{"id":137,"date":"2009-01-05T20:05:21","date_gmt":"2009-01-06T01:05:21","guid":{"rendered":"http:\/\/freemansgarage.com\/blog\/?p=137"},"modified":"2019-09-16T22:03:57","modified_gmt":"2019-09-17T02:03:57","slug":"homemade-wind-turbine-and-charge-controller","status":"publish","type":"post","link":"https:\/\/www.freemansgarage.com\/index.php\/2009\/01\/05\/homemade-wind-turbine-and-charge-controller\/","title":{"rendered":"Homemade Wind Turbine"},"content":{"rendered":"<div id=\"apDiv5\">It&#8217;s not finished yet so here are some images of what I have done so far. When I am finished, I will do a much better write up of how I made everything.<br \/>\nThe goal is to be able to get 100-200 Watts of power to charge my 12v battery bank in my camper when I am camping off the grid. I could use a generator but what fun is that?<br \/>\nSolar is an option however it is very expensive for even small panels.<\/div>\n<div><\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1326 size-full alignnone\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/generator1.jpg\" alt=\"\" width=\"400\" height=\"300\" \/><\/p>\n<p>The generator is a 90 Volt 1750rpm DC Motor I found laying around.<\/p>\n<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1327 size-full alignnone\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/hub1.jpg\" alt=\"\" width=\"400\" height=\"300\" \/><\/p>\n<p>This is a flywheel off the same motor. I drilled holes to mount the blades.<\/p>\n<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1328 size-full\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/Blades1.jpg\" alt=\"\" width=\"500\" height=\"375\" \/><\/p>\n<p>The blades are made out of 6&#8243; PVC pipe. I won&#8217;t go into detail yet but here is the site where I got the blade info from. <a href=\"http:\/\/www.mdpub.com\/Wind_Turbine\/index.html\">http:\/\/www.mdpub.com\/Wind_Turbine\/index.html<\/a> This guy has a really nice site and I am following his plans fairly closely.<br \/>\nUpdate 01-10-09<br \/>\nHere are some more pics. I have not tested it yet but the temperorary stand is built and the wind vane on the back is done. It&#8217;s all ready to go.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1329 size-full\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/P1011000920low20res1.jpg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1330 size-full\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/P101000620low20res1.jpg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p>I used a 1&#8243; pipe inside a 1-1\/4&#8243; pipe for the thrust bearing for now.<\/p>\n<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1331 size-full\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/P1011001020low20res1.jpg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p>Aluminum tent pole for the tail support. I drilled the wood block so it would fit.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1332 size-full\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/P1011001120low20res1.jpg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p>Plywood for the tail.<br \/>\nUpdate 01-13-09 New Video<br \/>\n<script type=\"text\/javascript\">\/\/ <![CDATA[\n\/\/ <![CDATA[ AC_AX_RunContent( 'width','425','height','344','hspace','160','src','http:\/\/www.youtube.com\/v\/AkVW3UZmsx0&#038;hl=en&#038;fs=1','type','application\/x-shockwave-flash','allowscriptaccess','always','allowfullscreen','true','movie','http:\/\/www.youtube.com\/v\/AkVW3UZmsx0&#038;hl=en&#038;fs=1' ); \/\/end AC code\n\/\/ ]]><\/script><object width=\"425\" height=\"344\" classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http:\/\/download.macromedia.com\/pub\/shockwave\/cabs\/flash\/swflash.cab#version=6,0,40,0\"><param name=\"src\" value=\"http:\/\/www.youtube.com\/v\/AkVW3UZmsx0&amp;hl=en&amp;fs=1\" \/><param name=\"allowfullscreen\" value=\"true\" \/><embed type=\"application\/x-shockwave-flash\" src=\"http:\/\/www.youtube.com\/v\/AkVW3UZmsx0&amp;hl=en&amp;fs=1\" allowfullscreen=\"allowfullscreen\" width=\"425\" height=\"344\" \/><\/object><noscript><span class=\"mceItemObject\"  width=\"425\" height=\"344\" hspace=\"160\"><br \/>\n<span  name=\"movie\" value=\"http:\/\/www.youtube.com\/v\/AkVW3UZmsx0&#038;hl=en&#038;fs=1\" class=\"mceItemParam\"><\/span><\/param><span  name=\"allowFullScreen\" value=\"true\" class=\"mceItemParam\"><\/span><\/param><span  name=\"allowscriptaccess\" value=\"always\" class=\"mceItemParam\"><\/span><\/param><span class=\"mceItemEmbed\"  src=\"http:\/\/www.youtube.com\/v\/AkVW3UZmsx0&#038;hl=en&#038;fs=1\" width=\"425\" height=\"344\" hspace=\"160\" type=\"application\/x-shockwave-flash\" allowscriptaccess=\"always\" allowfullscreen=\"true\"><\/span><br \/>\n<\/span><\/noscript><br \/>\nFirst test video<br \/>\nUpdate 01-21-09<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1333 size-full\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/night1.jpg\" alt=\"\" width=\"600\" height=\"450\" \/><br \/>\nI moved it out away from the trees and buildings. It performed much better<br \/>\nand I was able to get 15-20 volts from a 10mph wind. The blades were spinning<br \/>\nat about 200 rpm for 15v and about 250 rpm for 20 volts. I did not see the<br \/>\nvoltage drop below 15v the whole evening. I even added some christmas lights.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1334 size-full\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/lights1.jpg\" alt=\"\" width=\"600\" height=\"450\" \/><br \/>\nChristmas lights powered by the wind<br \/>\nPowered by wind only. Now I need to get building the charge controller.