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Jurnal Mekanikasista
Published by PPM Sdirjianbang Akademi Militer
ISSN : 23547308     EISSN : 29635365     DOI : -
Core Subject : Engineering,
Automotive Engineering Control & Systems Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Jurnal Mekanikasista jurnal yang mempublikasikan dan mewadahi hasil penelitian bidang teknik mesin yang berkaitan dengan perkembangan teknologi miiter yang berfokus pada teknik mesin secara umum. Jurnal ini mempublikasi hasil penelitian yang dilakukan civitas Akmil ataupun berkolaborasi dengan institusi di luar Akmil. Penulis dalam jurnal ini terdiri dari Dosen, Praktisi dan Taruna. Semua hasil penelitian yang akan dipublikasi harus melewati proses review oleh reviwer sebagaimana telah di juntuk, tugas dan janggung jawabnya oleh Penangung Jurnal Mekanikasista. Terbit dua Kali dalam setahun pada setiap bulan Nopember dan Mei
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 36 Documents
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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.
PERENCANAAN ULANG RODA GIGI PINION PADA GARDAN BELAKANG KENDARAAN ISUZU OZ Lufti, Aryananta; Santoso, Edy Budi; Nurtjahyono
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.v13i1.389

Abstract

Gears are one of the essential machine elements that function to transmit power and rotation accurately from one shaft to another. In the transmission system of the Isuzu OZ vehicle, the pinion gear plays an important role as the main driver in transferring power from the engine to the rear-wheel drive system. Gears are preferred over other transmission systems due to several advantages, including a more compact system, simple construction, high load-carrying capacity, high power transmission efficiency, and minimal slip occurrence. One of the most commonly used gear types in vehicle transmission systems is the bevel gear, where the pitch surface is conical, with its apex located at the intersection point of the shaft axes. Based on the shape and direction of the teeth, bevel gears are classified into four types: straight bevel, zerol bevel, spiral bevel, and hypoid bevel gears. The hypoid type is a development of the spiral bevel gear, offering higher efficiency and the ability to transmit greater torque in heavy-duty vehicles. Therefore, the selection and design of the pinion gear play a crucial role in improving the efficiency, durability, and overall performance of the Isuzu OZ vehicle transmission system.
PERANCANGAN ULANG SISTEM SUSPENSI SHOCKBREAKER PADA KENDARAAN BIMANTARA NENGGALA Wijanarko, Heri; Sugihandoko; Lufti, Aryananta
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.v13i1.390

Abstract

To support the vehicle’s high operational activity, a redesign of the shock absorber suspension system on the Bimantara Nenggala vehicle is required. The goal is to make the shock absorber stronger and more durable when traversing rough road surfaces. This is because the Bimantara Nenggala vehicle, which is one of the official vehicles used at the Military Academy, has experienced frequent damage to its shock absorbers during use. The redesign was carried out by changing the steel wire diameter from 14 mm to 16 mm. The research results show that by increasing the wire diameter from 14 mm to 16 mm, the solid length of the spring changed from 56 mm to 96 mm. This modification also altered the number of coils from 2.5 to 4.5, and the spring deflection increased from 39.38 mm to 41.48 mm. This design demonstrates that using a 16 mm wire diameter provides better performance compared to a 14 mm wire diameter. Additionally, the resulting deflection and number of coils are improved compared to the original design.
ANALISIS PERBANDINGAN UJI KEAUSAN ANTARA KAMPAS KOPLING KUALITAS 1 DENGAN KUALITAS 2 PADA KENDARAAN SUZUKI KATANA Sukahar; Hafid, Achmad; Suparja
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.v13i1.391

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 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.
OPTIMALISASI PENYETELAN CELAH KATUP TERHADAP TEKANAN KOMPRESI PADA KENDARAAN ISUZU PHANTER Oktosatrio, Suhendro; Sugihandoko; TjandraKusuma, Taufan
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.v13i1.393

Abstract

This study aims to determine the effect of valve clearance adjustment on compression pressure and fuel consumption in the Isuzu Panther Bravo vehicle. The background of this research is based on the frequent inaccuracies in valve clearance adjustments caused by the improper use of measuring tools, such as using paper instead of a proper fuller gauge. Incorrect valve clearance settings can lead to various engine problems. When the valve clearance is too tight, the compression pressure becomes low, the engine overheats easily, fuel consumption increases, engine power decreases, and the engine becomes difficult to start. Conversely, if the valve clearance is too wide, the compression pressure also decreases, engine power is reduced, and a knocking or “ticking” sound appears when the engine is running. The research was conducted using nine different valve clearance settings, both for the intake and exhaust valves, ranging from 0.20 mm to 0.60 mm. Each variation was tested using a compression pressure gauge to measure the resulting pressure for each setting. The test results showed varying but relatively close values, so an average was calculated to determine the most ideal valve clearance. The findings of this study are expected to provide practical guidance in setting the correct valve clearance to achieve optimal compression pressure and maximum fuel efficiency in the Isuzu Panther Bravo engine. Moreover, it emphasizes the importance of using the proper measuring instrument, such as a fuller gauge, to ensure accuracy in valve clearance adjustments. Keywords: valve clearance, compression pressure, engine efficiency, Isuzu Panther , optimization

Page 4 of 4 | Total Record : 36

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