Rc Gear Ratio Calculator
Calculate rc gear ratio with this free online tool
RC Gear Ratio Calculator
Calculate gear ratio, rollout, and estimated top speed for RC cars from pinion, spur, transmission, and tire size.
How to Use
- Enter pinion and spur gear tooth counts (printed on gears or manual).
- Enter the internal transmission ratio (check your kit manual).
- Enter tire diameter in mm (measure across the inflated tire).
- Enter motor RPM (KV × battery voltage, or dyno measured).
- Click Calculate for ratio, rollout, and estimated top speed.
- Higher pinion / lower spur = more top speed, less acceleration. Reverse for more torque.
ការគណនាសមាមាត្រឧបករណ៍ rc ដោយឥតគិតថ្លៃជាមួយនឹងលទ្ធផលភ្លាមៗ។ មិនត្រូវការគណនី ដំណើរការលើឧបករណ៍ណាមួយ ឯកជនទាំងស្រុង។
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