The damaged Austrian battleship appears to be making no more than three or four knots despite its nominal 25-knot speed. The two British ships begin circling it. Their guns can remain trained at the same relative bearing as their hulls turn. The crippled opponent has to keep traversing its turrets to follow them.
Notable Point · 40:18-41:18
Circling a disabled battleship and keeping guns trained
A nearly stopped opponent shows how circling changes the turret movement each side needs to keep firing.