Some of the ships have two turbines driving a single shaft and propeller, some have two shafts and propellers. The issue at hand is redundancy more than manoeverability. Ships are not allowed to transit the canal with a propulsion or steering casualty. With one of the two main engines down, if they were to lose the last remaining engine, they would be dead in the water. With both operational, if you lose one while in transit, you can get yourself to an anchorage for repairs.
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Today's Featured Article - Chores - by Frank Young. The ceaseless passing of time! It is at once our friend and our enemy. It measures our progress and it makes us old. Like most features of our life, few things are all good or all bad, and most such judgments depend on our own perspective or viewpoint. In our particular hobby, we enjoy the nostalgic return to the days of our youth as we recreate many of the scenes that took place on the family farm that served as the stage for the first few acts of the play that is our live
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