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- Angle_of_loll abstract "Angle of loll is the state of a ship that is unstable when upright (i.e. has a negative metacentric height, GMt) and therefore takes on an angle of heel to either port or starboard.When a vessel has negative GM i.e., is in unstable equilibrium, any external force applied to the vessel will cause it to start heeling. As it heels, the moment of inertia of the vessel's waterplane (a plane intersecting the hull at the water's surface) increases, which increases the vessel's BM (distance from the center of buoyancy to the metacenter). Since there is relatively little change in KB (distance from the keel to the center of buoyancy) of the vessel, the KM (distance from keel to the metacenter) of the vessel increases.At some angle of heel (say 10°), KM will increase sufficiently equal to KG (distance from the keel to the center of gravity), thus making GM of vessel equal to zero. When this occurs, the vessel goes to neutral equibrium, and the angle of heel at which it happens is called angle of loll.In other words, when an unstable vessel heels over towards a progressively increasing angle of heel, at a certain angle of heel, the center of buoyancy (B) may fall vertically below the center of gravity (G). Angle of list should not be confused with angle of loll. Angle of list is caused by unequal loading on either side of center line of vessel.Although a vessel at angle of loll does display features of stable equilibrium, this is an extremely dangerous situation, and rapid remedial action is required to prevent the vessel from capsizing.It is often caused by the influence of a large free surface or the loss of stability due to damaged compartments. It is different from list in that the vessel is not induced to heel to one side or the other by the distribution of weight, it is merely incapable of maintaining a zero heel attitude.".
- Angle_of_loll thumbnail Loll.jpg?width=300.
- Angle_of_loll wikiPageID "7321377".
- Angle_of_loll wikiPageRevisionID "594782957".
- Angle_of_loll hasPhotoCollection Angle_of_loll.
- Angle_of_loll subject Category:Engineering_concepts.
- Angle_of_loll subject Category:Naval_architecture.
- Angle_of_loll subject Category:Ship_measurements.
- Angle_of_loll type Abstraction100002137.
- Angle_of_loll type Cognition100023271.
- Angle_of_loll type Concept105835747.
- Angle_of_loll type Content105809192.
- Angle_of_loll type EngineeringConcepts.
- Angle_of_loll type Idea105833840.
- Angle_of_loll type PsychologicalFeature100023100.
- Angle_of_loll comment "Angle of loll is the state of a ship that is unstable when upright (i.e. has a negative metacentric height, GMt) and therefore takes on an angle of heel to either port or starboard.When a vessel has negative GM i.e., is in unstable equilibrium, any external force applied to the vessel will cause it to start heeling.".
- Angle_of_loll label "Angle of loll".
- Angle_of_loll sameAs m.025z2t9.
- Angle_of_loll sameAs Q4763362.
- Angle_of_loll sameAs Q4763362.
- Angle_of_loll sameAs Angle_of_loll.
- Angle_of_loll wasDerivedFrom Angle_of_loll?oldid=594782957.
- Angle_of_loll depiction Loll.jpg.
- Angle_of_loll isPrimaryTopicOf Angle_of_loll.
