Claim Missing Document
Check
Articles

Found 3 Documents
Search
Journal : Buletin PSP

KAJIAN TEKNIS PENGOPERASIAN CANTRANG DI PERAIRAN BRONDONG, KABUPATEN LAMONGAN, JAWA TIMUR Mochammad Riyanto; Ari Purbayanto; Wazir Mawardi; Noveldesra Suheri
Buletin PSP Vol. 19 No. 1 (2011): Buletin PSP
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (275.141 KB)

Abstract

The use of cantrang grows up as an alternative fishing replacing trawl. Cantrang has different nomenclature used by fishers all Indonesia regions, however there are any regions using the name of cantrang as camouflage of a trawl. National Standardization Agency issued a standard form of cantrang construction (SNI 01-7236-2006) to standardize the gear of cantrang in Indonesia. The objectives of this research are to examine the cantrang construction, and operation aspects of cantrang fisheries in Brondong Waters, Lamongan, East Java. This research was conducted measuring the construction of cantrang, direct by observation following fishing operation trips and interview to the owner and crew of the vessel. The result showed that construction of cantrang in Brondong has differences on some parts to SNI 01-7236-2006, but these differences did not change the form of cantrang. The use of winch to pull the rope is able to accelerate the process of fishing operation thus was increasing the catch.
REKAYASA TANGKI MINI BERARUS (MINI FLUME TANK) UNTUK PENELITIAN TINGKAH LAKU RENANG IKAN Wazir Mawardi; Ari Purbayanto; Daniel R. Monintja; Mulyono S. Baskoro; Budhi Hascaryo Iskandar
Buletin PSP Vol. 19 No. 1 (2011): Buletin PSP
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (437.529 KB)

Abstract

This research was carried out to construct mini flume tank that is reliable and ideal used for fish swimming behavior research through a series testing the flume tank technical performance. The mini flume tank has a maximum water velocity 85 cm/s (1.7 knots), with dimensions of 250 x 135 x 55 cm, and water capacity 155 litres. Based on observation, the field observation is clearly visible due to minimal air bubbles in the water velocity. Observations can be conducted from the two view fields (top and side) that allow observation of swimming endurance and fish tail flick easily. The water velocity is in laminar category at each level of the tested speeds.The rpm of engines is relatively stable for more than 200 minutes. Engine temperature is below 60 oC at frequency of 10 to 40 Hz. At frequency of 50 Hz the temperature reached 60 °C in 25 minutes and stable at 73oC after an hour. Water temperature changes during the test for more than 200 minutes at different speeds which have differences of 0.2 to 1.8 oC. The test result showed that the mini flume tank performance was reliable and ideal used for fish swimming behavior research.
Desain Perahu Fiberglass Bantuan LPPM IPB di Desa Cikahuripan, Kecamatan Cisolok, Sukabumi Eko Sulkhani Yulianto; Budhi Hascaryo Iskandar; Fis Purwangka; Wazir Mawardi
Buletin PSP Vol. 21 No. 1 (2013): Buletin PSP
Publisher : Institut Pertanian Bogor

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

Abstract

Desa Cikahuripan sebagian besar penduduknya, yaitu 1.425 dari total penduduk sebanyak 2.507 jiwa adalah sebagai nelayan. Sebagai nelayan, kapal/perahu merupakan kebutuhan vital yang digunakan untuk sarana unit penangkapan ikan, yaitu sebagai alat transportasi dari fishing base ke fishing ground dan media pengangkutan ikan. Keadaan dari perahu nelayan Cikahuripan sebagian besar sudah tua dan tidak layak laut, sehingga perlu peremajaan kapal. Namun kendala yang dihadapi adalah pengadaan bahan baku berupa kayu yang berkualitas tinggi di daerah Cikahuripan sangat sulit dan ditambah lagi maraknya isu illegal logging yang semakin menambah susah dalam usaha mencari bahan baku. Sehingga dipilih bahan fiberglass sebagai alternatif pengganti kapal kayu. Permasalahan sakarang ini adalah belum adanya pengujian kelayakan dari perahu yang diproduksi sehingga peneliti merasa perlu meneliti lebih lanjut. Perahu fiberglass yang diproduksi diberi nama perahu “Kahuripan Nusantara“. Perahu ini mempunyai dimensi utama sebagai berikut; panjang total (LOA) sebesar 9,56 m; LPP sebesar 8,2 m; dalam (D) sebesar 73,5 cm dan lebar (B) sebesar 111,6 cm. Bahan baku utama pembuatan fiberglass yaitu resin, katalis, talk, erosil, met, roving dan kayu sebagai penguat rangka (gading-gading). Perahu yang diproduksi mengikuti desain perahu dari Cilacap. Proses pembuatan perahu fiberglass masih menggunakan metode sederhana yaitu hand lay up dengan urutan pengerjaan yaitu pelapisan gelcoat -> met -> roving -> met dan terakhir dilakukan pelapisan gelcoat kembali. Secara umum perahu fiberglass yang diproduksi sesuai dengan kapal-kapal yang beroperasi di Indonesia, mulai dari nilai rasio dimensi utama sampai nilai parameter hidrostatisnya. Selain itu, perahu Kahuripan Nusantara juga tergolong mempunyai kestabilan yang cukup baik.Kata kunci: desain perahu, fiberglass, general arrangement, lines plan, parameter hidrostatis