Originally posted by Bung-ee
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Th reason I would like to see more work done on the Dumas is because, if it works with a COP out of the range of experimental error, then what will happen if the Dumas is tuned as the Davey is tuned? The COP may sky rocket. This exercise will be tricky because the sphere is likely to have a resonant frequency considerably different to the hemisphere - but it might be possible to get dramatic improvements in COP.
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