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Automotive Experiences
Published by Universitas Muhammadiyah Magelang
ISSN : 26156202     EISSN : 26156636     DOI : https://doi.org/10.31603/ae
Core Subject : Science, Engineering,
Aerospace Engineering Automotive Engineering Energy Transportation
Automotive Experiences [ISSN: 2615-6636 (online) and 2615-6202 (print)] is a peer-reviewed journal publishing high-quality articles in the field of automotive engineering and technology. Automotive Experiences is published by Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators - AIVE (Read MoU). This is a scientific journal specifically address findings, engineering, and automotive experiences that accredited by the Ministry of Research Technology and Higher Education, the Republic of Indonesia in the ranking of "SINTA 2" and indexed in a major database. We invite lecturers, students, automotive practitioners, and industry researchers to publish their research in Automotive Experiences.
Arjuna Subject : Teknik (semua kategori) - Teknik Otomotif
Articles 40 Documents
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Effect of Cassava Biogasoline on Fuel Consumption and CO Exhaust Emissions Wahyu, Mujahid; Rahmad, Hadi; Gotama, Gabriel Jeremy
Automotive Experiences Vol 2 No 3 (2019)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (892.475 KB) | DOI: 10.31603/ae.v2i3.3004

Abstract

Cassava biogasoline was tested on electronic fuel injection vehicles in urban traffic conditions with varying engine load. Biogasoline tested includes B0, B10, B20, and B30. The engine speed was operated within 750 to 1800 rpm (low-speed range) to simulate urban traffic condition. The engine load was varied through the operation of air conditioner (AC). Fuel consumption was measured in real terms (ml/s) and CO emissions were measured with the Hesbon HG 520 Engine Gas Analyzer (EGA) in the percentage of total exhaust gas. The results showed that B10 has the lowest fuel consumption of 0.24 ml/s in conditions without AC and 0.41 ml/s with AC. Meanwhile, CO emissions tend to be constant with change in the proportion of cassava biogasoline and increased with additional AC load.
Diesel-Biodiesel Blend on Engine Performance: An Experimental Study Arifin, Agus Choirul; Aminudin, Achmad; Putra, Roby Mahendra
Automotive Experiences Vol 2 No 3 (2019)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (891.853 KB) | DOI: 10.31603/ae.v2i3.2995

Abstract

This article discusses engine performance using diesel oil and biodiesel obtained from the reaction of vegetable oils with alcohol through the process of alcoholysis. Tests carried out on variations of diesel oil 100% (B0), 10% biodiesel (B10), 20% biodiesel (B20) and 30% biodiesel (B30). Engine performance testing is carried out at 1500 rpm to 4000 rpm at intervals of 500 rpm. The highest torque is obtained at 2000 rpm using B0, B10 and B20 of 310.3 Nm, 306 Nm and 308.1 Nm, respectively. The highest power is obtained at 3000 rpm using B0, B10 and B20 of 114.7 hp, 115.1 hp and 114.9 hp, respectively. The average fuel consumption with B0, B10 and B20 is 1.42 ml/s, 1.54 m/s, and 1.74 ml/s, respectively. B30 fuel cannot be tested on a vehicle due to detonation so that combustion does not occur completely and B30 fuel properties are incompatible with the vehicle being tested.
Catalytic Transesterification of Used Cooking Oil to Biodiesel: Effect of Oil-Methanol Molar Ratio and Reaction Time Ayu, Diah; Aulyana, Rizca; Astuti, Esti Widya; Kusmiyati, Kusmiyati; Hidayati, Nur
Automotive Experiences Vol 2 No 3 (2019)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (782.198 KB) | DOI: 10.31603/ae.v2i3.2991

