, resulting in less complete combustion in the combustion chamber. The thermal efficiency of the blended fuel was generally lower than that of pure Pertamax, except for the 20% ethanol blend. Therefore, engine performance using Pertamax fuel was higher than that using BE-20 gasohol. However, fuel consumption for Pertamax was greater compared to BE-20 gasohol.
Co-Authors Aryananta Lufti Frangky Silitonga Heri Wijanarko Irma Cahyaningtyas, Irma Lufti, Aryananta Lumintang, D.Ricky Perdana Sutrisno, Valiant Lukad Pratama, Dadang Sukahar Sukahar, Sukahar Sukirno Sukirno Suparyana