Rc Speed Calculator
Calculate rc speed with this free online tool
RC Speed Calculator
Calculate actual and scale speed from motor RPM, gear ratio, and wheel size.
How to Use
- Choose KV×Voltage mode or enter motor RPM directly.
- Enter your motor KV rating and battery voltage (e.g., 3S = 11.1V, 4S = 14.8V, 6S = 22.2V).
- Enter the gear ratio (pinion teeth ÷ spur teeth, e.g., 18/45 = 2.5).
- Enter wheel diameter in millimeters.
- Set the scale denominator (e.g., 10 for 1:10 scale).
- Click Calculate to see actual speed and equivalent full-scale speed.
Calculator gratuit de viteză rc cu rezultate instantanee. Nu este nevoie de cont, funcționează pe orice dispozitiv, complet privat.
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