{"id":8324,"date":"2014-07-16T08:22:37","date_gmt":"2014-07-16T12:22:37","guid":{"rendered":"http:\/\/hobbyspace.com\/Blog\/?p=8324"},"modified":"2014-07-16T08:22:37","modified_gmt":"2014-07-16T12:22:37","slug":"isee-3-reboot-project-update-on-thruster-debugging-with-crowd-sourced-expertise","status":"publish","type":"post","link":"https:\/\/hobbyspace.com\/Blog\/?p=8324","title":{"rendered":"ISEE-3 Reboot Project: Update on thruster debugging with crowd-sourced expertise"},"content":{"rendered":"

I\u00a0posted\u00a0earlier<\/a> that the reports that the\u00a0ISEE-3 Reboot Project<\/a>\u00a0had given up on\u00a0restarting the propulsion system\u00a0were premature. Project member Dennis Wingo gives a detailed account of the crowd-sourced investigation\u00a0into what is going on with the thrusters and into\u00a0possible solutions to the failure to get substantial thrust from them:\u00a0<\/span>We Are Borg: Crowdsourced ISEE-3 Engineering and the Collective Mind of the Internet – Space College<\/a><\/p>\n

Corrective Action<\/em><\/strong><\/p>\n

There is a pretty good possibility now that we have pressure and or fuel in the tanks but that it is not getting to the propellant lines and out the thrusters. We are going to of course turn the +28 volts on this time! We will also open both valves on one of the fuel systems, the primary and redundant. We will also heat the tanks to see if we can see a rapid increase in temperature. If we see a rapid rise, that would indicate no fuel in the tanks (testing for all eventualities). There are several things we will do to test out and try propulsion to bleed all the gas out of the lines.<\/em><\/p>\n

What we could see would be not much activity and then toward the end of the pulses from the thrusters we could see propellant flow, temperature increase, and thrust!<\/em><\/p>\n

Cross your fingers. We will have a pass on July 16th at Arecibo, so we will soon find out what the outcome is.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

