Prop Speed / Mach / Power Lab

Explore how diameter, pitch, rpm, voltage and Mach limits interact. The formulas assume sea-level conditions, advancing-tip Mach limit, and loaded_rpm ≈ 0.7 · Kv · V. Use the interactive lab to pick a point and the charts to see the global trends.

Interactive Prop Lab (single operating point)

Pitch vs rpm

rpm required from pitch: 32808.5

chosen rpm: 40,000

Mach vs rpm

max rpm (M_adv ≤ 0.9): 40636.0

tip Mach: 0.9

advancing Mach: 0.9

Electrical sanity

Kv needed: 2597 rpm/V

Prop aero power: 1.42 kW

Feasible? Yes

rpm vs pitch (200–800 km/h)