{"id":10992,"date":"2022-08-20T16:57:37","date_gmt":"2022-08-20T14:57:37","guid":{"rendered":"https:\/\/nolle.engineering\/?page_id=10992"},"modified":"2024-02-10T10:42:33","modified_gmt":"2024-02-10T09:42:33","slug":"ice-cone-feed-diy-build-instructions","status":"publish","type":"page","link":"https:\/\/nolle.engineering\/en\/ice-cone-feed-diy-build-instructions\/","title":{"rendered":"Ice Cone Feed DIY &#8211; Build Instructions"},"content":{"rendered":"<p>I am running the QO100 uplink via a DIY dual feed also known as &#8220;Ice Cone Feed&#8221; featuring a 3.5 turn helix and a standard unmodified LNB (55mm diameter).<\/p>\n<p>If you have access to a 3D printer you can build it yourself. Or buy a ready to go <a href=\"https:\/\/nolle.engineering\/en\/product\/icfv2\/\">Ice Cone Feed v2<\/a>.<\/p>\n<p><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-4562786811741780\" crossorigin=\"anonymous\"><\/script><br \/>\n<ins class=\"adsbygoogle\" style=\"display: block; text-align: center;\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\" data-ad-client=\"ca-pub-4562786811741780\" data-ad-slot=\"7993242065\"><\/ins><br \/>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn-bio.qrz.com\/t\/dc8pat\/IceConeFeed_CutView.jpg?p=78c93b16e5dee4b7aa4f307409ec8b74\" \/>\u00a0<img decoding=\"async\" src=\"https:\/\/cdn-bio.qrz.com\/t\/dc8pat\/IceConeFeed_ExplosionView.JPG?p=78c93b16e5dee4b7aa4f307409ec8b74\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn-bio.qrz.com\/t\/dc8pat\/IMG_3709.JPG?p=78c93b16e5dee4b7aa4f307409ec8b74\" \/>\u00a0<img decoding=\"async\" src=\"https:\/\/cdn-bio.qrz.com\/t\/dc8pat\/IMG_3717.JPG?p=78c93b16e5dee4b7aa4f307409ec8b74\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn-bio.qrz.com\/t\/dc8pat\/IMG_3740.JPG?p=78c93b16e5dee4b7aa4f307409ec8b74\" \/><\/p>\n<p><strong>CONSTRUCTION:\u00a0<\/strong>The Ice Cone Feed consists of 3D printable parts, which can be downloaded from here.<\/p>\n<p>All part should be printed in\u00a0<strong>PET\/PETG<\/strong>\u00a0as this is UV resistant and won&#8217;t warp at outside temperatures as PLA would.<\/p>\n<p>The reflector support (below in red) will be pushed onto the LNB horn. It is designed for a standard 55mm horn diameter (59\/61mm versions available as well).\u00a0Print with 5-10% infill. It is secured by a clamping mechanism. An M4 bolt is inserted sideways and locks an M4 nut. Tighten the M4 bolt for clamping.<\/p>\n<p>The cover is a cone with 2mm wall thickness. Print with 100% infill. A rough qualitative test did not show significant attenuation at 2.4 GHz:<br \/>\n<a href=\"https:\/\/twitter.com\/i\/status\/1185990040159170561\" target=\"_top\" rel=\"noopener\">https:\/\/twitter.com\/i\/status\/1185990040159170561<\/a><\/p>\n<p>The reflector is a 4mm aluminum disk, see drawing and hole pattern below\u00a0 Cut M4 threads for 3 bolts to secure the reflector to its support. Cut M3 threads for the N type connector. Make sure you meet the outer diameter, if the reflector is too large then the cover will get stuck when srewing it on. I don&#8217;t have a lathe to produce perfect disks. I made my reflector by rougly cutting as per below drawing (a bit oversize). Then I used a special 3D printed tool (also on thingiverse) which you can mount the reflector on (M10 bolt) and spin it on a standard column drill. Use an angle grinder to shape the reflector circular. Works like a charme, demonstrated by this gentleman:\u00a0<a href=\"https:\/\/twitter.com\/i\/status\/1184072011787788288\" target=\"_top\" rel=\"noopener\">https:\/\/twitter.com\/i\/status\/1184072011787788288<\/a><\/p>\n<p>The helix consist of 10mm2 copper wire (although 16mm2 is probably better, let me know about your experiences). To help with winding a special winding tool can be printed as well. Just wind along the outer groove of the cylinder, 3.5 turns and you get a helix to spec with quite good tolerances.