Abstract

Used cooking oil has the potential as biodiesel so that it can reduce environmental pollution. Transesterification of triglycerides in used cooking oil with an alcohol to form methyl esters of fatty acids or biodiesel and glycerol. The type of catalyst is one of the determinants of the transesterification reaction and coal fly ash has the potential to be used as a catalyst in the production of biodiesel. Therefore, this study aims to examine the effect of the oil-methanol ratio and the time of the transesterification of used cooking oil to the yield of biodiesel produced using an alkali-activated fly ash catalyst. Transesterification is carried out at 60 °C, the stirring speed is 700 rpm, and the amount of catalyst load is 4%. The result, the highest yield of biodiesel reached almost 89%. This biodiesel consists of 48.86% methyl oleate and 33.86% methyl palmitate and has a density that meets the Indonesian National Standard, which is 0.85 - 0.90 g/cm3. Finally, the BET test on the fly ash catalyst shows a catalyst surface area of ??around 104.106 m2/g.
Trends in Lightweight Automotive Materials for Improving Fuel Efficiency and Reducing Carbon Emissions Refiadi, Gunawan; Aisyah, Iis Siti; Siregar, Januar Parlaungan
Automotive Experiences Vol 2 No 3 (2019)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1553.723 KB) | DOI: 10.31603/ae.v2i3.2984

Abstract

Depletion of fossil fuels and greenhouse gases is an essential issue in the development of the automotive industry. From the design stage, material selection becomes the most crucial factor. Therefore, this article discusses the development of lightweight automotive materials for increasing fuel efficiency and reducing carbon emissions. Material reliability is assessed by how much weight reduction can be achieved, production costs, safety and durability. Ferro materials (mild steel, High Strength Steel, and Advanced High Strength Steel), non-ferrous (aluminium and magnesium alloy), and Fiber Reinforced Plastics (FRP) have been proven to reduce the total weight of vehicles up to 12.6%. Confirmation of statistical data from the literature illustrates the possibility of using lightweight material to achieve zero CO2 emission. In addition, the 12.6% weight reduction still meets the vehicle safety factor.
Design and Application of Electronic Tracking Control Systems (ETCS) to Improve Vehicle Safety Susanto, Roni Muhammad; Nurrochman, Taufik; Munahar, Suroto; Ramadhan, Anwar Ilmar
Automotive Experiences Vol 2 No 3 (2019)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (959.737 KB) | DOI: 10.31603/ae.v2i3.2766

Abstract

Fuel and chemical cargo are essential tools for national security. There is the potential for fire and environmental pollution when occurring an accident such as a collision or overturning. On the other hand, cases of cargo theft are also reported frequently. Currently, preventive efforts are carried out by attaching warnings to the vehicle body with stickers, but it is a passive method. Therefore, this article presents a design and application for monitoring vehicles in real-time with Electronic Tracking Control Systems (ETCS). If the vehicle speed is more than 60 km/hour, ETCS will send an SMS to the vehicle owner about the speed and location of the vehicle being monitored. With ETCS, vehicle accidents and misuse can be minimized by quick monitoring and communication between the owner and the driver.
The Role of Catalysts on Composites Properties: A Case Study on Motorcycle Body Cover Diptaseptian, Kautzar Rizki; Wijianto, Wijianto; Purboputro, Pramuko Ilmu
Automotive Experiences Vol 2 No 2 (2019)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1103.132 KB) | DOI: 10.31603/ae.v2i2.2731

Abstract

Today, modification on motorcycle body cover has become a new automotive business. The main components for modifying the motor body cover are glass fibre, resin and catalyst. Catalysts are substances that can accelerate reactions, the more catalyst composition, the less time it takes to react. Therefore, this study aims to determine the effect of variations in catalysts on composite properties. The test is carried out by giving the catalyst in 4 variations (2.5%, 5%, 10%, and 20%) to 157 BQTN resin. The specimen was tested using ASTM D-256 for impact/hardness, ASTM D-790 for bending, and ASTM D-638 for tensile strength. During this study, we found that the 2.5% catalyst give good results for impact, bending, tensile strength, and also modulus young.
Converting Vehicle to LPG/Vigas: A Simple Calculator to Assess Project Feasibility Widodo, Eko Muh; Rosyidi, Muhammad Imron; Purnomo, Tuessi Ari; Setiyo, Muji
Automotive Experiences Vol 2 No 2 (2019)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1331.965 KB) | DOI: 10.31603/ae.v2i2.2744

