Kalkulačka Rc Gear Ratio

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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

  1. Enter pinion and spur gear tooth counts (printed on gears or manual).
  2. Enter the internal transmission ratio (check your kit manual).
  3. Enter tire diameter in mm (measure across the inflated tire).
  4. Enter motor RPM (KV × battery voltage, or dyno measured).
  5. Click Calculate for ratio, rollout, and estimated top speed.
  6. Higher pinion / lower spur = more top speed, less acceleration. Reverse for more torque.
All calculations run locally in your browser. No data is sent to any server.

Tool Information

Category
🎮 Hračky
Type
Processed in browser
Tags

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