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Analisis Penggunaan Berat Roller CVT Standart dengan Variasi Terhadap Daya dan Torsi Sepeda Motor Aditya Fajri Putra; Erzeddin Alwi; Hasan Maksum; Muslim
MSI Transaction on Education Vol 6 No 2 (2025): MSI Transaction on Education
Publisher : Minangkabau Scholar Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/mted.v6i2.148

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh variasi berat roller CVT terhadap daya dan torsi pada sepeda motor Honda Vario 160 tahun 2022. Penelitian dilakukan dengan metode eksperimen, mengganti roller standar dengan roller racing dengan berat 15g dan 12g. Pengujian dilakukan menggunakan dynotest untuk mengukur perubahan daya dan torsi. Hasil penelitian menunjukkan bahwa penggunaan roller standar menghasilkan torsi sebesar 11,72 Nm dan daya sebesar 8,95 kW. Dengan roller racing 15g, torsi meningkat menjadi 13,10 Nm dan daya menjadi 9,05 kW. Sedangkan dengan roller racing 12g, torsi yang dihasilkan adalah 13,41 Nm dan daya sebesar 10,11 kW. Pengujian menunjukkan bahwa penggunaan roller 12g memberikan peningkatan torsi sebesar 12% dan daya sebesar 11% dibandingkan roller standar, sementara roller 15g meningkatkan torsi sebesar 11% dan daya sebesar 1%.
Analisis Torsi Dan Daya Honda Vario 150 Dengan Menggunakan Variasi Kampas Kopling Rahmad Hidayat; Muslim; Hendra Dani Saputra; Donny Fernandez
MSI Transaction on Education Vol 6 No 2 (2025): MSI Transaction on Education
Publisher : Minangkabau Scholar Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penelitian ini bertujuan menganalisis pengaruh variasi kampas kopling terhadap daya dan torsi pada sepeda motor matic. Metode penelitian yang digunakan adalah eksperimen dengan perlakuan pada sepeda motor Vario 150. Tiga variasi kampas kopling diuji: standar, merek Daytona, dan merek Proper. Metode penelitian ini adalah eksperimen. Pengujian dilakukan menggunakan dynotest pada berbagai putaran mesin (rpm), dan hasilnya dianalisis secara deskriptif. Hasil penelitian menunjukkan bahwa kampas kopling merek Proper memberikan peningkatan daya sebesar 4,68% dan peningkatan torsi sebesar 6,08% dibanding kampas kopling standar. Sedangkan merk Daytona malah membuat torsi turun -6.08% dan daya turun -5.28%. Kesimpulannya adalah kampas kopling merek Proper memberikan peningkatan daya dan torsi lebih baik dari pada kampas kopling standar dan merek Daytona pada Vario 150cc. Many matic motorcycle users like to replace the standard clutch lining with after market clutch lining to increase the torque and power of the vehicle. This study aims to analyze the effect of clutch lining variations on power and torque on automatic motorcycles. The research method used was an experiment with treatment on a Vario 150 motorcycle. Three variations of clutch lining were tested: standard, Daytona brand, and Proper brand. Tests were conducted using a dynotest at various engine speeds (rpm), and the results were analyzed descriptively. The results showed that the Proper brand clutch lining provided a 4.68% increase in power and a 6.08% increase in torque compared to the standard clutch lining. These findings can serve as a guide for mechanics and automotive enthusiasts in improving the performance of matic motorcycles.
Pengaruh Penerapan Model Discovery Learning Pada Mapel Pemeliharaan Sasis dan Pemindahan Tenaga Kendaraan Ringan kelas XI TKR SMK Negeri 5 Padang Muhammad Rezki Eriyan; Wagino; Martias; Muslim
MSI Transaction on Education Vol 6 No 4 (2025): MSI Transaction on Education
Publisher : Minangkabau Scholar Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46574/mted.v6i4.194

Abstract

Penelitian ini bertujuan menganalisis perbedaan keaktifan dan hasil belajar siswa pada mata pelajaran Pemeliharaan Sasis dan Pemindah Tenaga Kendaraan Ringan di SMK Negeri 5 Padang melalui penerapan model Discovery Learning dan Direct Instruction. Penelitian menggunakan pendekatan kuantitatif dengan desain kuasi-eksperimen pretest-posttest control group. Sampel berjumlah 58 siswa yang dipilih secara purposive, terdiri atas 27 siswa pada kelas eksperimen dan 31 siswa pada kelas kontrol. Hasil belajar diukur menggunakan tes pilihan ganda, sedangkan keaktifan siswa dinilai melalui lembar observasi. Analisis data dilakukan secara deskriptif dan inferensial, dengan uji Mann-Whitney U karena data tidak berdistribusi normal. Rata-rata keaktifan kelas eksperimen mencapai 78,33%, lebih tinggi daripada kelas kontrol sebesar 64,17%. Nilai rata-rata posttest kelas eksperimen juga lebih tinggi, yaitu 85,6 dibandingkan 81,4. Meskipun kedua kelompok memperoleh N-Gain kategori sedang (0,459 dan 0,418), perbedaannya tidak signifikan (Asymp. Sig. = 0,154; p > 0,05). Namun, Discovery Learning menunjukkan kecenderungan meningkatkan keaktifan serta hasil belajar siswa. This study compared student engagement and learning achievement in the Light Vehicle Chassis Maintenance and Power Transmission course at SMK Negeri 5 Padang using Discovery Learning and Direct Instruction. A quantitative quasi-experimental pretest-posttest control-group design was employed. Fifty-eight students participated, including 27 in the experimental group and 31 in the control group. Learning achievement was measured using multiple-choice tests, while engagement was evaluated through classroom observation sheets. Descriptive and inferential statistics were applied. As the data violated the normality assumption, the Mann-Whitney U test was used for hypothesis testing. The experimental group achieved higher engagement (78.33%) than the control group (64.17%) and a higher mean posttest score (85.6 versus 81.4). Both groups demonstrated moderate learning gains, with N-Gain values of 0.459 and 0.418, respectively. However, the difference in achievement was not statistically significant (Asymp. Sig. = 0.154, p > 0.05). Nevertheless, Discovery Learning increased classroom engagement and showed a consistent tendency toward better academic performance overall.
SIFAT MEKANIK, KETAHANAN AUS, DAN KOROSI LAPISAN COLD SPRAY PADUAN LOGAM: SLR Muhammad Khalikul Fadly; Donny Fernandez; Muslim Muslim; Toto Sugiarto
Ensiklopedia Research and Community Service Review Vol 5, No 3 (2026): Vol. 5 No. 3 Juni 2026
Publisher : Ensiklopedia Research and Community Service Review