I\u00a0posted\u00a0earlier that the reports that the\u00a0ISEE-3 Reboot Project\u00a0had given up on\u00a0restarting the propulsion system\u00a0were premature. Project member Dennis Wingo gives a detailed account of the crowd-sourced investigation\u00a0into what is going on with the thrusters and into\u00a0possible solutions to the failure to get substantial thrust from them:\u00a0We Are Borg: Crowdsourced ISEE-3 Engineering and the Collective Mind … Continue reading ISEE-3 Reboot Project: Update on thruster debugging with crowd-sourced expertise<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[35,31,26],"tags":[],"class_list":["post-8324","post","type-post","status-publish","format-standard","hentry","category-diy-space","category-solar-science","category-space-systems"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p34aWK-2ag","jetpack-related-posts":[{"id":8510,"url":"https:\/\/hobbyspace.com\/Blog\/?p=8510","url_meta":{"origin":8324,"position":0},"title":"ISEE-3 citizen science mission","author":"TopSpacer","date":"August 7, 2014","format":false,"excerpt":"Since my\u00a0last post on\u00a0the\u00a0ISEE-3 Reboot Project, the team determined that it was impossible to restart the propulsion system\u00a0due to the absence of the nitrogen pressurant gas needed to force fuel into the thrusters. They spacecraft therefore cannot be put into an orbit in the Earth-Moon system and will instead continue\u2026","rel":"","context":"In "Solar Science"","block_context":{"text":"Solar Science","link":"https:\/\/hobbyspace.com\/Blog\/?cat=31"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":8184,"url":"https:\/\/hobbyspace.com\/Blog\/?p=8184","url_meta":{"origin":8324,"position":1},"title":"ISEE-3 Reboot Project – preparing for first thruster firing","author":"TopSpacer","date":"June 25, 2014","format":false,"excerpt":"The\u00a0ISEE-3 Reboot Project\u00a0is making progress towards resurrecting the\u00a0International Cometary Explorer\u00a0from its decades long hiatus in orbit around the sun. (See previous posts on the ISEE-3 reboot such as\u00a0here and here.)\u00a0Here is the news from yesterday:\u00a0ISEE-3 Status 24 June 2014: We Almost Did The Spin-up Burn - Space College During our\u2026","rel":"","context":"In "DIY space"","block_context":{"text":"DIY space","link":"https:\/\/hobbyspace.com\/Blog\/?cat=35"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":8237,"url":"https:\/\/hobbyspace.com\/Blog\/?p=8237","url_meta":{"origin":8324,"position":2},"title":"ISEE-3 engines fired successfully","author":"TopSpacer","date":"July 3, 2014","format":false,"excerpt":"Congratulations to the\u00a0ISEE-3 Reboot Project\u00a0team on successfully firing the thrusters of the 36 year old\u00a0International Cometary Explorer\u00a0to spin it back up: \u00a0ISEE-3 Engines Fired For Spin-Up - Space College Additional ISEE-3 Spin-up Confirmation - Space College ISEE-3 Current Location 3 July 2014 - Space College From Wednesday: Today we fired\u2026","rel":"","context":"In "DIY space"","block_context":{"text":"DIY space","link":"https:\/\/hobbyspace.com\/Blog\/?cat=35"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":8690,"url":"https:\/\/hobbyspace.com\/Blog\/?p=8690","url_meta":{"origin":8324,"position":3},"title":"ISEE-3 project update and plans","author":"TopSpacer","date":"August 29, 2014","format":false,"excerpt":"Dennis Wingo gives an update on the ISEE-3 reboot satellite\u00a0\u00a0project, including what it accomplished and what they hope to do next\u00a0:\u00a0ISEE-3 Post Lunar Flyby Status and Modification of Mission Goals - \u00a0denniswingo Mission Status Communication with the ISEE-3 satellite was successfully re-established with the goal of commanding the satellite to\u2026","rel":"","context":"In "DIY space"","block_context":{"text":"DIY space","link":"https:\/\/hobbyspace.com\/Blog\/?cat=35"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7537,"url":"https:\/\/hobbyspace.com\/Blog\/?p=7537","url_meta":{"origin":8324,"position":4},"title":"ISEE-3 Reboot Project – Help restart a sun-earth explorer","author":"TopSpacer","date":"April 27, 2014","format":false,"excerpt":"I've written about an effort to reconnect with the 36 year old\u00a0International Sun-Earth Explorers (ISSE)\u00a0spacecraft and direct it back to its original solar science mission: Reawakening and returning a 36 year old spacecraft to its original mission ICE\/ISEE-3 spacecraft signals picked up by amateur space radio buffs Dennis Wingo (Skycorp)\u00a0gives\u2026","rel":"","context":"In "Solar Science"","block_context":{"text":"Solar Science","link":"https:\/\/hobbyspace.com\/Blog\/?cat=31"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/TJw3XsmJIUs\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":7807,"url":"https:\/\/hobbyspace.com\/Blog\/?p=7807","url_meta":{"origin":8324,"position":5},"title":"ISSE-3 Reboot Project raises $125k + SpaceIL crowd-funding campaign","author":"TopSpacer","date":"May 15, 2014","format":false,"excerpt":"I wrote a post \u00a0back in April\u00a0about the private effort to\u00a0reconnect with the 36 year old\u00a0International Sun-Earth Explorers (ISSE)\u00a0spacecraft and direct it back to its original solar science mission. The crowd-funding campaign to raise $125,000 to get the project underway has been a success: ISEE-3 Reboot Project crowdfunding campaign RocketHub\u2026","rel":"","context":"In "DIY space"","block_context":{"text":"DIY space","link":"https:\/\/hobbyspace.com\/Blog\/?cat=35"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/m4D6pRT04PY\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/8324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8324"}],"version-history":[{"count":1,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/8324\/revisions"}],"predecessor-version":[{"id":8325,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/8324\/revisions\/8325"}],"wp:attachment":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}