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<p>[QUOTE=&quot;SuperDave, post: 2692087, member: 1892&quot;]A little of both, I think, but I see your point. From a mass standpoint, most of the planchet of course ends up towards the center where the most z-axis detail is concentrated. All the same, one has to assume that the field-field thickness is rather less than that of the original planchet - the only way to have enough metal present for the raised devices. Then we have to factor the rim gutter/rim itself and the reeding which is by definition slightly larger i diameter than the original planchet (or it wouldn&#039;t feed). This is the place where the actual final thickness of the coin is the greatest, so it&#039;ll stack. Note I didn&#039;t characterize this as the &quot;majority&quot; of the metal flow.</p><p><br /></p><p>And keep in mind, with many issues (the Nickel you posted being one of them) the shoulder is the highest point or one of them) on that face, and it&#039;s at the periphery. That&#039;s why Lincolns tend to be weak at the shoulder and the O of ONE on the reverse; too much demand for metal there.</p><p><br /></p><p>Which is why I want so badly to see a metal propagation study. Much metal flows towards the center, but there&#039;s plenty of stuff heading towards the periphery as well.[/QUOTE]</p><p><br /></p>

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