Abstract

Salah satu dugaan penyebab lambatnya program konversi dari bensin ke LPG/Vigas adalah ketidakpastian laba atau rugi. Oleh karena itu, artikel ini menyajikan sebuah kalkulator sederhana untuk menghitung kelayakan investasi konversi kendaraan, dari bensin ke LPG/Vigas. Parameter input yang mencakup estimated annual mileage, fuel consumption, gasoline prices, LPG / Vigas prices, the cost of the converter kit and its installation, engine standardization costs, maintenance costs with gasoline, and maintenance costs with LPG dipertimbangkan untuk menghasilkan parameter output yang mencakup Break Even Point (BEP), Payback period (PP), Net Present Value (NPV), and Internal Rate of Return (IRR).
Design and Application of Special Service Tools (SST) for Telescopic Front Fork Susilawati, Susilawati; Buchori, Azhis Sholeh
Automotive Experiences Vol 2 No 2 (2019)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1014.245 KB) | DOI: 10.31603/ae.v2i2.2706

Abstract

Although simple, removing the front fork telescopic (TFF) seal on a motorcycle without special service tools (SST) can cause work accidents for mechanics and loss for consumers and workshops. Therefore, product development research has been carried out to design a seal remover for TFF. Then, a TRL measurement using Techno-meter was done on the prototype that has been developed. A quick measurement by Techno-meter shows that the prototype has reached level 6 (intermediate), where the prototype has been demonstrated/tested in a relevant environment. In conclusion, through continued work (reviewing products, improvising, and testing prototypes on a larger scale), this prototype promises to be mass-produced as downstream of research products to the market.
Has the Electrical Laboratory of Subang State Polytechnic Applied Occupational Safety and Health? Evaluation Report in 2019 Efendi, Adhan; Nugroho, Yohanes Sinung
Automotive Experiences Vol 2 No 2 (2019)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (950.037 KB) | DOI: 10.31603/ae.v2i2.2697

Abstract

Penerapan Keselamatan dan Kesehatan Kerja (K3) sangat penting dalam institusi kejuruan yang memiliki risiko kecelakaan tinggi. Oleh karena itu, penelitian ini bertujuan untuk mengevaluasi penerapan K3 di Laboratorium Listrik Politeknik Negeri Subang menggunakan metode deskriptif kualitatif melalui observasi dan wawancara. Hasil penelitian ini menunjukkan bahwa aspek penerapan standar Alat Pelindung Diri (APD) dan penggunaan standar kerja praktik memiliki skor masing-masing 66,25% dan 62,5%. Sementara itu, penerapan standar fasilitas ruangan dilihat dari empat indikator utama, yaitu furnitur, peralatan, media pendidikan, dan peralatan pendukung diperoleh skor total 91% (kelayakan tinggi). Kesimpulannya, penerapan standar APD dan standar kerja praktik harus dipertimbangkan secara rinci untuk meningkatkan skor K3 keseluruhan.
Uji Cam Modifikasi dan Rocker Arm dengan Roller pada Yamaha 5D9 Wilantara, Bahtiar
Automotive Experiences Vol 2 No 1 (2019)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (847.083 KB) | DOI: 10.31603/ae.v2i1.2641

Abstract

Artikel ini menyajikan pengaruh modifikasi cam dan aplikasi roller rocker arm terhadap torsi, daya, dan emisi gas buang sepeda motor. Pengujian torsi dan daya dilakukan dengan dynamometer tipe Rextor Pro Dyno dan pengujian emisi dilakukan dengan engine gas analyzer tipe Heshbon HG-510. Obyek penelitian adalah sepeda motor Yamaha 5D9. Hasil penelitian menunjukan bahwa penggunaan cam modifikasi dan roller rocker arm berpengaruh pada peningkatan torsi sebesar 0,04 Nm dan daya 3,4 kW. Namun demikian, penggunaan cam modifikasi dan roller rocker arm ini sedikit meningkatkan emisi CO dan HC.  

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