Thinking about sinking. The harry ww hulls have watertight bulkheads just aft of the solid foam bows, at the beams and midway. Roughly speaking, the hulls are divided into 4 watertight compartments. Thus, if one is holed, the hull will lose 25% of it's buoyancy. If it drew 300mm/12" before the hole, it would draw 400mm/16" with one compartment flooded. ie the depth of water in the flooded compartment would be 400mm/16". Too much for a hole saw or electric tool, but possible with hand tools. Actually less due to the foam in the hulls and the hull flare, but this is near enough.
The lee hulls are similarly divided, but with an extra full height bulkhead between beam and end, so 7 compartments.
As to whether it would be better to be holed offshore or near shore, I would choose offshore. Near shore, if the problem is rocks or reef, the damage will likely get worse, and eventually you may have to abandon ship, which will probably be hazardous. Offshore, it is unlikely to get worse and you have plenty of time to think about a solution and implement it.
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Posted by: harryproa@gmail.com
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