{"id":1790,"date":"2010-11-06T05:58:05","date_gmt":"2010-11-06T05:58:05","guid":{"rendered":"http:\/\/jpaerospace.com\/blog\/?p=1790"},"modified":"2010-11-06T05:58:05","modified_gmt":"2010-11-06T05:58:05","slug":"bad-channels-and-bad-batteries","status":"publish","type":"post","link":"https:\/\/jpaerospace.com\/new_wordpress\/?p=1790","title":{"rendered":"Bad Channels and Bad Batteries"},"content":{"rendered":"<p>We&#8217;ve completed MHD Generator firings 10 , 11 and 12. Before we fire we&#8217;ll\u00a0 run a volt through the entire system as a control. There obviously was a short somewhere. I spent 40 minutes in violation of my own rule of troubleshooting. Always check power first. The battery I was using as a voltage source was dead out of the package. However in the all the troubleshooting we discover a channel dead on the A\/D converter on the data logger.<\/p>\n<p>After all that test run 10 was still a bust. We ran test 11 old school. Straight on a meter. That showed us what was wrong. Today with the fix in place we fired test 12 with great results.\u00a0 We&#8217;re going to fired it again in the same configuration to verify the results. Then we&#8217;re moving to the next electrode upgrade and we start all over again.<\/p>\n<p><a href=\"https:\/\/jpaerospace.com\/new_wordpress\/wp-content\/uploads\/2010\/11\/Mini_MHD_Test10.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-thumbnail wp-image-1802\" title=\"Mini_MHD_Test10\" src=\"https:\/\/jpaerospace.com\/new_wordpress\/wp-content\/uploads\/2010\/11\/Mini_MHD_Test10-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p>From test 11<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We&#8217;ve completed MHD Generator firings 10 , 11 and 12. Before we fire we&#8217;ll\u00a0 run a volt through the entire system as a control. There obviously was a short somewhere. I spent 40 minutes in violation of my own rule of troubleshooting. Always check power first. The battery I was using as a voltage source [&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-1790","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\/1790","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=1790"}],"version-history":[{"count":0,"href":"https:\/\/jpaerospace.com\/new_wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1790\/revisions"}],"wp:attachment":[{"href":"https:\/\/jpaerospace.com\/new_wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jpaerospace.com\/new_wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jpaerospace.com\/new_wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}