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post #7 of Old 10-25-2011
bobperry
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I'm not keen on that "in the bilge" approach to water ballast. It makes a lot of sense for a boat that will live on a trailer but the VCG is just too high for it to me effective ballast. However, when you just increase the displacement of a boat and keep the added weight low you do get a higher Rm and part of this is due to the added hull volume youi get when you add the water ballast. Your initial stability will go up with the expanded waterplane.

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