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Journal : TEKTAN

Rancang Bangun Pengaturan Bukaan Choke pada Genset Hybrid (Bensin dan Bioetanol) Ridwan Baharta; Bastaman Syah
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 6 No 1 (2014)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v6i1.856

Abstract

Until recently, generator available in the market, generally gasoline or LPG. Conversion of gasoline to fuel bio-ethanol requires some adjustments.The research conducted was  a further development of research Nurjan Didik Purwanto in 2011. The research was focused on adjustment of airand fuel ratio after the fuel in the generator set was replaced with bioethanol. Bioethanol has a higher octane rating than gasoline, but it has a lower calorific value than petrol. With this condition, it is necessary to attempt to increase the ratio of air and fuel to be more "fat " to regulate the entry of air through the carburetor. Settings ratio of fuel and air is done by adjusting the carburetor choke openings. This setting restores the stability of the engine, the same as using premium gasoline.This study primarily aims to expand the use of renewable energy, especially for the implementation of electric power for households.The results of this research  has been successfully realized by using a Timer Switch AC, 12 Volt DC timer switch, solenoid valve (solenoid valve), and actuators. Aperture choke1/3 on the use of bio-ethanol fuel produces almost simillar to  the engine speed compare to it when  using gasoline. Fuel consumption of bioethanol is 40% more than the use of  gasoline. Keywords: choke, gasoline, bio ethanol
Rancang Bangun Alat Pemberi Pakan Ikan Otomatis Menggunakan Pewaktu Bastaman Syah; Winarto Winarto; Imam Sofi'i
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 7 No 1 (2015)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v7i1.876

Abstract

Feed is an important factor in the process of aquaculture. In addition to the accuracy of the amount of feed given, the time of administration also plays an important role in the effectiveness of the use of feed. The objectives of this researh are to minimize errors feeding, both in terms of the amount of feed given and the time of administration is by designing the wake of a tool that can provide the right amount of feed and time. A feeder fish automatically designed using a timer 0f 4 pieces, consisting 1 piece timer used to set an eating schedule, and 3 pieces of each of the other is used to set a long life electric motor driving the blower, set the interval between the electric motor driving the blower with motor electric propulsion auger, and set long-life electric motor driving the auger. The test results show that the performance of the tool fish feed spreader tool can operate in three time feeding, morning, afternoon and evening. Dosage of feed within 30 seconds can remove fish feed pellets weighing 375.2 grams for medium and 233 for small pellets. Throw distance of 2.2 m and a width of 1.70 m for the distribution of pellets being as well as the distance of the throw of 2,25 m wide and 1,68 m for the distribution of small pellets. Keywords: spreader fish feed, timer, auotomatic
Rancang Bangun Alat Kontrol Operasional Pompa Air pada Dua Pemakai Skala Rumah Tangga Tanda Saputra; Muhammad Hafidz; Muhammad Fajrian Akbar; Bastaman Syah; Yose Sabastian
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 7 No 2 (2015)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v7i2.885

Abstract

Indonesia still through water scarcity, ironicaly Indonesia included in 10 countries with rich sources of fresh water.  In urban areas generally people can get fresh water source from water pump with making an artesian well or deep well. Artesian well water pump is very expensiveif it’s used only in one house.  To make efficient, using one pump for two or more houses can be overcome by making “operational control device pumps water”.  Utilizing the interlock system used on two houses and one well, so if one house pump turned on, another house can’t be turned on an off except after reservoir tank fulled of water, another house can be turned on the water pump. Reservoir tank is used automatically by using a ball floater switches.  When the water in the reservoir tank is full, the pump doesn’t work so that water is not wasted in vain. This tool design cane save half the cost compared to each house makes its own borehole and pump water, because the system is supplied electrical energy to the water pump from each house. Keywords: water pump, artesian well, interlock, reservoir tank automatic