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Rancang Bangun Mekanisme Peningkat Putaran Bertenaga Sepeda Statis Dengan Keluaran 2700 Rpm Pada Sistem Alternator Gede Andhika Sindu Artha; Djoko Herwanto; Amal Fatkhulloh
Langit Biru: Jurnal Ilmiah Aviasi Vol 14 No 01 (2021): Langit Biru: Jurnal Ilmiah Aviasi
Publisher : Politeknik Penerbangan Indonesia Curug

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54147/langitbiru.v14i01.418

Abstract

In engine run practice, it can be simulated by using static bicycle wheel rotation to meet alternator rotation requirements. However, the limitation of human leg muscle to pedalling have not been able to reach the desired rpm. To achieve alternator rotation, design and developable mechanism of rotation is needed. Based on a few identification problems that will be the limitation of problem is how to design developable mechanism of static bike powered with output 2700 rpm. In this design, a knurling wheel with 60 mm of diameter diamond pattern knurling surface as the successor to the 660 mm diameter round bicycle wheel. The chosen gear is a straight gear where the driver gear is 120 mm of pitch diameter, the number of teeth is 60 and the driven gear is 60 mm of pitch diameter with the number of teeth is 30 as successor to knurling wheel. The shaft used is 20 mm of diameter with 7x7 dimention of spie. The bearings used are ball bearing type with bearing number 6004. For the belt and driver pulley, the designer chooses a type A number 35 of v belt with a length of circumference 889 mm belt and 127 mm diameter of driver pulley. The support of gear, driver pulley and alternator used S45C material with 343 N/mm2 of yield strength. From the results of calculations and designs that have been done, the tools are made to work well according to the designer's criteria. So, this design can be used to help increase the rotation of the bicycle wheel rotation.
MODIFIKASI ALAT PENYANGGA PELEPAS DAN PEMASANG TAIL BOOM HELIKOPTER NBO 105 BERSUDUT 2,2º ± 1º DI DIREKTORAT POLISI UDARA BADAN PEMELIHARA KEAMANAN POLRI PONDOK CABE Fajar Sidik Budiyanto; Djoko Herwanto; Amal Fatkhulloh
Langit Biru: Jurnal Ilmiah Aviasi Vol 13 No 02 (2020): Langit Biru: Jurnal Ilmiah Aviasi Vol.13 No.2 [Juni 2020]
Publisher : Politeknik Penerbangan Indonesia Curug

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

Abstract

B.Indonesia Dalam proses pelepasan dan pemasangan tail boom di Direktorat Polisi Udara khususnya di out base station ditahan oleh beberapa orang. Proses tersebut dapat berakibat beberapa baut rusak. Selanjutnya tail boom diletakkan pada sebuah rack. Untuk itu penulis mencoba memberikan solusi memodifikasi tail boom rack yang bertujuan untuk menggantikan sling dan crane sebagai pengangkat. Dalam rancangan modifikasi dibagi menjadi empat pembahasan. Pertama, merancang rangka. Selanjutnya membandingkan dengan tegangan yang diizinkan material. Kedua, merancang ulir penggerak dengan menggunakan teori ulir daya. Setelah di dapat panjang ulir maka dapat ditentukan seberapa tinggi alat ini mampu mengangkat tail boom. Ketiga, merancang pengatur sudut kemiringan tail boom. Keempat, menentukan bearing. Dari pembahasan di dapat tegangan pada rangka atas adalah 0,58kg/mm2 dan pada lengan penggerak adalah 19,466 kg/mm2, alat mampu mengangkat sampai 146 cm, sudut yang didapat mencapai 3,03° adapun bearing dengan digunakan adalah roller bearing tipe ball bearing dengan nomor 6208. B.English In the process of the removal and installation tail boom especially in out base station hangar of Directorat of Polisi Udara is lifted by some people. That process can affect some the bolts has broken. Because of that, the authors try to provide a solution by modifying tail boom rack that aims to replace the sling and crane those are not in the out base station as carrying out the. In modification there are four discussion. The first, design the framework modifications and comparing the stress that allowed by material. The second, design thread driver. After the length of power thread is known it can then be determined how high the tool is capable of lifting tail boom. The third, design the angle setting. From there it can be determined the tilt of angle of tail boom. The fourth, decisive the bearing. From the discussion it get the stress that happen on the upper frame is 0,58kg/mm2 and the drive arm is 19.466 kg/mm2, the tool is capable of lifting up to 146 cm, which can reach the angle of 3.03 °, use roller bearing type ball bearing with the number 6208.
Rancang Bangun Mekanisme Peningkat Putaran Bertenaga Sepeda Statis Dengan Keluaran 2700 Rpm Pada Sistem Alternator Sindu Artha, Gede Andhika; Herwanto, Djoko; Amal Fatkhulloh
Langit Biru: Jurnal Ilmiah Aviasi Vol 14 No 01 (2021): Langit Biru: Jurnal Ilmiah Aviasi
Publisher : Politeknik Penerbangan Indonesia Curug

