Tow Pull & Bollard

Estimate towing pull, attainable tow speed and zero-speed bollard thrust.

Inputs

Shaft power (kW)

Shaft RPM

Propeller D (m)

Pitch ratio (P/D)

Blade area ratio (EAR)

Blades (Z)

Resistance @10kn (kN)

Results

Tow pull

—

kN

Tow speed

—

kn

Bollard thrust

—

kN

Propulsive η_o

—