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#1
01-03-2005, 11:35 PM
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| scale effects Being the guy in boat school interested in designs like Trekka (John Guzzwells 20 footer) and mini transats and whatnot, I repeatedly heard about the scale effects of stability. I am wondering if this has to do with dynamics which we didn't study, rather than statics which we did. Thinking about reducing the loa of a 28 footer by 7% (26' - all other particulars equal) but don't have any real basis, other than the ominous echo of "scale effects on stability" to tell me whether this is a horridly bad idea. SH  |
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#2
01-06-2005, 03:26 AM
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| Take alook at Larsson & Similitude |
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#3
01-06-2005, 08:09 AM
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| From: "Principle of Yachtdesign" - Larsson & Eliasson According H.M. Barcla the scaling of a hull wil effect the BM and GM as follows: BM = L^0.72 GM = L^0.45 L being 'original lenght/proposed lenght' These relations depend to some extent on the basic model! Hope this answers your question.
__________________ Dutch Peter “The opinion of the majority is not necessarily correct” – Yi Qing Cui |
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