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Free tools for dialing in your RC car. Corner weights, gearing, suspension geometry, and battery planning, all in grams and millimeters.
Front/rear, left/right, and cross weight from four scale readings, with a tuning guide.
OpenFinal drive ratio, rollout, and estimated top speed, with a pinion chart.
OpenFind your center of gravity height with scales and the axle-lift method.
OpenEffective spring rate at the wheel from mounting position and shock angle.
OpenIdeal outer wheel angle, Ackermann percentage, and turning radius.
OpenEstimated run time, pack energy, and C-rating headroom.
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