ANALISA KEBUTUHAN TORSI MOTOR PADA MESIN PEMOTONG RUMPUT KENDALI REMOTE CONTROL BERBASIS MESIN BENSIN
Keywords:
DC motor, gearbox, grass cutting machine, remote control, torqueAbstract
Manual grass cutting still poses a high risk of occupational accidents due to direct contact with cutting blades and flying debris. This study aims to analyze the motor torque requirement of a gasoline-powered remote-controlled grass cutting machine to determine the suitability of the selected motor for the operating load. The research employed an analytical calculation method based on design parameters, including a machine mass of 150 kg, a wheel diameter of 15 inches (0.381 m), a rolling resistance coefficient of 0.05, and four 24 V 500 W DC motors equipped with gearboxes operating at an output speed of 200 rpm. The results indicate that the rolling resistance force is 73.58 N, requiring a wheel torque of 14.03 Nm. Each motor produces a torque of 23.88 Nm, resulting in a total available torque of 95.52 Nm from the four motors. The available torque exceeds the required torque, demonstrating that the selected motor configuration is capable of driving the machine effectively. These findings provide a technical basis for selecting an appropriate drive motor in the development of safe, reliable, and efficient remote-controlled gasoline-powered grass cutting machines.
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Copyright (c) 2026 Harmansyah Harmansyah, Riwanda Yogi Saputra, Mahesa Al Hafidh, Angga Sateria, Hasdiansah Hasdiansah
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