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This is a very interesting thread, with lots of useful information. There can be no doubt that DE is the wave of the future. If you look to the cruise industry, which has been a "Pioneer" in the use of DE with pods on many of their new vessels, the only drawback has been the failure of seals in the pods, allowing seawater to come in contact with the drive motors. Several ships were actually pulled out of service in order to correct this issues. The advantages are clear, but the practical aspect is that there still are some drawbacks. I am all for it, but it clearly needs more R &D.
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