// RC_CALC v2.0

Heli Headspeed

motor · drivetrain · RPM analysis
Throttle → RPM table
Enter parameters and press Calculate to generate the RPM table.
ESC ZONE <65% Inefficient 65–69% Marginal 70–90% Optimal 91–100% No headroom
GOV HEADROOM ≤80% Good — 20%+ reserve above throttle 81–85% OK — 15–20% reserve 86–89% Tight — less than 15% reserve 90–100% None — governor will bog under load