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Skegs and their Effects - Coggle Diagram
Skegs and their Effects
On tractor Tugs
Skeg aft
Course stability on free sailing ahead
Generates additional towing forces
as stern tug in indirect method
Brings Centre of pressure more aft
Other than tractor
Aft Skeg
Centreline
give course stability in free-sailing ahead
ASD and Reverse
Vertical skeg / box keel
just ahead of propeller
bring C more forward
Skeg at the bow
Increases course stability when sailing astern
Increases performance as stern tug in indirect mode
Azymuth tractor and Giano
Twin Skegs