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The
two main jobs for tugs in the Panama Canal are to assist in entering
locks and to provide emergency steering while going through the Gaillard
Cut. Here the Esperanza is paying out her 2 inch Spectra line to the
ship it will be stern-tied to going through the Cut. |
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The
lines have been tied-off and the convoy is proceeding through the
Gaillard Cut. |
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This
is the Esperanza stern-tied to another ship coming back through
the cut towards Pedro Miguel Locks. |
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The
propwash of the Esperanza after the pilot has requested full
power to hold a ship against the lockwall after the mules have released
their lines. Note the significant current against the shore several
hundred feet away. |
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Four
electric locomotives, also known as mules, at each side of the ship
at the bow and stern pull the ship into the lock chambers. They then
maintain the ships position in the center of the chamber by letting
out or pulling in the lines as the water level changes. Notice the
small clearance between the ship's hull and the lock wall. The clearance
on the other side is the same. Note the Esperanza's line to
the lock wall that has to be adjusted as the water level changes. |
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The
propwash is very strong when the ship starts to move out of the lock.
The waves in this picture are about a foot high. The tug Gilberto
Guardia was tied to the Esperanza with a catamaran tied
to the other side of the Guardia. The three vessels had to
remain tied together until the ship had moved away and the propwash
abated. |
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The
catamaran has moved out and the Gilberto Guardia is ready to
cast off from the Esperanza. Note how far forward the red ship
has moved before the rafting of the tugs and catamaran is broken up. |
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Local
line handlers are brought on board ships as they transit the Canal
locks. For the Pedro Miguel and Miraflores Locks, they are brought
on-board at either Paraiso or Balbao depending upon the ship's direction
of travel. They are discharged at one of the same locations. |
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Crew
changes for tugs are handled by the same boats used for the line handlers.
Here the sunset shift (4 PM to midnight) for the Esperanza
is coming on-board. After short turn-over formalities, Captain
Flores and his day crew, as well as Guy and I, left on this same boat. |
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