<![CDATA[This study compared the energy efficiency of 350 W and 400 W DC motors on the Niskala electric vehicle prototype under different gear ratios. Experimental testing was conducted using three gear combinations: 12T–17T, 12T–22T, and 12T–24T. The prototype was operated under each configuration, and energy consumption was measured with a Wh meter to determine efficiency as travel distance per unit of energy. The results showed that the 350 W DC motor combined with the 12T–17T gear configuration produced the lowest energy efficiency, at 248.3 km/kWh. This result indicates that the configuration did not provide optimal motor performance under the test conditions. In contrast, the 400 W DC motor with the 12T–24T gear combination achieved the highest energy efficiency, reaching 280.3 km/kWh. These findings indicate that higher motor power, combined with an appropriate gear ratio, can help maintain more optimal operating conditions. Therefore, the 400 W DC motor with the 12T–24T gear combination was the most optimal configuration for the Niskala electric vehicle prototype.]]>
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