{"id":33457,"date":"2011-04-03T15:42:56","date_gmt":"2011-04-03T15:42:56","guid":{"rendered":"http:\/\/euvolution.com\/futurist-transhuman-news-blog\/using-commercial-launchers-and-fuel-depots-instead-of-hlvs\/"},"modified":"2011-04-03T15:42:56","modified_gmt":"2011-04-03T15:42:56","slug":"using-commercial-launchers-and-fuel-depots-instead-of-hlvs","status":"publish","type":"post","link":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/nasa\/using-commercial-launchers-and-fuel-depots-instead-of-hlvs.php","title":{"rendered":"Using Commercial Launchers and Fuel Depots Instead of HLVs"},"content":{"rendered":"<p><a href=\"http:\/\/images.spaceref.com\/news\/2011\/F9Prop.Depot.pdf\">Near Term Space Exploration with Commercial Launch Vehicles Plus Propellant Depot<\/a>, Dr. Alan Wilhite and Dr. Douglas Stanley, Dale Arney and Chris Jones, GRAs Georgia Institute of Technology\/ National Institute of Aerospace<\/p><p><i>\"The Propellant Depot Hypotheses<\/i><\/p><p>*\tLarge in-space mission elements (inert) can be lifted to LEO in increments on several medium-lift commercial launch vehicles (CLVs) rather than on one Heavy Lift Launch Vehicles (HLLVs)<br>*\tThe heavy in-space transportation mission elements are beyond the payload capability of medium-lift CLVs; however, 80 to 90 percent of their mass is propellant that can be delivered in increments to a Propellant Depot and transferred to the in-space stages<br>*\tSaves DDT&amp;E costs of HLLV<br>*\tLow-flight-rate HLLV dominated by high unique fixed costs. Use of CLVs eliminates these costs and spreads lower fixed costs over more flights and other customers.<br>*\tUse of large re-fueled cryo stages save DDT&amp;E\/ops costs for advanced propulsion stages (e.g., SEP)\"<\/p><p>    <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/euvolution.com\/futurist-transhuman-news-blog\/wp-content\/plugins\/wp-o-matic\/cache\/5c2d9_6cy7s71AmLk\" height=\"1\" width=\"1\" style=\"padding-left:10px; padding-right: 10px;\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Near Term Space Exploration with Commercial Launch Vehicles Plus Propellant Depot, Dr. Alan Wilhite and Dr. Douglas Stanley, Dale Arney and Chris Jones, GRAs Georgia Institute of Technology\/ National Institute of Aerospace\"The Propellant Depot Hypotheses* Large in-space mission elements (inert) &hellip; <a href=\"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/nasa\/using-commercial-launchers-and-fuel-depots-instead-of-hlvs.php\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"limit_modified_date":"","last_modified_date":"","_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[20],"tags":[],"class_list":["post-33457","post","type-post","status-publish","format-standard","hentry","category-nasa"],"modified_by":null,"_links":{"self":[{"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/posts\/33457"}],"collection":[{"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/comments?post=33457"}],"version-history":[{"count":0,"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/posts\/33457\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/media?parent=33457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/categories?post=33457"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.euvolution.com\/futurist-transhuman-news-blog\/wp-json\/wp\/v2\/tags?post=33457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}