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33559/err.v5i3.4033

Abstract

Abstract: Cold spray is a rapidly advancing solid-state deposition technology for coating and repairing metal-alloy components, valued for minimizing oxidation and phase transformation compared to conventional thermal spray. This study analyzes research trends on mechanical properties, wear resistance, corrosion, and fatigue/fracture mechanisms of cold-sprayed metal-alloy coatings from 2020-2025 publications, using a Systematic Literature Review (SLR) guided by PRISMA 2020. Literature searching via Publish or Perish on the Scopus database yielded 200 initial records; after title screening and eligibility assessment, 18 articles met the inclusion criteria for synthesis. Results show: (1) research concentrated in 2020 (9 of 18 articles, 50.0%) with consistently high citation impact across the period; (2) research focus was dominated by wear/tribological behavior studies (33.3%), followed by microstructure and process modeling and general application reviews (16.7% each); (3) hard reinforcing phases (WC, TiC, CoCr) consistently improved wear resistance, while residual porosity and inter-particle bonding quality remained dominant factors affecting fatigue, fracture, and corrosion performance. VOSViewer bibliometric analysis revealed close linkage among eight key terms within one coherent thematic cluster. This study concludes that optimizing process parameters to minimize porosity and maximize inter-particle bonding is the most crucial direction for future structural applications of cold spray coatings/repairs on metal alloys.Keywords: Cold Spray; Fatigue And Fracture Mechanism; Wear Resistance; Corrosion; Metal Alloy.
Co-Authors Abdullah, MT, Dr. Rijal Aditya Fajri Putra Ahda, Mukhtarihil Ahmad Arif Aken Derisman Al Ichlas Imran alex sandra zalman Alfansury, Fikhry Ambiyar, Ambiyar Amin Sholat Andrizal Andrizal Andrizal Andrizal Andrizal Annassyifa, Abid Albima Ariefni, Naufal Rafif Arwizet Arwizet, Arwizet Asmar Yulastri Aswardi Aswardi Azwardi Baehaqi Baharudin, Agus Bahrul Amin Bima Rahmat Maulana Citra Dewi Citra Dewi Decoya, Ferres Dedi Setiawan Dedi Setiawan Dedy Irfan Deni Setiadi, Deni Denur Denur Donny Fernandez Donny Fernandez Dori Yuvenda Dwi Sudarno Putra Efrizal, Yondri Erzeddin Alwi Ferres Decoya Gafari, Ariq Farhansyah Al Ganefri Ganefri . Halimahtusakdiah, Halimahtusakdiah Hansi Effendi Harbes, Beni Hasan Maksum Hendra Dani Saputra Hendra Dani Saputra Hermi Zaswita Iffarial Nanda Ikram Irma Yulia Basri Ismi, Riwayatul Juli Sardi Karim, Muhamad Nazmi Khalik Rahmat Hidayah Kuo, Hsu-Chan Lasyatta Syaifullah Lucy Fridayati M Giatman M Nasir M Nasir M. Giatman M. Nasir M. Sadly Firmansyah M. Yasep Setiawan Maiputra, Fikli Restu Martias Martias Martias Martias Martias Masykur Masykur Mhd. Azhari Milana Milana Muhamad Nazmi Karim Muhammad Al Adaby Muhammad Fikri Muhammad Khalikul Fadly Muhammad Rezki Eriyan Muhammad Ridha Fauzi Muskhir, Mukhlidi Nanda, Iffarial Nanda, Iffarial Narti, Deswira Neviyarni Neviyarni Nindito Nizwardi Jalinus Nurhasan Syah Nuzul Hidayat, Nuzul Opi Tananda Ori Kurniawan Purwanto, Wawan Putra, Rido R Chandra Rahmad Hidayat Rahmat Hades, Danmi Rahmat Hidayat Ramadhan, Thoriq Refdinal, Refdinal Regi Valentio Remon Lapisa Ridwan Ridwan Ridwan Rifdarmon Rifdarmon, Rifdarmon Rifdarmon, Rifdarmon Riwayatul Ismi Rizki Fajri Romansyah Nusi Putra Sandhy Rhana Rhandika Simatupang, Wakhinuddin Suci Suci, Suci Sugiarto, Toto Toto Sugiarto Toto Sugiarto Usmeldi Usmeldi Utama, Rizky Indra Varis Dwi Isnanto Wagino WAGINO Wagino Wagino Wakhinuddin Wakhinuddin S Wakhinuddin Wakhinuddin, Wakhinuddin Wanda Afnison Wirdianto, Eri Yanto, Doni Tri Putra Yeni Karneli Yoga Sepriadi Yondri Efrizal Yulia Basri, Irma zalman, alex sandra Zaswita, Hermi Zifa Oktavianza Zikri Zikri Zikri Zikri Zikri, Zikri