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All Journal Jurnal Konseling dan Pendidikan IPTEK The Journal for Technology and Science VANOS Journal of Mechanical Engineering Education INVOTEK: Jurnal Inovasi Vokasional dan Teknologi JRTI (Jurnal Riset Tindakan Indonesia) Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering PAKAR Pendidikan Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat Teknomekanik Community Empowerment JPTE: Jurnal Pendidikan Teknik Elektro MSI Transaction on Education AEEJ : Journal of Automotive Engineering and Vocational Education Automotive Experiences JTPVI: Jurnal Teknologi dan Pendidikan Vokasi Indonesia
M. Yasep Setiawan
Universitas Negeri Padang
Aerospace Engineering Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Public Health Social Sciences Transportation Other

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A Scientific Investigation into the Impact of CVT Roller Weight on Fuel Efficiency and Engine Performance in Motorcycles Setiawan, M. Yasep; Hidayat, Nuzul; Purwanto, Wawan; Putra, Dwi Sudarno; Arif, Ahmad; Fernandez, Donny; Susanto, Edy; Baharudin, Agus
MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Vol 7 No 2 (2025): Motivection : Journal of Mechanical, Electrical and Industrial Engineering
Publisher : Indonesian Mechanical Electrical and Industrial Research Society (IMEIRS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/motivection.v7i2.343

Abstract

This research investigates the impact of Continuously Variable Transmission (CVT) roller weight on fuel consumption and engine performance in motorcycles. The study involved experimental testing of motorcycles fitted with rollers of varying weights (9 grams and 12 grams) to evaluate their effects on fuel consumption, and overall engine performance. This study concludes that the choice of CVT roller weight significantly affects both fuel consumption and engine performance, with potential implications for optimizing motorcycle efficiency based on user preferences and riding conditions. This study found that the 9-gram roller produced greater torque and power (7.85 Nm at 3,500 RPM, 8.45 hp at 6,500 RPM) than the 12-gram roller, but its fuel consumption was higher at low RPM (SFC 0.07 kg/hp.h at 1,500 RPM).
Aerodynamic Approach to Two-Passenger City Car Design: A Study of Square Back and Compact Shapes Putra, Randi Purnama; Yuvenda, Dori; Lapisa, Remon; Afnison, Wanda; Milana, Milana; Setiawan, M. Yasep; Arif, Ahmad; Harmanto, Dani
Automotive Experiences Vol 8 No 2 (2025)
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 | DOI: 10.31603/ae.13686

Abstract

The development of lightweight electric cars for urban mobility requires efficient aerodynamic design without sacrificing space efficiency. This study presents a novel method by investigating the combination of a two-seater city car's compact dimensions and square back shape, which has not been extensively researched for low- to medium-velocity vehicles. This study's objective is to assess the design's aerodynamic performance using numerical simulations using the Computational Fluid Dynamics (CFD) approach. The vehicle model is designed with a compact body and square back, which is commonly used in small vehicles with high maneuverability requirements. The simulations are conducted at three different air velocity levels: 10, 20, and 30 m/s. The results of the study showed an increase in the value of the drag coefficient (Cd) along with an increase in flow velocity. At a velocity of 10 m/s, the Cd value was recorded at 0.4536. When the velocity increased to 20 m/s, the drag coefficient increased slightly to 0.4563. Further increases in velocity to 30 m/s resulted in a Cd value of 0.4581. This Cd value shows the consistency of aerodynamic performance with increasing velocity, with fluctuations that remain within the efficiency limits of lightweight vehicles. The pressure distribution contour shows high-pressure accumulation at the front and low pressure at the rear of the vehicle, which generates large turbulent wakes in the rear area and contributes to increased drag. These findings indicate that the square rear body design faces significant aerodynamic challenges. Therefore, design strategies such as adding a rear spoiler, using a rear diffuser, and optimizing the rear body angle are suggested as potential solutions to improve flow efficiency.
Pelatihan Perawatan Berkala Pada Sepaeda Motor Bagi Pemuda Putus Sekolah dI Karang Taruna Kota Padang Hidayat, Nuzul; Setiawan, M Yasep
Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat Vol 21, No 3 (2021): Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/sb.01660

