{"id":517,"date":"2023-01-10T23:36:27","date_gmt":"2023-01-10T23:36:27","guid":{"rendered":"https:\/\/graywolfslair.com\/?p=517"},"modified":"2023-04-05T20:06:56","modified_gmt":"2023-04-05T20:06:56","slug":"15-2-lil-terp","status":"publish","type":"post","link":"https:\/\/graywolfslair.com\/index.php\/15-diy-equipment\/15-2-lil-terp\/","title":{"rendered":"15.2 Lil Terp"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">During the time frame that I introduced the Mk III, I introduced the Lil Terp Passive extractor<strong>,<\/strong>&nbsp;which was based on the Mk III design, but was actually not my first conceptual for passive extraction and collection.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The first was based on another of FOAF&#8217;s post where he did a passive recovery and looks like I downloaded it 7-22-2010 at 9:55AM:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"619\" height=\"450\" src=\"https:\/\/graywolf.moveweight.com\/wp-content\/uploads\/2023\/04\/FOAFs-experiment-jpg.webp\" alt=\"\" class=\"wp-image-1681\" srcset=\"https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/FOAFs-experiment-jpg.webp 619w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/FOAFs-experiment-300x218.webp 300w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/FOAFs-experiment-600x436.webp 600w\" sizes=\"auto, (max-width: 619px) 100vw, 619px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>FOAF\u2019s passive experiment<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here is the first design, that I never built, and looks like I didn&#8217;t date the conceptual.&nbsp; When the Tamisium came online with a nice design CNC turned out of a single billet, but priced out of the market for ma and pa, I came up with the Lil Terp design, based on readily available parts.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"514\" src=\"https:\/\/graywolf.moveweight.com\/wp-content\/uploads\/2023\/04\/Early-conceptual-1-jpg.webp\" alt=\"\" class=\"wp-image-1682\" srcset=\"https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Early-conceptual-1-jpg.webp 640w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Early-conceptual-1-300x241.webp 300w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Early-conceptual-1-600x482.webp 600w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Early conceptual<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">And another design in 2014 made of borosilicate that I also never built, because I couldn&#8217;t find thick enough borosilicate to meet 350 psi ASME requirements for LPG.&nbsp; We Investigated using available 9mm wall and clear PTFE coating it for strength, but abandoned the idea and moved<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"450\" src=\"https:\/\/graywolf.moveweight.com\/wp-content\/uploads\/2023\/04\/Borosilicate-conceptual-1-jpg.webp\" alt=\"\" class=\"wp-image-1684\" srcset=\"https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Borosilicate-conceptual-1-jpg.webp 640w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Borosilicate-conceptual-1-300x211.webp 300w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Borosilicate-conceptual-1-600x422.webp 600w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Borosilicate Conceptual<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;And here is the first Lil Terp, that did get built, which was based on the Mk III:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"373\" src=\"https:\/\/graywolf.moveweight.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-lid-machining-1-jpg.webp\" alt=\"\" class=\"wp-image-1691\" srcset=\"https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-lid-machining-1-jpg.webp 640w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-lid-machining-1-300x175.webp 300w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-lid-machining-1-600x350.webp 600w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Lid machining detail for Lil Terp<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"303\" src=\"https:\/\/graywolf.moveweight.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-conceptual--jpg.webp\" alt=\"\" class=\"wp-image-1690\" srcset=\"https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-conceptual--jpg.webp 640w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-conceptual--300x142.webp 300w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-conceptual--600x284.webp 600w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Lil Terp conceptual<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"427\" src=\"https:\/\/graywolf.moveweight.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-prototype-1-jpg.webp\" alt=\"\" class=\"wp-image-1689\" srcset=\"https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-prototype-1-jpg.webp 640w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-prototype-1-300x200.webp 300w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-prototype-1-600x400.webp 600w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Lil Terp ready to extract<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"427\" src=\"https:\/\/graywolf.moveweight.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-welding-1-jpg.webp\" alt=\"\" class=\"wp-image-1685\" srcset=\"https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-welding-1-jpg.webp 640w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-welding-1-300x200.webp 300w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-welding-1-600x400.webp 600w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Weld quality by Gibson Welding<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The welds were done by Gibson Welding, and looks like stacks of shinny new coins.&nbsp; I cut a 12&#8243; long spool in two pieces and made new 1\/2&#8243; bottoms for it, using blanks from BBC Steel in Canby, OR, which were machined by Moody Machine Works in Milwaukie, OR.