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54147/langitbiru.v14i01.418

Abstract

In engine run practice, it can be simulated by using static bicycle wheel rotation to meet alternator rotation requirements. However, the limitation of human leg muscle to pedalling have not been able to reach the desired rpm. To achieve alternator rotation, design and developable mechanism of rotation is needed. Based on a few identification problems that will be the limitation of problem is how to design developable mechanism of static bike powered with output 2700 rpm. In this design, a knurling wheel with 60 mm of diameter diamond pattern knurling surface as the successor to the 660 mm diameter round bicycle wheel. The chosen gear is a straight gear where the driver gear is 120 mm of pitch diameter, the number of teeth is 60 and the driven gear is 60 mm of pitch diameter with the number of teeth is 30 as successor to knurling wheel. The shaft used is 20 mm of diameter with 7x7 dimention of spie. The bearings used are ball bearing type with bearing number 6004. For the belt and driver pulley, the designer chooses a type A number 35 of v belt with a length of circumference 889 mm belt and 127 mm diameter of driver pulley. The support of gear, driver pulley and alternator used S45C material with 343 N/mm2 of yield strength. From the results of calculations and designs that have been done, the tools are made to work well according to the designer's criteria. So, this design can be used to help increase the rotation of the bicycle wheel rotation.
Implementasi E-Learning dalam Pengembangan Karyawan: Penelitian Rena Augia Putrie; Dany Luqyana Idris; Amal Fatkhulloh; Andie Paramitha Harianie; Seno Lamsir
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 1 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 1 (Juli 2025 -
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i1.2547

Abstract

Tujuan penelitian ini adalah untuk mengetahui implementasi e-learning dalam pengembangan karyawan. Pendekatan penelitian ini mengumpulkan data melalui studi literatur, yang melibatkan pembacaan literatur dari berbagai sumber termasuk buku, laporan, artikel, dan jurnal dengan menggunakan pendakatan kualitatif dan deduktif. Hasil penelitian ini adalah keberhasilan penerapan e-learning dalam pengembangan karyawan ditentukan oleh perencanaan yang matang melalui analisis kebutuhan, pemilihan platform yang tepat, penyusunan konten interaktif, pelatihan teknis, serta monitoring dan evaluasi berkelanjutan. Meskipun menawarkan berbagai keuntungan seperti fleksibilitas, kemandirian belajar, kontinuitas pembelajaran, hingga jangkauan yang luas. Namun e-learning juga menghadapi sejumlah tantangan berupa resistensi karyawan, keterbatasan infrastruktur, kualitas konten, dan lemahnya monitoring. Untuk mengatasi tantangan tersebut, perusahaan perlu melakukan upaya strategis termasuk peningkatan literasi digital, investasi infrastruktur teknologi, perancangan konten yang interaktif, serta pemberian reward untuk mendorong motivasi karyawan. Dengan pendekatan tersebut, e-learning dapat berfungsi optimal dalam mendukung peningkatan kompetensi karyawan sekaligus memperkuat daya saing perusahaan di era digital.