{"id":5737,"date":"2013-01-10T13:38:39","date_gmt":"2013-01-10T21:38:39","guid":{"rendered":"http:\/\/rustybolt.info\/?p=5737"},"modified":"2013-01-16T18:02:16","modified_gmt":"2013-01-17T02:02:16","slug":"2013-01-10-tbd","status":"publish","type":"post","link":"https:\/\/rustybolt.info\/wordpress\/?p=5737","title":{"rendered":"2013-01-10 Colorful Multitapped Coil"},"content":{"rendered":"<p><a href=\"http:\/\/rustybolt.info\/wordpress\/?attachment_id=5811\" rel=\"attachment wp-att-5811\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-5811\" title=\"DSC_0056S2\" src=\"http:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2013\/01\/DSC_0056S2-300x249.jpg\" alt=\"\" width=\"300\" height=\"249\" srcset=\"https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2013\/01\/DSC_0056S2-300x249.jpg 300w, https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2013\/01\/DSC_0056S2.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>I built this coil, modeled somewhat after the coil I saw in <a href=\"http:\/\/www.youtube.com\/watch?v=gB4XjEq__uU\">this Youtube video<\/a>.\u00a0 It uses 24 AWG solid telephone wire, and the winding color indicates the number of the winding according to the resistor color code: 1 (brown) through 0 (black).\u00a0 The first and last windings are 5 turns each.\u00a0 The windings in between are 10 turns as can be seen in the wiring diagram beside the coil.\u00a0 The core is a TOR-61 core, from allelectronics.com.\u00a0 I&#8217;m going to try to mount it on a small piece of wood with a terminal strip.<\/p>\n<p>Inductances:<\/p>\n<p>BRN to BRN (Start) 0.08 mH<\/p>\n<p>BRN to BRN-RED (gives an invalid negative number)<\/p>\n<p>BRN to RED-ORG 0.695 mH<\/p>\n<p>BRN to ORG-YEL 1.96 mH<\/p>\n<p>BRN to YEL-GRN 3.91 mH<\/p>\n<p>BRN to GRN-BLU 6.6 mH<\/p>\n<p>BRN to BLU-VIO 10.1 mH<\/p>\n<p>BRN to VIO-GRY 14.4 mH<\/p>\n<p>BRN to GRY-WHT 19.5 mH<\/p>\n<p>BRN to WHT-BLK 22.5 mH<\/p>\n<p>BRN to BLK (end) 25.2 mH<\/p>\n<p>The accuracy of the meter I used is not so good at the low and high ends of the measurements.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I built this coil, modeled somewhat after the coil I saw in this Youtube video.\u00a0 It uses 24 AWG solid telephone wire, and the winding color indicates the number of the winding according to the resistor color code: 1 (brown) through 0 (black).\u00a0 The first and last windings are 5 turns each.\u00a0 The windings in<a href=\"https:\/\/rustybolt.info\/wordpress\/?p=5737\"> <\/p>\n<p> (Read More&#8230;)<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[78],"tags":[],"class_list":["post-5737","post","type-post","status-publish","format-standard","hentry","category-inductors"],"_links":{"self":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5737","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5737"}],"version-history":[{"count":10,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5737\/revisions"}],"predecessor-version":[{"id":5810,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5737\/revisions\/5810"}],"wp:attachment":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5737"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5737"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5737"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}