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 - Tractor Profile: Farmall M - by Staff. H so that mountable implements were interchaneable. The Farmall M was most popular with large-acreage row-crop farmers. It was powered by either a high-compression gas engine or a distillate version with lower compression. Options included the Lift-All hydraulic system, a belt pulley, PTO, rubber tires, starter, lights and a swinging drawbar. It could be ordered in the high-crop, wide-front or tricycle configurations. The high-crop version was called a Model MV.
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