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when the sides of a pontoon are verticle, BM(distance between center of buoyancy and metacenter) is given by I/V

As well as for a small angle that expression is true. But when the heel angle increases what heppens to the BM?

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  • $\begingroup$ A diagram would help here. $\endgroup$
    – Solar Mike
    Mar 14 '19 at 15:24
  • $\begingroup$ What happens is we quit calling a metacentric height because that defaults to zero heel (and "height" becomes a bit ambiguous when dealing with multiple heeled states). When running a heel trace, you get a curve tracing the metacenter. You use the waterplane as heeled to get the appropriate I, which is the second moment of area of the waterplane. $\endgroup$
    – Phil Sweet
    Mar 14 '19 at 22:15
  • $\begingroup$ And closevoters, there is nothing unclear about what he is asking if you know what a metacentric height is. However, I think we need a marine engineering tag. $\endgroup$
    – Phil Sweet
    Mar 14 '19 at 22:23

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