Why Rudder is tested 35° on one side to 30° on other side ? | Imp Points

Hey guys, Why Rudder Angle 35° to 30° in not more than 28 seconds..? | Important Points Covered 🚢

[@parthivtandel2742]

conventional rudder designed such that more than 35 degrees angle the lift force which is responsible for turning the ships start reducing , not 45 degrees

[@flyingbird8469]

i cant understand ?