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Old 02-17-2019, 11:40 AM
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Rodger Knox Rodger Knox is offline
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I agree with Charles, except I believe it's more for resistance to cracking, the increase in strength is not that significant. The exception to that is the Larsen Brothers design of a 12' cylindrical radius for the top, which would be much stiffer longitudinally than the typical 20'+ spherical radius. Which is more important is not really a point worth debating.
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