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All Journal Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi
Hesti Hermawati
Universitas Negeri Jakarta
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Industrial & Manufacturing Engineering

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Optimizing Performance of a 4 kW BLDC Motor in Go-Kart Through Load and Speed Testing Hesti Hermawati; Darwin Rio Budi Syaka; Rani Anggrainy
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 8 Number 1 (2026)
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v8i1.9073

Abstract

The development of electric go-karts involves overcoming challenges related to efficiency across different driving conditions. A key issue is the reduction in efficiency caused by changes in speed and the driver’s weight, both of which impact the motor’s power demands. This study focuses on examining how variations in driver weight (55 kg, 65 kg, and 75 kg) and speed (40 km/h, 50 km/h, and 60 km/h) affect the efficiency of a 4 kW BLDC motor in an electric go-kart. The research employed a quantitative experimental approach, conducting field tests on a 300-meter flat track. Key data, including voltage, current, and torque, were measured to calculate the motor’s input and output power, with efficiency determined by the power ratio formula. Analysis using a Two-Way ANOVA test revealed that both driver weight and speed, as well as their interaction, had a significant effect on efficiency (p<0.001). The highest efficiency recorded was 95.45% at 55 kg and 40 km/h, while the lowest was 62.49% at 75 kg and 60 km/h. These findings align with previous research, confirming that increased load and speed decrease efficiency. Such insights can guide strategies to optimize electric vehicle performance.
Co-Authors Anggrainy, Rani Darwin Rio Budi Syaka