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All Journal Jurnal Pengabdian West Science Jurnal Inovasi Mesin WAVE: Jurnal Ilmiah Teknologi Maritim
Rizqi Fitri Naryanto
Department Of Mechanical Engineering, Universitas Negeri Semarang, Indonesia
Humanities Control & Systems Engineering Decision Sciences, Operations Research & Management Education Energy Engineering Mechanical Engineering Public Health Social Sciences Transportation

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Ramadhanan Bareng Teknik Mesin (RBTM) 2024: Cara Mahasiswa Teknik Mesin UNNES dalam Mengisi Kegiatan di Bulan Ramadhan Ranu Iskandar; Rizqi Fitri Naryanto; Rahmat Doni Widodo; Kriswanto; Abdillah Habib Al Misbah; M. Abiyyu Hafizh Harahap; Muhammad Raihan Firmansyah; Eka Amirudin; Eliza Laura Panjaitan; Ilham Falah Hamdi; Mahardika Setya Dharma; Herdin Bergas Farras; Muhammad Dwi Saputra; Muhammad Rizal Saputra; Muhammad Saddam Mahasurya; Muhammad Ryo Suhartian; Muhammad Akmal Maulana; Muhammad Zia Ulhakim; Alya Widya Natasya; Ibnu Alfarizy; Cahyo Adin Nugroho
Jurnal Pengabdian West Science Vol 3 No 05 (2024): Jurnal Pengabdian West Science
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/jpws.v3i05.1138

Abstract

Bulan Ramadhan merupakan bulan suci umat Islam dimana banyak pahala yang dilipatgandakan jika kita berbagi kepada sesama yang membutuhkan kepedulian dan perhatian. Mahasiswa yang tergabung dalam HIMPRO TM FT UNNES mengadakan Ramadhanan Bareng Teknik Mesin (RBTM) 2024. Tujuan kegiatan pengabdian ini adalah untuk mengisi kegiatan mahasiswa Departemen Teknik Mesin, Fakultas Teknik, Universitas Negeri Semarang di bulan Ramadhan. Tahapan pengabdian yang dilakukan yaitu: (1) Persiapan, (2) Pelaksanaan, (3) Evaluasi, dan (4) Pelaporan. Hasil kegiatan pengabdian menunjukan bahwa: (1) jumlah anak-anak yang mengikuti kegiatan berjumlah orang, (2) 100% anak-anak Panti Asuhan Al Qodri dan penerima takjil di Simpang 7 UNNES merasa kegiatan ini bermanfaat. Saran untuk RBTM kedepannya yaitu lebih banyak mencari sponsor, cek berkala seluruh peralatan yang akan digunakan di hari H, lebih disiapin lagi buat acara hari H, cari tempat konsumsi yang tertutup/ kondusif, lebih perhatikan lagi dalam pemasangan backdrop.
Analyzing The Total Resistance and Wave Pattern of Modification Hull Form Design Catamaran Fishing Vessel Rizqi Fitri Naryanto; Muhammad Yusuf Wibowo; Aldias Bahatmaka; Muhammad Hafiz Izzuddin; Lanang Puspa Buana; Rafif Dimas Pratama; Fiqri Fadillah Fahmi; Andi Abdullah Ghyferi
WAVE: Jurnal Ilmiah Teknologi Maritim Vol. 18 No. 2 (2024)
Publisher : National Research and Innovation Agency (BRIN Publishing)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/wave.2024.2165

Abstract

Indonesia is located between the Pacific Ocean and the Indian Ocean. In addition, Indonesia is a maritime country, with data stating that Indonesia’s sea proportion is 64.97% of the total territory of Indonesia. Diverse marine resources exist in Indonesia, and the country produces 8.02 million tons of fish annually. In Indonesia, the traditional fishing vessel serves as both a mode of transportation and an element of livelihood. It was built using techniques passed down from generation to generation. Therefore, it is necessary to investigate the fishing vessels in order to determine their resistance profile and wave pattern. This analysis is done to take the catamaran-hull fishing vessel design into reference. The performance of ship design can be quickly predicted using a computational approach. The Slender Body approach and Savitsky's mathematical model are used to investigate the resistance analysis. The primary method used to describe the efficacy of the methodology is study comparison. This research will discuss the three variations of the fishing vessel design.
The Effect of Additional Holes and Knurling on Outer Comp Clutch CVT on Torque and Power of Honda Scoopy K93 Firdaus Audtiya; Rizqi Fitri Naryanto; Abdurrahman; Hanif Hidayat
Jurnal Inovasi Mesin Vol. 8 No. 1 (2026): APRIL 2026
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jim.v8i1.28668

Abstract

Automatic motorbikes that have been used for more than five years tend to experience a decrease in responsiveness when starting due to wear on the CVT components, one way to improve the performance of automatic motorcycles are to optimize the power distribution from the engine to the wheels. This can be achieved through modifications to the CVT system, so that the power distribution process becomes more efficient and responsive, modifications are made to improve vehicle performance while reducing the impact of decline performance due to increasing age of use, which also has an impact on decreasing CVT performance. On the system CVT, the centrifugal clutch mechanism on the secondary pulley plays a role in connecting and disconnecting rotation from the secondary pulley to the wheel. The component that plays a role in receiving rotation from the clutch carrier is the outer comp clutch, one of the main causes of this problem is the presence of residual dust from the double clutch lining that is trapped inside the outer clutch, which causes slippage and disrupts clutch function. Modification by adding holes and knurling on the surface of the outer comp clutch friction plane is expected to overcome the problem of excessive vibration and slippage, as well as optimizing the performance of the CVT on automatic motorcycles, so that the torque and power produced can increase. The types of knurling applied to the outer comp clutch include straight, diagonal, and diamond knurling
Co-Authors Abdillah Habib Al Misbah Abdurrahman Aldias Bahatmaka Alya Widya Natasya Andi Abdullah Ghyferi Cahyo Adin Nugroho Eka Amirudin Eliza Laura Panjaitan Fiqri Fadillah Fahmi Firdaus Audtiya Hanif Hidayat Herdin Bergas Farras Ibnu Alfarizy Ilham Falah Hamdi Iskandar, Ranu Kriswanto Lanang Puspa Buana M. Abiyyu Hafizh Harahap Mahardika Setya Dharma Muhammad Akmal Maulana Muhammad Dwi Saputra Muhammad Hafiz Izzuddin Muhammad Raihan Firmansyah Muhammad Rizal Saputra Muhammad Ryo Suhartian Muhammad Saddam Mahasurya Muhammad Yusuf Wibowo Muhammad Zia Ulhakim Rafif Dimas Pratama Rahmat Doni Widodo