<br \/>\n<script type=\"text\/javascript\">\/\/ <![CDATA[\n\/\/ <![CDATA[ AC_AX_RunContent( 'width','425','height','344','src','http:\/\/www.youtube.com\/v\/9lw8Ymp1qpU&#038;hl=en&#038;fs=1','type','application\/x-shockwave-flash','allowscriptaccess','always','allowfullscreen','true','movie','http:\/\/www.youtube.com\/v\/9lw8Ymp1qpU&#038;hl=en&#038;fs=1' ); \/\/end AC code\n\/\/ ]]><\/script><object width=\"425\" height=\"344\" classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http:\/\/download.macromedia.com\/pub\/shockwave\/cabs\/flash\/swflash.cab#version=6,0,40,0\"><param name=\"src\" value=\"http:\/\/www.youtube.com\/v\/9lw8Ymp1qpU&amp;hl=en&amp;fs=1\" \/><param name=\"allowfullscreen\" value=\"true\" \/><embed type=\"application\/x-shockwave-flash\" src=\"http:\/\/www.youtube.com\/v\/9lw8Ymp1qpU&amp;hl=en&amp;fs=1\" allowfullscreen=\"allowfullscreen\" width=\"425\" height=\"344\" \/><\/object><noscript><span class=\"mceItemObject\"  width=\"425\" height=\"344\"><span  name=\"movie\" value=\"http:\/\/www.youtube.com\/v\/9lw8Ymp1qpU&#038;hl=en&#038;fs=1\" class=\"mceItemParam\"><\/span><\/param><span  name=\"allowFullScreen\" value=\"true\" class=\"mceItemParam\"><\/span><\/param><span  name=\"allowscriptaccess\" value=\"always\" class=\"mceItemParam\"><\/span><\/param><span class=\"mceItemEmbed\"  src=\"http:\/\/www.youtube.com\/v\/9lw8Ymp1qpU&#038;hl=en&#038;fs=1\" type=\"application\/x-shockwave-flash\" allowscriptaccess=\"always\" allowfullscreen=\"true\" width=\"425\" height=\"344\"><\/span><\/span><\/noscript><br \/>\nNew video<br \/>\nUpdate 03-30-09 Charge Controller<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1335 size-full\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/Controllerlow1.jpg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p>Display shows battery voltage and charging status<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1336 size-full\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/sidelow1.jpg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p>The 40 Amp diode requires a huge heat sink (just in case)<\/p>\n<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1337 size-full\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/terminallow1.jpg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p>Terminal Connection. It will handle a 20amp Wind Turbine and a 6amp Solar Panel.<\/p>\n<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1338 size-full\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/insidelow1.jpg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p>Inside the controller.<\/p>\n<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1339 size-full\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/brainlow1.jpg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p>Here is the control circuit. Two op amps and two NOR Gates.<\/p>\n<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1340 size-full\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/toplow1.jpg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p>I got the circuit design from <a href=\"http:\/\/www.mdpub.com\/Wind_Turbine\/index.html\">here<\/a>. It works perfect and I added a voltage readout.<br \/>\nI used two single op amp chips since thats what I had laying around.<\/p>\n<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1341 size-full\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/bottomlow1.jpg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p>Bottom view. What a mess&#8230;&#8230;<\/p>\n<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1342 size-full\" src=\"https:\/\/www.freemansgarage.com\/wp-content\/uploads\/2019\/09\/lidlow1.jpg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<p>I used a cheap $10 LED readout off Ebay for the voltage screen. It arrived<br \/>\nalready calibrated for the correct voltage. I had to supply 5v to power it so<br \/>\nI used a common 7805 regulator.<br \/>\nThat&#8217;s it for now.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>It&#8217;s not finished yet so here are some images of what I have done so far. When I am finished, I will do a much <a class=\"mh-excerpt-more\" href=\"https:\/\/www.freemansgarage.com\/index.php\/2009\/01\/05\/homemade-wind-turbine-and-charge-controller\/\" title=\"Homemade Wind Turbine\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":858,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-137","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projects"],"_links":{"self":[{"href":"https:\/\/www.freemansgarage.com\/index.php\/wp-json\/wp\/v2\/posts\/137","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.freemansgarage.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.freemansgarage.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.freemansgarage.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.freemansgarage.com\/index.php\/wp-json\/wp\/v2\/comments?post=137"}],"version-history":[{"count":4,"href":"https:\/\/www.freemansgarage.com\/index.php\/wp-json\/wp\/v2\/posts\/137\/revisions"}],"predecessor-version":[{"id":1420,"href":"https:\/\/www.freemansgarage.com\/index.php\/wp-json\/wp\/v2\/posts\/137\/revisions\/1420"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.freemansgarage.com\/index.php\/wp-json\/wp\/v2\/media\/858"}],"wp:attachment":[{"href":"https:\/\/www.freemansgarage.com\/index.php\/wp-json\/wp\/v2\/media?parent=137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.freemansgarage.com\/index.php\/wp-json\/wp\/v2\/categories?post=137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.freemansgarage.com\/index.php\/wp-json\/wp\/v2\/tags?post=137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}