{"id":378,"date":"2008-12-03T20:48:22","date_gmt":"2008-12-03T20:48:22","guid":{"rendered":"http:\/\/jpaerospace.com\/blog\/2008\/12\/03\/reaching-for-2-psi\/"},"modified":"2008-12-03T20:48:22","modified_gmt":"2008-12-03T20:48:22","slug":"reaching-for-2-psi","status":"publish","type":"post","link":"https:\/\/jpaerospace.com\/new_wordpress\/?p=378","title":{"rendered":"Reaching for 2 psi"},"content":{"rendered":"<p>With each test the rib changes. We&#8217;ve gone from multiple side access panels to drawstring end closures, narrowed the diameter of the inner cell, increased the overall ellipse circumference and a dozen other modifications. For the rib to act as an airbeam we need to get it to 2 psi. Now for the rocket guys that may sound like no pressure at all. For the balloon folks that is a huge number. The current configurations have gotten us just over 1 psi. Still a long, long way to go.<\/p>\n<p>In the last couple of days we&#8217;ve been building ridged end caps and a new fill and gauge interface. We&#8217;ll be reaching for the magic 2 psi tonight.<\/p>\n<p>Here&#8217;s some images from last Saturdays work session:<\/p>\n<p><a title=\"Rib testing\" class=\"imagelink\" href=\"https:\/\/jpaerospace.com\/new_wordpress\/wp-content\/uploads\/2008\/12\/Inflating_rig1.jpg\"><img decoding=\"async\" alt=\"Rib testing\" id=\"image379\" src=\"https:\/\/jpaerospace.com\/new_wordpress\/wp-content\/uploads\/2008\/12\/Inflating_rig1.thumbnail.jpg\" \/><\/a> <a title=\"Emmett and the rib\" class=\"imagelink\" href=\"https:\/\/jpaerospace.com\/new_wordpress\/wp-content\/uploads\/2008\/12\/Emmett_rib.jpg\"><img decoding=\"async\" alt=\"Emmett and the rib\" id=\"image380\" src=\"https:\/\/jpaerospace.com\/new_wordpress\/wp-content\/uploads\/2008\/12\/Emmett_rib.thumbnail.jpg\" \/><\/a><br \/>\nPaul and Emmett working on a rib.<\/p>\n<p><a title=\"Bob Making Parts\" class=\"imagelink\" href=\"https:\/\/jpaerospace.com\/new_wordpress\/wp-content\/uploads\/2008\/12\/bob_carving.jpg\"><img decoding=\"async\" alt=\"Bob Making Parts\" id=\"image381\" src=\"https:\/\/jpaerospace.com\/new_wordpress\/wp-content\/uploads\/2008\/12\/bob_carving.thumbnail.jpg\" \/><\/a> <a title=\"Reel testing\" class=\"imagelink\" href=\"https:\/\/jpaerospace.com\/new_wordpress\/wp-content\/uploads\/2008\/12\/reeltesting.jpg\"><img decoding=\"async\" alt=\"Reel testing\" id=\"image382\" src=\"https:\/\/jpaerospace.com\/new_wordpress\/wp-content\/uploads\/2008\/12\/reeltesting.thumbnail.jpg\" \/><\/a><br \/>\nBob and Anthony working on the reel.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>With each test the rib changes. We&#8217;ve gone from multiple side access panels to drawstring end closures, narrowed the diameter of the inner cell, increased the overall ellipse circumference and a dozen other modifications. For the rib to act as an airbeam we need to get it to 2 psi. Now for the rocket guys [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-378","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/jpaerospace.com\/new_wordpress\/index.php?rest_route=\/wp\/v2\/posts\/378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jpaerospace.com\/new_wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jpaerospace.com\/new_wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jpaerospace.com\/new_wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/jpaerospace.com\/new_wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=378"}],"version-history":[{"count":0,"href":"https:\/\/jpaerospace.com\/new_wordpress\/index.php?rest_route=\/wp\/v2\/posts\/378\/revisions"}],"wp:attachment":[{"href":"https:\/\/jpaerospace.com\/new_wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jpaerospace.com\/new_wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jpaerospace.com\/new_wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}