Abstract

Karang   Taruna   (KT)   adalah   organisasi   sosial   wadah   pengembangan generasimuda  yang  tumbuh  dan  berkembang  atas  dasar  kesadaran  dan  tanggung jawab sosial dari, oleh, dan untuk masyarakat  yang   berorientasi   pada   peningkatan kesejahteraan sosial. Berdasarkan dengan surat Pengurus Karang Taruna Kota Padang Nomor: 010/KT.PDG. II/ 2021 tentang Permohonan Bantuan Program Pemberdayaan Pemuda di Kota Padang melalui LP2M UNP maka dalam hal ini Tim PKM UNP melihat peluang dapat membantu Karang Taruna sebagai mitra yaitu dalam pengembangan soft skill dan hard skill yang memiliki nilai ekonomi dan nilai peningkatan kemampuan personal dari pemuda-pemudi yaitu pelatihan service kendaraan bermotor. Kegiatan ini bisa menjadi salah satu solusi dari permasalahan yang dihadapi oleh Karang Taruna kota Padang. Jika para pemuda dilatih soft skill dan hard skill dalam service kendaraan bermotor maka para pemuda-pemudi akan mandiri dan dapat dilanjutkan ketaraf wirausaha. Dalam kegiatan ini yang akan difokuskan adalah pada service kendaran  bermotor jenis sepeda motor, peserta adalah para pemuda-pemudi yang telah dipilih oleh Karang Taruna. Para peserta akan di beri pelatihan secara teori dan praktek dengan presentase 30% teori dan 70% praktek. Setelah kegiatan terlihat ada peningkatan kemampuan dari para peserta dari pemahaman tentang sepeda motor.
Pelatihan Service Sepeda Motor Electronic fuel injection bagi Pemuda Putus Sekolah di Nagari Batu Basa Kec. Pariangan kab. Tanah Datar Setiawan, M. Yasep; Arif, Ahmad; Martias, Martias; Milana, Milana; Hidayat, Nuzul
Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat Vol 21, No 1 (2021): Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/sb.01130

Abstract

Kegiatan ini bertujuan untuk mengembangkan serta mengaplikasikan pengetahuan dan keterampilan kepada pemuda putus sekolah tentang perawatan dan servis sepeda motor electronic fuel injection di Nagari Batu Basa Kecamatan Pariangan Kabupaten Tanah Datar sesuai dengan standard operational procedure. Untuk mendapatkan data awal dan akhir sebagai data pembanding, peneliti menggunakan pre-test dan post-test. Metode yang diterapkan dalam proses kegiatan pelatihan menggunakan metode luring dan daring berupa ceramah, tanya jawab, diskusi, video demonstrasi dan aplikasi. kegiatan ini dikikuti sebanyak 10 peserta dan rata-rata seluruh peserta antusias dengan penuh disiplin untuk mengikuti pelatihan. Hasil yang sudah ditemukan setelah melalui pelatihan ini adalah meningkatnya pengetahuan dan keterampilan pemuda putus sekolah yang berkenaan dengan penguasaan perawatan dan servis sepeda motor electronic fuel injection dan diharapkan bisa diaplikasikan ke dunia kerja. Kegiatan pelatihan ini telah membuat masyarakat khususnya tuna karya merasa terbantu dengan mendapatkan pengetahuan dan keterampilan secara gratis.
Kontribusi Mata Pelajaran Produk Kreatif Kewirausahaan Terhadap Minat Berwirausaha Siswa di SMKN 2 Payakumbuh Hidayat, Rahmat; Hidayat, Nuzul; Wakhinuddin; Setiawan, M. Yasep
MSI Transaction on Education Vol 5 No 1 (2024): MSI Transaction on Education
Publisher : Minangkabau Scholar Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/mted.v5i1.126

Abstract

Penelitian bertujuan mengetahui minat berwirausaha siswa kelas XII teknik otomotif SMKN 2 Payakumbuh dari kontribusi mata pelajaran PKK, Metode penelitian menggunakan metode kuantitatif yang bersifat korelasional untuk menyelidiki populasi atau sampel tertentu, dalam hal ini, 56 dari 126 siswa dalam populasi berfungsi sebagai sampel penelitian, Siswa kelas XII jurusan teknik otomotif menjadi fokus penelitian ini. Analisis data menggunakan aplikasi SPSS. Temuan menunjukkan bahwa pendidikan PKK sangat mempengaruhi minat berwirausaha dengan nilai korelasi 0,311 dengan tingkat hubungan rendah, dapat dilihat pada hasil nilai signifikansi sebesar 0,000 < 0,05, serta dilihat pada uji koefisien determinasi koefisien korelasi (R) sebesar 0,138 artinya antar variabel memiliki hubungan yang. The research aims to determine the entrepreneurial interest of class XII automotive engineering students of SMKN 2 Payakumbuh from the contribution of PKK subjects, The research method uses quantitative methods that are correlational in nature to investigate certain populations or samples, in this case, 56 out of 126 students in the population serve as research samples, class XII students majoring in automotive engineering are the focus of this research. Data analysis using SPSS application. The findings show that PKK education strongly influences entrepreneurial interest with a correlation value of 0.311 with a low level of relationship, it can be seen in the results of a significance value of 0.000 <0.05, and seen in the test of the coefficient of determination of the correlation coefficient (R) of 0.138, meaning that between variables have a relationship.
Enhancing adolescent well-being in the digital age: exploring the interplay of parental and peer relationships with gender as a moderating variabel Aulia, Farah; Utami, Rahayu Hardianti; Magistarina, Elrisfa; Kurniawan, Rizal; Setiawan, M. Yasep; Ade, Frihapma Semita; Purna, Rozi Sastra; Hasanah, Afifah Nur; Khasanah, Andhita Nurul
Jurnal Konseling dan Pendidikan Vol. 13 No. 1 (2025): JKP
Publisher : Indonesian Institute for Counseling, Education and Therapy (IICET)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/1124200

