{"id":146924,"date":"2022-09-24T03:24:53","date_gmt":"2022-09-24T08:24:53","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2022\/09\/multi-stage-ion-thruster-holds-exciting-promise"},"modified":"2022-09-24T03:24:53","modified_gmt":"2022-09-24T08:24:53","slug":"multi-stage-ion-thruster-holds-exciting-promise","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2022\/09\/multi-stage-ion-thruster-holds-exciting-promise","title":{"rendered":"Multi-Stage Ion Thruster Holds Exciting Promise"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/multi-stage-ion-thruster-holds-exciting-promise.jpg\"><\/a><\/p>\n<p>Anyone who\u2019s looked into high-voltage experiments is likely familiar with ion lifters \u2014 spindly contraptions made of wire and aluminum foil that are able to float above the workbench on a column of ionized air. It\u2019s an impressive trick that\u2019s been around since the 1950s, but the concept has yet to show any practical application as the thrust generated isn\u2019t nearly enough to lift a more substantial vehicle.<\/p>\n<p><iframe style=\"display: block; margin: 0 auto; width: 100%; aspect-ratio: 4\/3; object-fit: contain;\" src=\"https:\/\/www.youtube.com\/embed\/nrEBoPYS4ns?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>It\u2019s a <em>bit<\/em> early to suggest that [Jay Bowles] of <em>Plasma Channel<\/em> has finally found the solution to this fundamental shortcoming of electrostatic propulsion, but his recently completed <a href=\"https:\/\/www.youtube.com\/watch?v=nrEBoPYS4ns\" target=\"_blank\">multi-stage ion thruster certainly represents something of a generational leap<\/a> for the technology. By combining multiple pairs of electrodes and experimentally determining the optimal values for their spacing and operational voltage, he\u2019s been able to achieve a sustained exhaust velocity of 2.3 meters per second.<\/p>\n<p>While most ion thrusters are lucky to get a piece of paper fluttering for their trouble, [Jay] demonstrates his creation blowing out candles at a distance of a meter or more. But perhaps the most impressive quality of this build is the sound \u2014 unlike most of the <a href=\"https:\/\/hackaday.com\/2016\/07\/13\/expanding-horizons-with-the-ion-propelled-lifter\/\">experimental ion thrusters we\u2019ve seen<\/a>, the air flowing through this contraption actually makes an audible roaring sound. When the 45 kilovolt supply voltage kicks in it sounds like a hair drier, except here there\u2019s no moving parts involved.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anyone who\u2019s looked into high-voltage experiments is likely familiar with ion lifters \u2014 spindly contraptions made of wire and aluminum foil that are able to float above the workbench on a column of ionized air. It\u2019s an impressive trick that\u2019s been around since the 1950s, but the concept has yet to show any practical application [\u2026]<\/p>\n","protected":false},"author":661,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1514],"tags":[],"class_list":["post-146924","post","type-post","status-publish","format-standard","hentry","category-space-travel"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/146924","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/661"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=146924"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/146924\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=146924"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=146924"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=146924"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}