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Chassis & setup

Chassis & setup

Weight, springs, axles, and the conversions that come up at the bench.

Chassis & axles

Crawler reduction & overdriveShared reduction stages, axle ratios, and unequal tire sizes.
Corner & cross weightsFront, left, and diagonal balance from four scale readings.
Spring & suspensionSpring rate, wheel rate, and undamped corner frequency.

Running & conversions

Nitro pit timingEstimate fuel runtime and a pit interval with reserve.
Servo conversionsConvert torque ratings and estimate travel time at rated speed.
Scale dimensions & speedModel dimensions and explicitly chosen scale-speed conventions.