Abstract

The internet has become essential to people of all ages, particularly teenagers, to access information, education, and entertainment. Studying adolescents' well-being has become a hot topic lately, with digital technology and the internet as part of everyday life. The purpose of this study is to examine the role of gender in moderating the relationship between parental and peer relationships with adolescent well-being. Participants in this study were 749 internet user adolescents from various regions in Indonesia, who were selected using convenient sampling techniques. Data was collected online using the EPOCH measure for adolescent well-being, parent-adolescent relationship scales, and friendship quality scales. The results of the hierarchical linear modelling indicate that there is a positive correlation between parent and peer relationships, and adolescent well-being. The findings indicate that the relationship between the two variables is more pronounced among the male population than the female population.
Design of a Drying Equipment Moringa Leaf with Utilizing Temperature Air Conditioning Condenser Masykur, Masykur; Saputra, Maidi; Munawir, Al; Pribadyo, Pribadyo; Jalil, Muhammad; Muzakir, Muzakir; Yuvenda, Dori; Setiawan, M. Yasep; Y, Fadhil
invotek Vol 23 No 2 (2023): INVOTEK: Jurnal Inovasi Vokasional dan Teknologi
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/invotek.v23i2.1120

Abstract

This study conducted to get drying equipment a moringa leaf using air temperature from an air conditioning condenser. The first steps taken were collecting research literature, formulating problems, and design a drying equipment moringa leaf (moringa oleifera) using air temperature from an air conditioning condenser. Drying equipment tool made from plywood, wood, aluminum foil, styrofoam, and pipe channel to drying equipment. It works by utilizing air from the air conditioning condenser which is channeled through a pipe channel to drying equipment. The test was carried with modification intake channel to drying equipment without suction fan and using suction fan. Data collection is carried out every 30 minutes for 7 hours which starting from 10.00 AM to 05.00 PM. A sample of 800 grams of wet moringa leaf was placed on each drying rack. The result study without suction fan in the drying equipment show average temperature air from the condenser of 31.17 °C, average humidity of 68.8%, and a reduction in water content of moringa leaf of 35.5%. Meanwhile, the test using an air suction fan in the drying equipment was average temperature air from the condenser 34.10 °C, average humidity was 62.30% and the reduction in water content of moringa leaf was 40.8%. The drying rate of moringa leaf in the test using an exhaust fan is 0.0138 kg/hour, while the drying rate of moringa leaf in the test without using an exhaust fan is 0.01 kg/hour.
Co-Authors Abratiguin, Joel O. Ade, Frihapma Semita Afriliardi, Rio Ahmad Arif Ahmad Arif Al Munawir Alamsah Alfiza Candra Andhita Nurul Khasanah Andre Kurniawan Andrizal Andrizal Andrizal Ari Aryadi Asmar Yulastri asrul, asrullah Baehaqi Baharudin, Agus Bahrul Amin Budi Syahri Budi Utomo Wisesa Bulkia Rahim Dandi Bakti Dani Saputra, Hendra Dedi Setiawan Dedy Irfan Donny Fernandez Dori Yuvenda Dwi Sudarno Putra edy susanto Ernawati Ernawati Erzeddin Alwi Fadhli Ranuharja Farah Aulia, Farah Faris Afif Fauzil, Achmat Fauzil Ganefri . Handika, Rival Handini Novita Sari Harmanto, Dani Hasan Maksum Hasanah, Afifah Nur Hendra Dani Saputra Herlando Herman Safar Ichsan Nasution Irma Yulia Basri Irvan Rizky Arya Ismi, Riwayatul Jalil, Muhammad Jheri Hermanto Juli Sardi Kelana, Ananda Jaka Kevin Lisson Putra M Nasir M Nasir M. Sadly Firmansyah Maidi Saputra Martias Martias Martias Martias Martias Martias Masykur Masykur Masykur, Masykur Maulana Ilyas, Taufiq Maulana, Fauzan Milana Milana Miswardi Muhammad Farid Reza Frinison Muhammad Mukhbit Nurdin Muhammad Ridwan Muliady, Rabby Muslikhin Muslim Muslim Muslim Muslim Muzakir Nasution, Ichsan Nizwardi Jalinus Nuzul Hidayat, Nuzul Oktaviani, Ranti Osvaldo Adven Kurniawan Pahlevi, Reza Trio Patrisina, Reinny Pratama Saputra, Agung Pribadyo, Pribadyo Purwanto, Wawan Putra, Randi Purnama Rahmat Hidayat Ramadhan, Miftahuddin Ramadhani, Gustia Refdinal, Refdinal Remon Lapisa Ridho Wahyudi Rifdarmon Rizal Kurniawan Rozi Sastra Purna Sahid, Restu Saputra, Riko Sugiarto, Toto Sulharman Sulharman Suliono Suliono Taufiq, Ilham Toto Sugiarto Utami, Rahayu Hardianti Wagino WAGINO Wahyu Afrizal Wakhinuddin Wakhinuddin S Wanda Afnison Y, Fadhil Yanda Septian Putra Yanto, Doni Tri Putra Yoga Guntur Sampurno Yuke Permata Lisna Zames, Fajri Pratama