{"id":759,"date":"2016-03-10T14:48:11","date_gmt":"2016-03-10T14:48:11","guid":{"rendered":"http:\/\/heidib.me\/cyclotron\/?page_id=759"},"modified":"2016-03-10T14:48:11","modified_gmt":"2016-03-10T14:48:11","slug":"19-inch-cyclotron-magnet-restoration","status":"publish","type":"page","link":"http:\/\/koethcyclotron.org\/?page_id=759","title":{"rendered":"19 Inch Cyclotron Magnet Restoration"},"content":{"rendered":"

Here we go again...<\/i><\/span><\/p>\n

We are never done! Introducing out latest cyclotron project - a 19.5 inch cyclotron.<\/span>
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Fig. 1 The vision (by Tim & Tim).<\/p>\n

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Fig. 2 Our progress towards the vision.<\/p><\/div>\n

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Fig. 3 We started with this old 12,000 pound magnet from 1947.<\/p><\/div>\n

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Fig. 4 Split the yoke into its two halves to remove the coils.<\/p><\/div>\n

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Fig. 5 Taking the coils off.<\/p><\/div>\n

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Fig. 6 Taking the coils off.<\/p><\/div>\n

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Fig. 7 Taking the coils off.<\/p><\/div>\n

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Fig. 8 The coils are off to reveal a solid yoke\/pole tip assembly.<\/p><\/div>\n

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Fig. 9 A close up.<\/p><\/div>\n

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Fig. 10 Onto the next half.<\/p><\/div>\n

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Fig. 11 Set side-by-side\u00a0<\/b><\/b><\/p><\/div>\n

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Fig. 12 Coil inspection.<\/p><\/div>\n

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Fig. 13 It does not look good.<\/p><\/div>\n

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Fig. 14 This coil weighs 1,000 lbs.<\/p><\/div>\n

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Fig. 15 Against the 12-inch magnet for comparison.<\/p><\/div>\n

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Fig. 16 Electrically, they test fine.<\/p><\/div>\n

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Fig. 17 They clean up nice too, but the cooling lines...<\/p><\/div>\n

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Fig. 18 Making the magnet table.<\/p><\/div>\n

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Fig. 19 Four-inch square tubing<\/p><\/div>\n

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Fig. 20 Enie's welds<\/p><\/div>\n

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Fig. 21 The frame coming together nicely.<\/p><\/div>\n

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Fig. 22 The table is done!<\/p><\/div>\n

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Fig. 23 Three proud amigos<\/p><\/div>\n

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Fig. 24 The magnet yoke upon the table.<\/p><\/div>\n

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Fig. 25 The magnet air gap is 3-inches<\/p><\/div>\n

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Fig. 26 This is the Harvard 95-inch cyclotron, compare it to the next photo.<\/p><\/div>\n

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Fig. 27 Amazing, no? Our 19-inch cyclotron magnet was delivered by GE in Oct 1947, the Harvard magnet was delivered by GE two months later<\/p><\/div>\n

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Fig. 28 Tim, Tim the elder, T<\/p><\/div>\n

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Fig. 29 Tim, Tim the younger, t<\/p><\/div>\n

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Here we go again... We are never done! Introducing out latest cyclotron project - a 19.5 inch cyclotron. Fig. 1 The vision (by Tim & Tim).                 \u00a0     \u00a0        <\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"spay_email":""},"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P6SHXY-cf","_links":{"self":[{"href":"http:\/\/koethcyclotron.org\/index.php?rest_route=\/wp\/v2\/pages\/759"}],"collection":[{"href":"http:\/\/koethcyclotron.org\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/koethcyclotron.org\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/koethcyclotron.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/koethcyclotron.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=759"}],"version-history":[{"count":3,"href":"http:\/\/koethcyclotron.org\/index.php?rest_route=\/wp\/v2\/pages\/759\/revisions"}],"predecessor-version":[{"id":762,"href":"http:\/\/koethcyclotron.org\/index.php?rest_route=\/wp\/v2\/pages\/759\/revisions\/762"}],"wp:attachment":[{"href":"http:\/\/koethcyclotron.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}