Saipul Bahri Daulay
Program Studi Keteknikan Pertanian Fakultas Pertanian USU Medan

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Design and Construction of Lemang Cook Vertical Type Zultix Las Risanta; Saipul Bahri Daulay; Achwil Putra Munir
Jurnal Rekayasa Pangan dan Pertanian Vol 4, No 1 (2016): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

The process of cooking lemang is very simple and has some weakness to be minimalized. The purpose of this research was to design, build, test analyze the economic value of lemang cook. Observed parameters were the effective capacity of the equipment, organoleptic test, and economic analysis.Based on this research it was summarized that the effective capacity, of the equipment was 1,42 kg/hour. The color was 2,9 (like), the formed was 3,1 (like), aroma was 2,9 (like) and taste was 3,3 (like) crispness was 3,5 (crispy). Economic analysis was as follows: basic costs for the first to the fifth year was Rp.4.912,09/kg, Rp. 4.374,57 /kg, Rp .4.195,39 /kg, Rp.4.105,95/kg, and Rp. 4.052,40/kg respectively. Break event point (BEP) for the first to the fifth year was 143.51 kg/year, 77.37 kg/ year, 55.35 kg/ year, 44.36 kg/ year, and 37.78 kg/ year respectively. Internal rate of return (IRR) was 45.87%. Keywords: Glutinous rice, lemang’s, stainless steel lemang’s tube.
RPM Test of Mechanical Desiccated Coconut Agra Izwan; Saipul Bahri Daulay; Sumono Sumono
Jurnal Rekayasa Pangan dan Pertanian Vol 4, No 2 (2016): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

This research was done to test the effect of rpm on the effective capacity of the equipment, percentage of material left in the equipment, and yield. This research was using non factorial completely randomized design. It was found that the work capacity of the equipment, percentage of material left in the equipment, and yield on 1125 rpm are 83,128, 12,17%, and 87,83% kg/hr respectively. On 900 rpm are 75.650, 19,33%, and 80,33% kg/hr respectively. On 750 rpm are 70,484, 25%, and 75% kg/hr respectively. The results showed  that number of knife edge had significant effect on percentage of material left in the equipment, and yield and had significant different on the work capacity. The main cost from year one to year seven were Rp. 143,52, Rp. 134,90, Rp. 132,04, Rp. 130,61, Rp. 129,76, Rp. 129,31, and Rp. 128,78 per kg respectively. Break even point from year one to year seven were 1552,55, 835,26, 596,50, 477,32, 405,96, 368,42, 324,75 kg respectively. The result of net present value from 6% of bank rate was Rp. 1.518.446.869,44 which means this business was competent. The internal rate of return was 35,6% which means this business was competent if the bank rate were not more than 35,6%. Keywords : rpm, grater, desiccated coconut
Test Results Of Temperature Variation On Hair Dryer Fishing Equipment (Cabinet Type) Erdi K.L. Tobing; Ainun Rohanah; Saipul Bahri Daulay
Jurnal Rekayasa Pangan dan Pertanian Vol 4, No 2 (2016): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

Drying is an important activity in pickling food presentation, as well as in agriculture product industry. The easiest and cheapest way to do drying is with sun light or sundrying. To overcome the sunlight limitation, a sunlight fish drying was had to guarantee the fish higenity. This research was aimed to test moisture content of pora-pora fish using fish dryer machine (cabinet type) and calculated the organoleptic value of the result.  This research had been conducted at agriculture engineering laboratory, faculty of agriculture USU in December 2014 until March 2015 using pora-pora fish. Parameters observed were moisture content and organoleptic test. The result of this research showed that the best moisture content was 29,17%, the best appearance 7,13 and the smell was 7,0. Keywords: Dryer fish machine (cabinet type), pora-pora fish
Commodity Variation Test with Seed Chip Molder Rizki Aminullah Lubis; Saipul Bahri Daulay; Lukman Adlin Harahap
Jurnal Rekayasa Pangan dan Pertanian Vol 4, No 2 (2016): Jurnal Rekayasa Pangan dan Pertanian
Publisher : Universitas Sumatera Utara

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Abstract

One of agricultural mechanization excellence is to improve agricultural product value compered to the row one. Beside melinjo that has been popular to become chip, cempedak’s seed, jackfruit’s seed, and durian’s seed else can be processed to be come chip. This research was aimed at testing the effective commodity types on chip’s maker machine. Therefore, a research had been conducted at Agricultural Engineering Laboratory, Faculty of Agriculture USU in February 2015 until March 2015 using cempedak seed, durian seed and jackfruit seed. Parameters observed were effective capacity on and organoleptic test. The results showed that the best capacity using durian seeds i.e 14,44 kg/hour. Keywords: Seed Chip Molder, cempedak seeds, durian seeds and jackfruit seeds.