Cebro Irwin Syahri, Mandang Tineke, Hermawan Wawan, Desrial
The use of two-wheel tractors to cultivate terraced rice fields is still experiencing difficulties, especially the complexity of mobilization and the problem of moving the tractor from the lower plots to the upper plots that must climb the steep embankment. This study aims to improve the performance of two-wheel tractors when climbing the slopes, by modifying the handlebar. Modified tractor handlebar can be hoisted with a locking hinge mechanism so that the handlebar angle of inclination to normal position can be adjusted to 0°, 10°, 20°, 30°, and 40°. Simulation of the tractor's handlebar position when starting up the slope was done using AutoCAD software. Modified two-wheel tractors were tested for the ease of climbing the slope, and compared to the tractor with a rigid handlebar. The results of the performance test showed that the adjustable handlebar could climb the slope of 45° and 57° slope angle, while the tractor with fixed handlebar failed to climb. When starting up the slope, the position of the operator can remain standing (not necessarily bending) when operating the two-wheel tractor with the adjustable handlebar. The tractor with adjustable handlebar could climb slopes better and easier than the tractor with the fixed handlebar. © 2019, INMA Bucharest.
Department of Mechanical Engineering, Lhokseumawe State Polytechnic, Indonesia; Department of Mechanical and Biosystem Engineering, Bogor Agricultural University, Indonesia
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