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Journal : Serambi Engineering

Perbandingan Kecepatan Perahu 1 GT Menggunakan Propeller Dua Daun dan Tiga Daun Pada System Water Jet Ikhsan, Muhammad; B, Siswandi; Jupri; Efrizal; Muhammad Ryan Saputra; Bima Kurniawan
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Indonesia, as an archipelagic country with extensive marine areas, relies on small vessels as the main means of transportation for coastal communities; therefore, an efficient, safe, and suitable propulsion system for shallow waters is required. This study aims to analyze the effect of the number of propeller blades on the speed of a 1 GT boat equipped with a water jet propulsion system. An experimental method was applied by conducting speed tests in shallow waters using a 4-inch diameter water jet and a 7 HP Rubin engine. The tests were carried out using two-blade and three-blade propellers, each tested four times on the same boat, engine, and location. Primary data were obtained from direct testing and speed measurements, while secondary data included engine specifications, 1 GT boat characteristics, and water jet design data. The analysis was conducted using descriptive and comparative methods. The results show that the three-blade propeller produced a higher average speed of 4.88 knots compared to 4.13 knots for the two-blade propeller. The maximum speed achieved by the three-blade propeller was 5.3 knots, while the two-blade propeller reached 4.4 knots. These results indicate that the three-blade propeller generates greater thrust, making it more effective for improving the speed of small boats using water jet systems in shallow waters.
Co-Authors Abdullah Badaruddin R Ach Rahul Abdullah Achmad Bill Berry Adinda Rahmatika Aditya Tri Prasetyo Ahmat Bayu Setiawan Ahzu Ainur Rohmah Ainur Rohma Husni Aisyah Dwi Angraini Alek Alaikal Hasan Alfani Aurilia Hidayat Alif Ahya Habibi Alisa Alya Rahma Almira Dayinta Amin Wahyono Ana Qonita Andinia Rahmawati Anoraga Pandji laksana Antika Ayu Sahara Bagas Eka Pratama Darussaidah Della Melinda Br Bangun Devina Vela Antika Dewi Mariyam Ati Dini Aminati Dwi Mukhlisatin. F Efrizal Ekin Renata Christiano Sitepu Elsa Farista Elviana Br Bangun Fadly Azka Mulya Febby Arie Oktavia Hairunisa Hairunisa Hana Try Hestina Ginting Happy Nurcahyani Herlyana Rahmadhani Illa khoirur Rohmawati Inayatul Isma Izza Luria Putri Jasmine Jupri Karina Emilia Widyaningroh Karinda Nirmala Khoilur Rofiki Lira Firnanda M Arifin Fadly M. Azaz Alfian Mentari A Z Mila Rosita Moh Ulil Amri Muhammad Almaz Firza Sasongko Muhammad Firdan Abrori Muhammad Ikhsan Muhammad Nuryan Firnanda Muhammad Raihan Popoy Hakim Muhammad Ryan Saputra Mu’alimin Mu’alimin Nikmatul Sasi Panji Fikri Rafli Hendra Rajasa Risal Rizky Anang Mustofa Rosa Dwi Eliyah Rosiana Sukma Anjani Sabila Najwah Hidayah Sabilah Najwah Hidayah, Sabilah Najwah Hidayah Safira Dwi Agustina Saptia Wahyuni Septian Trio Bagus Saputra Siswandi B SITI AMINAH Tariza Ramadhani Tesalonika Dwi Gres Sitio Tri Pujiati Uul Hasanah Vina Santiana Kartika Putri Violina Nedisa Parindra Putri Vita Safira Yohan Aditya Mahendra ZA, Dede Rosyadi Zaskia Az Zahra Aurora Zenia Hutajulu