{"id":775,"date":"2007-10-14T22:55:25","date_gmt":"2007-10-15T03:55:25","guid":{"rendered":"http:\/\/www.spaceelevatorblog.com\/?p=775"},"modified":"2007-10-15T01:26:13","modified_gmt":"2007-10-15T06:26:13","slug":"2007-space-elevator-games-entry-8","status":"publish","type":"post","link":"https:\/\/www.spaceelevatorblog.com\/?p=775","title":{"rendered":"2007 Space Elevator Games &#8211; (Entry 8)"},"content":{"rendered":"<p><a href=\"\/media\/2007SEGames\/2071014\/DSC00011.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" width=\"200\" src=\"\/media\/2007SEGames\/20071014\/tn_DSC00011.jpg\"  height=\"113\" style=\"width: 200px; height: 113px\" \/><\/a>USST found itself in the position of having to make a new collector array.\u00a0 The cells in this array needed to be mounted on\u00a0a composite &#8220;sandwich&#8221; of several materials which had to be bonded together.\u00a0 They needed a flat surface to place the sandwich on and then had to be able to <a href=\"\/media\/2007SEGames\/20071014\/DSC00012.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright\" width=\"200\" src=\"\/media\/2007SEGames\/20071014\/tn_DSC00012.jpg\"  height=\"113\" style=\"width: 200px; height: 113px\" \/><\/a>put a large amount of pressure on the sandwich to make sure that the adhesives used would bond properly.\u00a0 They initially asked permission to use one of the steel plates (shown in Entry 2), but this didn&#8217;t work out because it would have been extremely difficult to place this weight on top of the sandwich in a manner which would have slowly and evenly increased the pressure.<\/p>\n<p><a href=\"\/media\/2007SEGames\/20071014\/DSC00013.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" width=\"200\" src=\"\/media\/2007SEGames\/20071014\/tn_DSC00013.jpg\"  height=\"113\" style=\"width: 200px; height: 113px\" \/><\/a>The solution they came up with was ingenious &#8211; once the sandwiches were &#8220;made&#8221;, they stacked them on top of each other and\u00a0put a couple of sheets of plywood on top (to even out the pressure).\u00a0 They then put a\u00a0large pail of water onto the center of the sandwich\u00a0and then surrounded the pail <a href=\"\/media\/2007SEGames\/20071014\/DSC00014.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright\" width=\"200\" src=\"\/media\/2007SEGames\/20071014\/tn_DSC00014.jpg\"  height=\"113\" style=\"width: 200px; height: 113px\" \/><\/a>with\u00a0four large garbage cans, one at each corner.\u00a0 They then slowly and evenly filled\u00a0the garbage cans with water until there was more than a half-ton of pressure; enough to make the bonds solid.<\/p>\n<p>As I said, ingenious.\u00a0 All the materials were on hand and cost them nothing.<\/p>\n<p>[youtube]http:\/\/www.youtube.com\/watch?v=LwV-eWocrOY[\/youtube]<\/p>\n<p>.<\/p>\n<p>(Note the overexposed portions of the team member&#8217;s uniforms.\u00a0 This is reflective tape which reflected the\u00a0light from my camcorder&#8217;s flash unit.\u00a0 Click on the thumbnails for a larger version of the picture)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>USST found itself in the position of having to make a new collector array.\u00a0 The cells in this array needed to be mounted on\u00a0a composite &#8220;sandwich&#8221; of several materials which had to be bonded together.\u00a0 They needed a flat surface to place the sandwich on and then had to be able to put a large [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-775","post","type-post","status-publish","format-standard","hentry","category-spaceelevatorcompetitions"],"_links":{"self":[{"href":"https:\/\/www.spaceelevatorblog.com\/index.php?rest_route=\/wp\/v2\/posts\/775","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.spaceelevatorblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.spaceelevatorblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.spaceelevatorblog.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.spaceelevatorblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=775"}],"version-history":[{"count":0,"href":"https:\/\/www.spaceelevatorblog.com\/index.php?rest_route=\/wp\/v2\/posts\/775\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.spaceelevatorblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=775"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.spaceelevatorblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=775"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.spaceelevatorblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}