Originally posted by hptmurphy
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We also have a measured mile down off Baltimore/ Cape Clear and as had been said, once off, achieved speeds are rarely demanded during normal routine service. It must be understood that a ship's operational deadweight is a lot heavier than that used during trials. All weight added is paid for by a reduction in speed or more horses from the machinery.
Setanta did, and her modern sister still attends to buoys, renewing moorings using ship type anchor cables, installing batteries, touching up paintwork etc. They also attend Island lighthouses to top up oil and drinking water. The helicopter does sorties to transfer personnel in and out on short term maintenance missions.
Setanta's hold was empty in my time, and 400 tons couldn't be replaced by liquids such as seawater. We should have tried solid ballast as increased draft would have helped to keep the propeller in the water. There was reluctance to put junk in the ship.
I know this stuff doesn't belong in this thread but history is fun.
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