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Ken Barnes rescue pictures
tlindly wrote:
If you had read THIS thread, you would see that I not only DID read his website, but I cut and pasted info from his website wherein I show that he ALTERed his boat making it less stable. Yes, you read it but without the technical understanding to properly evaluate it. The weight represented by the bilge keels would have had an insignificant effect on stability. They were primarily devices to keep the boat upright in British anchorages that dry out at low tide. Their removal would, however, make the boat significantly less prone to the rollover by reducing the low drag that trips the boat against the force of the wave crest on the topsides. Possibly some loss of windward ability as well but this isn't always the case if the boat also has a center keel. Getting bilge keels exactly aligned with the flow is a black art and their drag can hurt windward performance more than their extra area decreases leeway. Bob Perry gave him excellent advice. The fine points of naval architecture are one thing. The suggestion that this was an insurance scam betrays a lack of common sense and the nature of marine insurance rates that makes it hard for me to believe the person who suggested it ever had occasion to buy insurance for a yacht. -- Roger Long |
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