Wageningen Propeller Calculator from F1tech.info

Propeller Parameters

Diameter (m)

Expanded Area Ratio (EAR)

Typical: 0.3 - 1.05

Pitch-Diameter Ratio (P/D)

Typical: 0.5 - 1.4

Number of Blades

Range: 2 - 7

Shaft RPM

Advance Velocity (m/s)

Water velocity into propeller

Water Type

Power Required

Thrust

Torque

Advance Coefficient (J)

Thrust Coefficient (Kt)

Torque Coefficient (Kq)

Open Water Efficiency