{"id":424743,"date":"2026-05-09T23:31:18","date_gmt":"2026-05-09T13:31:18","guid":{"rendered":"https:\/\/simpleflying.com\/why-worlds-1st-hydrogen-powered-hypersonic-jet-could-fly-12-times-speed-sound\/"},"modified":"2026-05-09T23:31:18","modified_gmt":"2026-05-09T13:31:18","slug":"why-the-worlds-1st-hydrogen-powered-hypersonic-jet-could-fly-at-12-times-the-speed-of-sound","status":"publish","type":"post","link":"https:\/\/www.vibewire.com.au\/?p=424743","title":{"rendered":"Why The World\u2019s 1st Hydrogen-Powered Hypersonic Jet Could Fly At 12 Times The Speed Of Sound"},"content":{"rendered":"<p>An aircraft running on hydrogen that races through the upper atmosphere at speeds exceeding twelve times the speed of sound might seem like a fantasy reserved exclusively for science fiction. That, however, is the promise behind the Australian Hypersonix Launch Systems&#8217; DART AE demonstrator, a small and uncrewed vehicle that is built around the SPARTAN scramjet, a completely new kind of engine. The immediate objective of this development <span class=\"display-card-hyperlink display-card-hyperlink-no-vignette\" data-id=\"116318\"style=\";  ;\" class=\"display-card-hyperlink display-card-hyperlink-no-vignette\"><a href=\"https:\/\/simpleflying.com\/tag\/program\/\"  >program<\/a><\/span> is not to make this aircraft a vehicle for passenger travel.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This aircraft could offer some impressive capabilities.<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[396,871,5214,423],"tags":[],"class_list":["post-424743","post","type-post","status-publish","format-standard","hentry","category-aircraft","category-future","category-hypersonic","category-united-states"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/posts\/424743","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=424743"}],"version-history":[{"count":1,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/posts\/424743\/revisions"}],"predecessor-version":[{"id":424744,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/posts\/424743\/revisions\/424744"}],"wp:attachment":[{"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=424743"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=424743"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=424743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}