Rc 齿轮比计算器
使用此免费在线工具计算弧齿轮比
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.
All calculations run locally in your browser. No data is sent to any server.
免费 rc 齿轮比计算器，可即时得出结果。无需帐户，可在任何设备上使用，完全私密。
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