Pivot Point Location

Approximate pivot point location forward of amidships as a function of propeller thrust direction. Ahead motion: pivot ~ 1/4 L forward of amidships; astern: ~ 1/4 L aft.

Manoeuvring

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Formula, assumptions, and limits

x_\text{pivot} \approx \pm 0.25 L

Symbol	Meaning	Unit
$L$	LBP	m
$x_\text{pivot}$	Distance from amidships (+ fwd)	m

Source: House - Ship Handling (4th ed.)

In short

Approximate pivot point location forward of amidships as a function of propeller thrust direction.

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