{"id":92,"date":"2006-10-10T14:49:27","date_gmt":"2006-10-10T21:49:27","guid":{"rendered":"http:\/\/www.sammich.org\/hurr\/?p=92"},"modified":"2006-10-10T14:49:27","modified_gmt":"2006-10-10T21:49:27","slug":"why-didnt-i-think-of-this-sooner-part-2-off-grid-electric-boogaloo","status":"publish","type":"post","link":"http:\/\/www.sammich.org\/hurr\/?p=92","title":{"rendered":"why didn&#8217;t i think of this sooner part 2: off-grid electric boogaloo"},"content":{"rendered":"<p>TO DO:<\/p>\n<ol>\n<li>Determine power requirements<\/li>\n<ul>\n<li>obtain kill-a-watt<\/li>\n<li>investigate lower-powered computron<\/li>\n<li>investigate DC-only computer power supplies (why invert DC to AC, send to computron&#8217;s PSU to rectify back to DC?)\n<li>make sure you can make DC-DC convertrix for router &#038; VOIP bawx<\/li>\n<\/ul>\n<li>Determine off-grid power sources<\/li>\n<ul>\n<li><strong>solar<\/strong><\/li>\n<ul>\n<li>Costco has 60W solar kit (4 x 15W, inverter, charge controller) for $300, best deal I&#8217;ve yet seen (item 120841)<\/li>\n<\/ul>\n<\/ul>\n<ul>\n<li><strong>wind<\/strong><\/li>\n<ul>\n<li>microturbine plans available all over the interweb, could build for cheap<\/li>\n<li>requires magnets, good ones ain&#8217;t cheap<\/li>\n<\/ul>\n<\/ul>\n<ul>\n<li><strong>other<\/strong><\/li>\n<ul>\n<li>picked up exercise bike off craigslist for $15<\/li>\n<li>needs higher gearing, heavier flywheel<\/li>\n<li>determine wheel speed range &#8211; borrow optical tachometer?<\/li>\n<li>use wheel speed to determine take-off rotary speed, match to permanent magnet DC motor (ASS has fer cheap)<\/li>\n<\/ul>\n<\/ul>\n<li>Determine power storage<\/li>\n<ul>\n<li><a href=\"http:\/\/www.sciplus.com\">ASS<\/a> has 48AH 12V deep cycle batteries for ~$40<\/li>\n<\/ul>\n<li>Proof of concept<\/li>\n<ul>\n<li>run crapbox (spare POS) off system for 1 month (minimum) to ensure 100% uptime, perhaps use logging system to measure battery voltage<\/li>\n<li>wintertime solar measurements should be worst-case scenario<\/li>\n<ul>\n<li>solar plus bike provide enough power during the winter? GOOD DAMN QUESTION.<\/li>\n<\/ul>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>TO DO: Determine power requirements obtain kill-a-watt investigate lower-powered computron investigate DC-only computer power supplies (why invert DC to AC, send to computron&#8217;s PSU to rectify back to DC?) make sure you can make DC-DC convertrix for router &#038; VOIP bawx Determine off-grid power sources solar Costco has 60W solar kit (4 x 15W, inverter, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"_links":{"self":[{"href":"http:\/\/www.sammich.org\/hurr\/index.php?rest_route=\/wp\/v2\/posts\/92"}],"collection":[{"href":"http:\/\/www.sammich.org\/hurr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.sammich.org\/hurr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.sammich.org\/hurr\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.sammich.org\/hurr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=92"}],"version-history":[{"count":0,"href":"http:\/\/www.sammich.org\/hurr\/index.php?rest_route=\/wp\/v2\/posts\/92\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.sammich.org\/hurr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=92"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.sammich.org\/hurr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=92"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.sammich.org\/hurr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=92"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}