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Engineering Purse Line Hauler Machine For Hydraulic Axle Capstan On Mini Purse Seine Boat Soepardi, Sugiono; Istrianto, Kadi; Fanani, M. Zainal; Samu, Markus Samu; Suharyanto, Suharyanto; Perangin-angin, Robet
PELAGICUS Volume 4 Nomor 2 Tahun 2023
Publisher : Politeknik Kelautan dan Perikanan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/plgc.v4i2.12279

Abstract

Purse seine or purse seine is one of the dominant fishing tools for catching pelagic (surface) fish which operates by circling schools (schooling) of fish. In the process of circling a school of fish, the bottom must be crimped immediately and quickly using a crimping rope or what is usually called a "drawstring" so that the fish remain in the circle and do not escape. This research was conducted from August to October 2019 on the north coast of Pekalongan, Java Sea. The application of hydraulically powered capstan axle crimp rope pulling machines on small scale vessels is expected to increase effectiveness, operational safety and efficiency of time and energy. Especially for purse seine ships <30GT and can increase catches which in turn can increase fishermen's income. Based on the test results, it was found that the driving diesel RPM without a pulling load = 1303 / 1530 RPM; Maximum RPM of the winding capstan spool when without a pulling load = 45 / 51.5 RPM; Maximum speed of winding capstan spools without tension load = 40.5 / 58.5 meters/minute; RPM of the driving diesel when pulling the purse seine line = 1500 RPM; Maximum RPM of the capstan winder spool when pulling the purse seine line at an average load = 43.2 RPM; Maximum RPM of the capstan winder spool when pulling the heaviest load (maximum) purse seine crimp rope = 40.1 RPM; Maximum pulling speed of the towing machine at the average load of pulling the purse seine crimp rope = 40.07 meters/minute; Maximum pulling speed of the towing machine when the heaviest load is pulling the purse seine crimp rope = 37.2 meters/minute; Load towing capability = detected ± 1000kg.
IMPLEMENTASI PEMBELAJARAN IPA BERDIFERENSIASI DENGAN MODEL PBL UNTUK MENINGKATKAN HASIL BELAJAR KOGNITIF SISWA SMP DI KEDIRI Fanani, M. Zainal; Erman; Sulastri
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 9 No. 04 (2024): Volume 09, No. 04 Desember 2024
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v9i4.17769

Abstract

This research aims to determine the implementation of differentiated learning using the PBL model and increase the cognitive learning scores of class VII A students at SMP Negeri 1 Grogol Kediri. Quantitative research methods were used in this research with a classroom action research (PTK) approach system which was carried out in 2 cycles where each cycle had 4 levels, including planning, implementation, observation and reflection. The data collection process is carried out through a Posttest at the end of each learning cycle. The results of this research show that the average value of cognitive learning outcomes has increased from 72.94 in the pre-cycle stage to 78.84 in cycle 1, and then to 87.64 in cycle 2. The percentage value of learning completeness has also increased, increasing from 64.7% in the pre-cycle stage to 85.5% in cycle 1 and then to 94.1% in cycle 2. Conclusions from the detailed action assessment (PTK) in class VII A students at SMP Negeri 1 Grogol who applied the PBL model with a Differentiated shows an increase in cognitive scores and the percentage of student learning completeness.