International Journal of Marine Engineering Innovation and Research
Vol 8, No 2 (2023)

Analysis of Performance Losses Related to Shaft Angle on Fishing Boats Using the Free Running Model Test Method

Aang Wahidin (Politeknik Perkapalan Negeri Surabaya)
Rachmad Tri Soelistijono (Politeknik Perkapalan Negeri Surabaya)
Fitri Hardiyanti (Politeknik Perkapalan Negeri Surabaya)
Lilik Subiyanto (Politeknik Perkapalan Negeri Surabaya)
Gaguk Suhardjito (Politeknik Perkapalan Negeri Surabaya)
Subagio So’im (Politeknik Perkapalan Negeri Surabaya)

Article Info

Publish Date
16 Jun 2023

Abstract

Several traditional fishing boats in Sendang Biru, Malang Regency are of the sekoci type using an inboard engine drive system with the position of the propeller shaft installed at an angle to the ship's base line. Based on the theory can reduce the performance of the ship propulsion system up to (2-3)%. In this research, we analyzed how much performance was lost/decreased on the lifeboat type fishing boats installed above. The method we use is the Free Running Model Test by making a model of a traditional fishing boat type of lifeboat with a model size of Loa = 100 cm, Lwl = 80.72 cm, B = 19.7 cm, H = 10.68 cm and T = 5, 08 cm made of aluminum sheet. The Free Running Model Test uses 1 motor and propeller which has a thrust of 60 watts, remote control equipment uses the main component of the NRF24L01 transceiver which works at a frequency of 2.4 Ghz with a range of 240 meters to 1 kilometer with conditions without obstacles and camera equipment drone to record the track. The results of this study show that there is a decrease/loss of performance at a 3-degree angle of 0.24%, at a 5-d. gree angle of 0.49%, at a 10-degree angle of 2.52%, at a 15-degree angle of 4.41% and at an angle of 20 degrees of 6.48%.

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Journal Info
International Journal of Marine Engineering Innovation and Research
Website

Abbrev

ijmeir

Publisher

Institut Teknologi Sepuluh Nopember Surabaya

Subject

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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