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Subsequently welded bottom spools became available, as well as 6&#8243; spools, so that you can use a clamped end cap for the tank bottom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here is the cost to build the Lil Terp at the time.&nbsp; As you can see it was under $650, which was a price ma and pa could better afford.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"456\" src=\"https:\/\/graywolf.moveweight.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-BOM-1-jpg.webp\" alt=\"\" class=\"wp-image-1686\" srcset=\"https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-BOM-1-jpg.webp 640w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-BOM-1-300x214.webp 300w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-BOM-1-600x428.webp 600w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Bill of Materials<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As it came to pass, a reader brought by Tamisium TE-175 seeking process support and we were able to run it alongside the Lil Terp.&nbsp; While the Tamisium is a fine machine, it didn&#8217;t produce more material or provide a better return.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"587\" src=\"https:\/\/graywolf.moveweight.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-TE-175-1-jpg.webp\" alt=\"\" class=\"wp-image-1687\" srcset=\"https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-TE-175-1-jpg.webp 640w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-TE-175-1-300x275.webp 300w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Lil-Terp-TE-175-1-600x550.webp 600w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Lil Terp in shootout with Tamisium TE-175<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We subsequently tested the Best Value Vacuum&#8217;s new ASME certified offering and their Mini extractor with about the same good results.&nbsp; Within design limits, it appears to be the process, not the equipment that accomplishes the end result.&nbsp;&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"428\" height=\"640\" src=\"https:\/\/graywolf.moveweight.com\/wp-content\/uploads\/2023\/04\/BVV-ASME-certified-1-jpg.webp\" alt=\"\" class=\"wp-image-1688\" srcset=\"https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/BVV-ASME-certified-1-jpg.webp 428w, https:\/\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/BVV-ASME-certified-1-201x300.webp 201w\" sizes=\"auto, (max-width: 428px) 100vw, 428px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>BVV ASME Certified Passive extractor<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">See more history at: <a href=\"https:\/\/www.icmag.com\/ic\/showthread.php?t=240005&amp;highlight=Passive+Butane+Extractor+reclaimer\">https:\/\/www.icmag.com\/ic\/showthread.php?t=240005&amp;highlight=Passive+Butane+Extractor+reclaimer<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here is a commercial sized Koolinator Passive extractor conceptual that I never built.&nbsp; It pumps coolant or hot water to the different components, depending on their needs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The only pumps are coolant, hot water, and vacuum.&nbsp; All recovery is done passively.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/graywolf.moveweight.com\/images\/Koolinator.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Koolinator Essential Oil Extractor<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>During the time frame that I introduced the Mk III, I introduced the Lil Terp Passive extractor,&nbsp;which was based on the Mk III design, but [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[50],"tags":[],"class_list":["post-517","post","type-post","status-publish","format-standard","hentry","category-15-diy-equipment"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>15.2 Lil Terp - GrayWolf&#039;s Lair<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/graywolfslair.com\/index.php\/15-diy-equipment\/15-2-lil-terp\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"15.2 Lil Terp - GrayWolf&#039;s Lair\" \/>\n<meta property=\"og:description\" content=\"During the time frame that I introduced the Mk III, I introduced the Lil Terp Passive extractor,&nbsp;which was based on the Mk III design, but [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/graywolfslair.com\/index.php\/15-diy-equipment\/15-2-lil-terp\/\" \/>\n<meta property=\"og:site_name\" content=\"GrayWolf&#039;s Lair\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/james.ellis.9081\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-10T23:36:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-04-05T20:06:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/graywolf.moveweight.com\/wp-content\/uploads\/2023\/04\/FOAFs-experiment-jpg.webp\" \/>\n<meta name=\"author\" content=\"GrayWolf\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"GrayWolf\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/graywolfslair.com\\\/index.php\\\/15-diy-equipment\\\/15-2-lil-terp\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/graywolfslair.com\\\/index.php\\\/15-diy-equipment\\\/15-2-lil-terp\\\/\"},\"author\":{\"name\":\"GrayWolf\",\"@id\":\"https:\\\/\\\/graywolfslair.com\\\/#\\\/schema\\\/person\\\/80bf52d7d8b5fc1cd253d715ac2a41b8\"},\"headline\":\"15.2 Lil Terp\",\"datePublished\":\"2023-01-10T23:36:27+00:00\",\"dateModified\":\"2023-04-05T20:06:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/graywolfslair.com\\\/index.php\\\/15-diy-equipment\\\/15-2-lil-terp\\\/\"},\"wordCount\":485,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/graywolfslair.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/graywolfslair.com\\\/index.php\\\/15-diy-equipment\\\/15-2-lil-terp\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/graywolf.moveweight.com\\\/wp-content\\\/uploads\\\/2023\\\/04\\\/FOAFs-experiment-jpg.webp\",\"articleSection\":[\"15. 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