<\/p>\n<p>The antenna is fed by a standard N-type connector.<\/p>\n<p>Once the helix is finished use the helix support bracket and wind the helix into it. The bracket can be glued onto the reflector.<\/p>\n<p><strong>MATCHING:<\/strong>\u00a0I have changed the matching strip to a vane style type. Cut a .5mm copper vane as per the dimensions below. Rotate the helix such that the end is 15mm away from the reflector.<\/p>\n<p><strong>TUNING<\/strong>: One way to tune the resonance to 2.4 GHz is to adjust the gap between vane and reflector at the connector side. For the Ice Cone Feed v2 the sweet spot is around 1 &#8211; 2mm. Other methods are adding copper tuning elements and chopping off bits until reaching resonance. Let me know about your experiences.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn-bio.qrz.com\/t\/dc8pat\/IMG_6389_closeup.jpg?p=78c93b16e5dee4b7aa4f307409ec8b74\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn-bio.qrz.com\/t\/dc8pat\/IMG_6387.JPG?p=78c93b16e5dee4b7aa4f307409ec8b74\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn-bio.qrz.com\/t\/dc8pat\/reflector.JPG?p=78c93b16e5dee4b7aa4f307409ec8b74\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn-bio.qrz.com\/t\/dc8pat\/matching_vane.PNG?p=78c93b16e5dee4b7aa4f307409ec8b74\" \/>\u00a0<img decoding=\"async\" src=\"https:\/\/cdn-bio.qrz.com\/t\/dc8pat\/matching_vane_dimensions.PNG?p=78c93b16e5dee4b7aa4f307409ec8b74\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn-bio.qrz.com\/t\/dc8pat\/helix_mold_multi_wire_dia.JPG?p=78c93b16e5dee4b7aa4f307409ec8b74\" \/><\/p>\n<p>Helix winder for different wire diameters<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn-bio.qrz.com\/t\/dc8pat\/lathe_tool.JPG?p=78c93b16e5dee4b7aa4f307409ec8b74\" \/><\/p>\n<p>Lathing tool<\/p>\n<p><strong>DISCLAIMER<\/strong>: This is an open source design for the HAM community. As such it is licensed under the\u00a0\u00a0<a href=\"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/3.0\/\" target=\"_top\" rel=\"license noopener\">Creative Commons &#8211; Attribution &#8211; Non-Commercial &#8211; No Derivatives\u00a0<\/a>license. You are welcome to rebuild it and use it for free for private HAM activity but you must not sell or monitarize it. Contact me for a commercial license.<\/p>","protected":false},"excerpt":{"rendered":"<p>I am running the QO100 uplink via a DIY dual feed also known as &#8220;Ice Cone Feed&#8221; featuring a 3.5 turn helix and a standard unmodified LNB (55mm diameter). If you have access to a 3D printer you can build it yourself. Or buy a ready to go Ice Cone Feed v2. \u00a0 \u00a0 CONSTRUCTION:\u00a0The&#8230; <\/p>\n<div class=\"link-more\"><a href=\"https:\/\/nolle.engineering\/en\/ice-cone-feed-diy-build-instructions\/\">Read More<\/a><\/div>","protected":false},"author":2,"featured_media":10991,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-10992","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ice Cone Feed DIY - Build Instructions - nolle.engineering<\/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:\/\/nolle.engineering\/en\/ice-cone-feed-diy-build-instructions\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ice Cone Feed DIY - Build Instructions - nolle.engineering\" \/>\n<meta property=\"og:description\" content=\"I am running the QO100 uplink via a DIY dual feed also known as &#8220;Ice Cone Feed&#8221; featuring a 3.5 turn helix and a standard unmodified LNB (55mm diameter). If you have access to a 3D printer you can build it yourself. Or buy a ready to go Ice Cone Feed v2. \u00a0 \u00a0 CONSTRUCTION:\u00a0The... 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If you have access to a 3D printer you can build it yourself. Or buy a ready to go Ice Cone Feed v2. \u00a0 \u00a0 CONSTRUCTION:\u00a0The... 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