{"id":1372,"date":"2010-03-02T00:05:18","date_gmt":"2010-03-02T06:05:18","guid":{"rendered":"http:\/\/www.spaceelevatorblog.com\/?p=1372"},"modified":"2010-03-02T00:05:22","modified_gmt":"2010-03-02T06:05:22","slug":"one-of-the-problems-we-had-last-year-was-wind-induced-oscillation","status":"publish","type":"post","link":"https:\/\/www.spaceelevatorblog.com\/?p=1372","title":{"rendered":"&#8220;One of the problems we had last year was wind-induced oscillation&#8230;&#8221;"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"\/media\/BJCLogo.gif\" class=\"alignleft\" width=\"112\" height=\"95\"  \/>The <a href=\"http:\/\/www.bitterjester.com\" target=\"_blank\">Chicago Video Production<\/a> company, Bitter Jester Creative, Inc., the &#8220;official video chronicler&#8221; of the Space Elevator Games, has some updated and some new video clips available.\u00a0 The sound is in stereo, too&#8230;<\/p>\n<p>Check out <a href=\"http:\/\/www.bitterjester.com\/hd-video-production\/documentaries.aspx?g=4\" target=\"_blank\">this page<\/a> to view them.\u00a0 All of them are of the very high quality that we have come to expect from this talented and dedicated group.<\/p>\n<p>Nic DeGrazia, one of the members of this group, sent me this email about these clips:<\/p>\n<blockquote><p><em>Hello Elevator Boys!<\/em><\/p>\n<p><em>I sent you the crane building vid for your enjoyment but I thought I&#8217;d let you know that I added that clip (with a nicer fade at the start) and two others (one that you&#8217;ve seen, where Ben explains the space elevator on the white board and another new one &#8230; UBC delicately polishing their solar cells before the wind whips their climber around) to the BJC site as well.<\/em><\/p>\n<p><em>Check out this page on our new(!) website to see the clips in question&#8230;<\/em><\/p>\n<p><em>-Nic<\/em><\/p><\/blockquote>\n<p>The title of this post was a quote from Ben Shelef (in the video clip &#8216;<em>Building the crane<\/em>&#8216;) talking about how the redesign of the raceway would, hopefully, dampen the oscillations in the tether caused by the wind.\u00a0 Alas, this tether failed during the competition (described <a href=\"http:\/\/www.spaceelevatorblog.com\/?p=839\" target=\"_blank\">here<\/a> and <a href=\"http:\/\/www.spaceelevatorblog.com\/?p=842\" target=\"_blank\">here<\/a>) due to those pesky oscillations, and was a primary reason why Ben moved to a steel cable (which performed spectacularly well) in the 2009 Games.\u00a0 This was just one of those things that you don&#8217;t know if it&#8217;s going to work or not until you try it.<\/p>\n<p>Watching these clips of the 2007 Games brought back a lot of memories &#8211; most of them good, but some of them sad.\u00a0 The weather really was a handicap in this event; lots of rain, lots of wind and even some snow and hail for good measure.<\/p>\n<p><a href=\"\/media\/2007SEGames\/20071021\/DSC00305.JPG\"><img decoding=\"async\" src=\"\/media\/2007SEGames\/20071021\/tn_DSC00305.JPG\" class=\"alignleft\" border=\"0\"  \/><\/a>I enjoyed watching all of these videos, but the one showing the UBC Climber was, IMHO, particularly fascinating.\u00a0 At the end of the clip, you can see how the wind just played havoc with everything, the tether and the climbers. The picture thumbnail of the UBC Climber, reflected off of their gigantic mirrors, was truly a video highlight of the Games.\u00a0 Click on the thumbnail for a full-size version of the picture.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Chicago Video Production company, Bitter Jester Creative, Inc., the &#8220;official video chronicler&#8221; of the Space Elevator Games, has some updated and some new video clips available.\u00a0 The sound is in stereo, too&#8230; Check out this page to view them.\u00a0 All of them are of the very high quality that we have come to expect [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,6,4],"tags":[],"class_list":["post-1372","post","type-post","status-publish","format-standard","hentry","category-interviews-presentations","category-news-announcements","category-spaceelevatorcompetitions"],"_links":{"self":[{"href":"https:\/\/www.spaceelevatorblog.com\/index.php?rest_route=\/wp\/v2\/posts\/1372","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=1372"}],"version-history":[{"count":0,"href":"https:\/\/www.spaceelevatorblog.com\/index.php?rest_route=\/wp\/v2\/posts\/1372\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.spaceelevatorblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1372"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.spaceelevatorblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1372"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.spaceelevatorblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1372"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}