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I'd like to change my gearing to achieve more low end acceleration. My gearing is currently 2.5:1. I have 30 teeth on the motor sprocket and 75 on the axle sprocket. Now my question is, if I reduce my motor teeth to 18, how many teeth can you add to the axle sprocket without changing the...

Ok, so I've finally had the electric kart up and running for almost a week now. So far there haven't been ANY problems so I'm pretty stoked. Here are the stats so far: - 48V 5kW DC motor - Four 12V AGM batteries in series - 426lbs - Approx. 20 minutes of solid runtime - Approx. 36mph max...

I'm new to the EV scene and I'm pretty electrically illiterate so I need your help. My project is an electric go-kart which is going to use a 36V brushless DC motor (rated power: 10kW, rated current: 250A, weight: 18lbs). After days of scouring the web I've found three battery options...