{"id":75855,"date":"2011-02-02T09:56:38","date_gmt":"2011-02-02T13:56:38","guid":{"rendered":"tag:www.nasa.gov:\/\/bb38b67db57ce95376d9d2a6191545fb"},"modified":"2011-02-02T09:56:38","modified_gmt":"2011-02-02T13:56:38","slug":"propellant-system-tests-scheduled-for-discovery","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=75855","title":{"rendered":"Propellant System Tests Scheduled for Discovery"},"content":{"rendered":"<p>Technicians at NASA Kennedy Space Center&#8217;s Launch Pad 39A will perform a liquid hydrogen\/liquid oxygen system functional and check today for space shuttle Discovery following its arrival at the pad yesterday morning. LH2 and LOX are used to fuel Discovery&#8217;s three main engines during the trip to orbit. <br \/>Techs attached the ground umbilical carrier plate and hydrogen gas vent line to Discovery&#8217;s external fuel tank yesterday. Alignment measurements were taken and are being  evaluated by engineers to make sure there&#8217;s a proper fit and won&#8217;t leak, as happened Nov. 5 which caused Discovery&#8217;s first launch attempt to be scrubbed. Leak tests are scheduled for  Friday. <br \/>At NASA&#8217;s Johnson Space Center in Houston, Discovery&#8217;s astronauts are conducting an integrated deorbit prep sim today in the fixed base simulator.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Technicians at NASA Kennedy Space Center&#8217;s Launch Pad 39A will perform a liquid hydrogen\/liquid oxygen system functional and check today for space shuttle Discovery following its arrival at the pad yesterday morning. LH2 and LOX are used to fuel Discovery&#8217;s three main engines during the trip to orbit. <br \/>Techs attached the ground umbilical carrier plate and hydrogen gas vent line to Discovery&#8217;s external fuel tank yesterday. Alignment measurements were taken and are being  evaluated by engineers to make sure there&#8217;s a proper fit and won&#8217;t leak, as happened Nov. 5 which caused Discovery&#8217;s first launch attempt to be scrubbed. Leak tests are scheduled for  Friday. <br \/>At NASA&#8217;s Johnson Space Center in Houston, Discovery&#8217;s astronauts are conducting an integrated deorbit prep sim today in the fixed base simulator.<\/p>\n","protected":false},"author":26,"featured_media":612598,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-75855","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-shuttle-update"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/75855","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=75855"}],"version-history":[{"count":0,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/75855\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/612598"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=75855"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=75855"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=75855"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}