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Mohammad Ma'ruf
University of Merdeka Malang
Automotive Engineering Control & Systems Engineering

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ANALYSIS OF WORKING PERFORMANCE IN ENGINEERING MODIFICATION OF FEROZA VEHICLES WITH FUEL INJECTION SYSTEM Apriyanto Apriyanto; Mohammad Ma'ruf; Tuharno Tuharno
TRANSMISI Vol 15, No 1 (2019): Edisi Pebruari 2019
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v15i1.4735

Abstract

Daihatsu Feroza vehicle is one type of official vehicle that is still used to support basic tasks in the ranks of the Army. This vehicle is one of the vehicles that wasteful of fuel. This is influenced by the fuel system used is the conventional fuel system. To overcome this, modifications are made to the fuel system of the feroza service vehicles using a fuel injection system that is more fuel efficient. Testing using the fuel injection system has decreased compared to by using a conventional fuel system at engine power and engine thermal efficiency. From the analysis it was concluded that the effective power and efficiency of the engine produced using the injection system is smaller than using conventional systems. Power at 1800 rpm engine speed uses an injection system that is 210 Nm with a thermal efficiency of 42.97% and uses a conventional system that is 240 Nm with a thermal efficiency of 48.20%.
ANALYSIS OF THE ABILITY TO PUSH HOVERCRAFT VEHICLES TO SUPPORT ARMY SWAMP OPERATIONS Endia Muhamat Nur; Mohammad Ma'ruf; Agus Mulyono
TRANSMISI Vol 15, No 2 (2019): Edisi September 2019
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v15i2.4772

Abstract

A hovercraft is an amphibious vehicle that works on an air cushion, capable of traveling on land and water terrains. This vehicle is driven by two systems, namely the lifting system and the propulsion system. The propulsion system functions to produce a thrust that will drive the hovercraft vehicle forward. The thrust is influenced by engine speed, transmission, shaft rotation, fan design, air flow speed, flow rate mass, and air discharge. This research method is carried out by varying the engine speed, starting from 1000rpm, 1200rpm, 1400rpm, 1600rpm, 1800rpm, 2000rpm, 2200rpm rotation. The results of the research and data processing showed that the higher the rotation of the shaft, the greater the thrust generated. Where at a minimum engine speed of 1000 rpm, the shaft rotation of 436 rpm produces a thrust of 11.794 Newton. Whereas at the maximum 2200 rpm engine speed, the 1060 rpm shaft rotation produces a thrust of 87.664 Newton.
Co-Authors Agus Mulyono Apriyanto Apriyanto Endia Muhamat Nur Tuharno Tuharno