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<p>[QUOTE="Conder101, post: 920850, member: 66"]But weight tolerances for the planchets are greater than the slight differences in the 1.069 to 1.084 figures.</p><p><br /></p><p>The copper nickel clad dollar can range from 21.773 to 23.587 and the silver clad can range from 23.608 to 25.576</p><p><br /></p><p>So the variation of CuNi/Ag coins within standard tolerances can vary from 1.0009 to 1.174 </p><p><br /></p><p>So since we know a silver planchet is 7% heavier than a CuNi planchet of the exact same size, just how much thicker would it have to be to weigh say 10% more?</p><p><br /></p><p>Now the surface area of the face of an Ike planchet is 11.40 square cm. The volume at 24.592 grams is 2.58 cubic cm so the thickness of the planchet would be .226 cm or 2.26 mm. So if it was 10% heavier than a CuNi clad dollar it would weigh 24.948 grams, would contain 2.62 cubic cm and would be 2.29 mm thick or .03 mm thicker or about 1/1000 of an inch thicker. This is not something you are going to be able to see and judge by eye.</p><p><br /></p><p>Even at the MAXIMUM weigh allowed by tolerance, the planchet would only be 2.35 mm or .09 mm thicker or 4/1000th's of an inch. This is about the average diameter of a human hair.[/QUOTE]</p><p><br /></p>
[QUOTE="Conder101, post: 920850, member: 66"]But weight tolerances for the planchets are greater than the slight differences in the 1.069 to 1.084 figures. The copper nickel clad dollar can range from 21.773 to 23.587 and the silver clad can range from 23.608 to 25.576 So the variation of CuNi/Ag coins within standard tolerances can vary from 1.0009 to 1.174 So since we know a silver planchet is 7% heavier than a CuNi planchet of the exact same size, just how much thicker would it have to be to weigh say 10% more? Now the surface area of the face of an Ike planchet is 11.40 square cm. The volume at 24.592 grams is 2.58 cubic cm so the thickness of the planchet would be .226 cm or 2.26 mm. So if it was 10% heavier than a CuNi clad dollar it would weigh 24.948 grams, would contain 2.62 cubic cm and would be 2.29 mm thick or .03 mm thicker or about 1/1000 of an inch thicker. This is not something you are going to be able to see and judge by eye. Even at the MAXIMUM weigh allowed by tolerance, the planchet would only be 2.35 mm or .09 mm thicker or 4/1000th's of an inch. This is about the average diameter of a human hair.[/QUOTE]
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