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Forward Tugs towing on line - Coggle Diagram
Forward Tugs towing on line
Any tug
able to assist on turn
Move from one side to other
Tractor
easy
Conventional
takes longer
keep tight line
Creating sideways forces
Tractor
LESS efficient
needs power sideways
opposite direction of towing
resist water flow
more in line with towing line
Conventional
More in line with flow
power sideways
same direction of towing
increases tow force
Use hydro forces
into the hull
to assist in the pulling
Effectiveness
Tractor
Decrease with speed
Conventional
Increase with
angle BTW ship bow and towline
