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All Journal International Journal of Marine Engineering Innovation and Research
Nanang Setiyobudi
Research Center for Hydrodynamics Technology, National Research and Innovation Agency Republic of Indonesia, Surabaya, 60112, Indonesia.
Automotive Engineering Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Experimental Study on the Application of a Local Propeller for Improving the Propulsion Performance of FRP Fishing Vessels Ari B. Setiawan; Nanang Setiyobudi; Oktavian Rahardjo
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 4 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i4

Abstract

This study aims to evaluate the performance improvement of fishing vessels made of fiberglass-reinforced plastic (FRP) using locally manufactured propulsion components. Two vessels, KM. Nelayan 271 and KM. Nelayan 371, were tested to identify and resolve the underperformance issue, as both initially failed to achieve the target service speed of 7 knots. The experimental approach involved field installation, configuration adjustment, and sea trials. On KM. Nelayan 271 , the original D22×P20 (three-blade) propeller was replaced with a D24×P22 (four-blade) model, resulting in a speed increase from 5.3 to approximately 7.1 knots at 2000 RPM. On KM. Nelayan 371, the gearbox was replaced from WHG17G (3:1) to MA125 (2:1), allowing the vessel to exceed 8.3 knots using the same propeller configuration. These results demonstrate that optimizing the gearbox ratio and propeller geometry effectively restores the propulsion balance and enhances vessel performance. The findings provide empirical validation that domestically manufactured components, specifically the B-Series propellers produced by BTH Surabaya, can meet the operational standards for small fishing vessels. This achievement supports Indonesia’s initiative to strengthen the TKDN policy and reduce reliance on imported marine propulsion systems.
Co-Authors Ari B. Setiawan Oktavian Rahardjo