// RC_TOOLS

RC Toolkit

field calculators for RC helicopter pilots
Helicopter tools
// headspeed
Headspeed Calculator
Calculate rotor head RPM from KV, battery, gear ratio and throttle. Includes ESC efficiency zones and governor headroom guide.
// pitch
Micro Blade Pitch
Find the required blade tip distance for any pitch angle 0–18°. No pitch gauge needed — just a ruler.
Transmitter tools
// transmitter
TX Value Converter
Convert between EdgeTX / Radiomaster / FrSky / Flysky (−100 to +100) and Spektrum / JR (0 to 100) values instantly.
// rotorflight
Channel Gain
Look up the TX output value for any Spektrum knob position (RFValue 0–250). Used for tuning P gain via a rotary knob.