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abm:start [2023/09/28 15:21] – mtbtimeline | abm:start [2023/09/28 15:23] (current) – mtbtimeline |
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===== 1993 Berileum ===== | ===== 1993 Berileum ===== |
Frame produced by Brush-Wellman (([[https://case.edu/ech/articles/b/brush-wellman-inc|Brush-Wellman | Frame produced by Brush-Wellman (([[https://case.edu/ech/articles/b/brush-wellman-inc|Brush-Wellman]] |
was the world's largest producer of Beryllium((It has since changed its name to [[https://materion.com/|Materion]])), out of beryllium tubing and aluminum lugs. The frame weighed 2.5 pounds, where the lugs alone weighed 1.5 pounds. [[https://en.wikipedia.org/wiki/Beryllium|Beryllium]] is one of the most toxic elements and inhaling beryllium dust is often fatal. It is also one of the most expensive, at $469/pound((Wholesale prices from [[https://www.metal.com/search?keyword=beryllium&type=price|Shanghai Metals Market]] as of Sep 28, 2023.)). It is likely only two complete examples were produced. | was the world's largest producer of Beryllium. It has since changed its name to [[https://materion.com/|Materion]] )), out of beryllium tubing and aluminum lugs. The frame weighed 2.5 pounds, where the lugs alone weighed 1.5 pounds. [[https://en.wikipedia.org/wiki/Beryllium|Beryllium]] is one of the most toxic elements and inhaling beryllium dust is often fatal. It is also one of the most expensive, at $469/pound((Wholesale prices from [[https://www.metal.com/search?keyword=beryllium&type=price|Shanghai Metals Market]] as of Sep 28, 2023.)). It is likely only two complete examples were produced. |
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The beryllium tubes were made from rolled and welded sheet metal((Manufacturing info from [[https://bike.bikegremlin.com/11843/metallurgy-for-cyclists/|bikegremlin]].)). | The beryllium tubes were made from rolled and welded sheet metal((Manufacturing info from [[https://bike.bikegremlin.com/11843/metallurgy-for-cyclists/|bikegremlin]].)). |