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Fendering - Coggle Diagram
Fendering
Factors influencing choice
Push by
Bow
Stern
Tug engine power
Size of contact area
Type of vessels assisted
Environmental conditions
Tug bow and stern construction
Large coefficient of Friction
Keep bow/stern
in position
avoid early damage
Top layer
UHMW polyethylene
low friction
approx 0,15
approx 0,8
Handling submarines and Aircraft carrier
Underwater fendering
Fendering on top of wheelhouse
Material
Usually Polyurethane
Height above water
Higher height
higher heeling moment
ASD tugs
Propulsion Unit Protective Spoonsons
ensure nozzles do not touch submarine