{"id":5228,"date":"2026-06-05T08:57:56","date_gmt":"2026-06-05T08:57:56","guid":{"rendered":"https:\/\/dycarbonfiber.com\/?p=5228"},"modified":"2026-06-05T09:00:54","modified_gmt":"2026-06-05T09:00:54","slug":"square-carbon-fiber-tube-vs-round-stiffness","status":"publish","type":"post","link":"https:\/\/dycarbonfiber.com\/da\/square-carbon-fiber-tube-vs-round-stiffness\/","title":{"rendered":"Firkantet kulfiberr\u00f8r kontra rundt r\u00f8r: Forskelle i stivhed forklaret med henblik p\u00e5 luft- og rumfart"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"5228\" class=\"elementor elementor-5228\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-628b08e1 e-con-full e-flex e-con e-parent\" data-id=\"628b08e1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5324d332 elementor-widget elementor-widget-image\" data-id=\"5324d332\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/dycarbonfiber.com\/da\/produkter-03\/carbon-fiber-cnc-parts\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/elementor\/thumbs\/blog-page-banner-rcavplavw4yufbwplfxw5ut3f6ji4ueey1h1uetaq0.jpg\" title=\"blog-side-banner\" alt=\"blog-side-banner\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5ffe3086 e-flex e-con-boxed e-con e-parent\" data-id=\"5ffe3086\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-66c730f1 elementor-widget elementor-widget-heading\" data-id=\"66c730f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Hvorfor har et firkantet r\u00f8r af kulfiber en lavere stivhed end et rundt r\u00f8r?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-749dc0b3 jkit-social-shape shape-none elementor-widget elementor-widget-jkit_social_share\" data-id=\"749dc0b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"jkit_social_share.default\">\n\t\t\t\t\t<div  class=\"jeg-elementor-kit jkit-social-share jeg_module___6a65564ec29c4\" ><ul class=\"social-share-list\"><li class=\"elementor-repeater-item-aff51ff\" data-social=\"facebook\">\n\t\t\t\t<a href=\"#\" class=\"facebook social-icon\" aria-label=\"Social deling\"><svg viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M279.14 288l14.22-92.66h-88.91v-60.13c0-25.35 12.42-50.06 52.24-50.06h40.42V6.26S260.43 0 225.36 0c-73.22 0-121.08 44.38-121.08 124.72v70.62H22.89V288h81.39v224h100.17V288z\"><\/path><\/svg><\/a>\n\t\t\t<\/li><li class=\"elementor-repeater-item-72614b4\" data-social=\"twitter\">\n\t\t\t\t<a href=\"#\" class=\"twitter social-icon\" aria-label=\"Social deling\"><svg viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M459.37 151.716c.325 4.548.325 9.097.325 13.645 0 138.72-105.583 298.558-298.558 298.558-59.452 0-114.68-17.219-161.137-47.106 8.447.974 16.568 1.299 25.34 1.299 49.055 0 94.213-16.568 130.274-44.832-46.132-.975-84.792-31.188-98.112-72.772 6.498.974 12.995 1.624 19.818 1.624 9.421 0 18.843-1.3 27.614-3.573-48.081-9.747-84.143-51.98-84.143-102.985v-1.299c13.969 7.797 30.214 12.67 47.431 13.319-28.264-18.843-46.781-51.005-46.781-87.391 0-19.492 5.197-37.36 14.294-52.954 51.655 63.675 129.3 105.258 216.365 109.807-1.624-7.797-2.599-15.918-2.599-24.04 0-57.828 46.782-104.934 104.934-104.934 30.213 0 57.502 12.67 76.67 33.137 23.715-4.548 46.456-13.32 66.599-25.34-7.798 24.366-24.366 44.833-46.132 57.827 21.117-2.273 41.584-8.122 60.426-16.243-14.292 20.791-32.161 39.308-52.628 54.253z\"><\/path><\/svg><\/a>\n\t\t\t<\/li><li class=\"elementor-repeater-item-4bf88d2\" data-social=\"linkedin\">\n\t\t\t\t<a href=\"#\" class=\"linkedin social-icon\" aria-label=\"Social deling\"><svg viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M100.28 448H7.4V148.9h92.88zM53.79 108.1C24.09 108.1 0 83.5 0 53.8a53.79 53.79 0 0 1 107.58 0c0 29.7-24.1 54.3-53.79 54.3zM447.9 448h-92.68V302.4c0-34.7-.7-79.2-48.29-79.2-48.29 0-55.69 37.7-55.69 76.7V448h-92.78V148.9h89.08v40.8h1.3c12.4-23.5 42.69-48.3 87.88-48.3 94 0 111.28 61.9 111.28 142.3V448z\"><\/path><\/svg><\/a>\n\t\t\t<\/li><li class=\"elementor-repeater-item-72001e9\" data-social=\"pinterest\">\n\t\t\t\t<a href=\"#\" class=\"pinterest social-icon\" aria-label=\"Social deling\"><svg viewbox=\"0 0 496 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M496 256c0 137-111 248-248 248-25.6 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9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<div id=\"elementor-toc__90e90cd\" class=\"elementor-toc__body\">\r\n\t\t\t<div class=\"elementor-toc__spinner-container\">\r\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6c559fb6 e-con-full e-flex e-con e-child\" data-id=\"6c559fb6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c4b6559 elementor-widget elementor-widget-image\" data-id=\"c4b6559\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/dycarbonfiber.com\/da\/produkter-03\/kulfiberror\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1080\" height=\"750\" src=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/square-carbon-fiber-tube-vs-round-stiffness.jpg\" class=\"attachment-full size-full wp-image-5244\" alt=\"Pr\u00f8vning af stivheden i firkantede kulfiberr\u00f8r til anvendelse inden for luft- og rumfart\" srcset=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/square-carbon-fiber-tube-vs-round-stiffness.jpg 1080w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/square-carbon-fiber-tube-vs-round-stiffness-300x208.jpg 300w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/square-carbon-fiber-tube-vs-round-stiffness-1024x711.jpg 1024w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/square-carbon-fiber-tube-vs-round-stiffness-768x533.jpg 768w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/square-carbon-fiber-tube-vs-round-stiffness-18x12.jpg 18w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7f69fbad e-flex e-con-boxed e-con e-parent\" data-id=\"7f69fbad\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6d29b7a0 elementor-widget elementor-widget-text-editor\" data-id=\"6d29b7a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Reelle testresultater fra et luftfartsprojekt<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">I et luftfartsprojekt, jeg arbejdede p\u00e5, st\u00f8dte et team p\u00e5 et problem, der i f\u00f8rste omgang ikke gav mening. De testede en <a href=\"https:\/\/dycarbonfiber.com\/da\/produkter-03\/kulfiberror\/\">firkantet kulfiberr\u00f8r<\/a> og et rundt. Begge var m\u00e6rket som kulfiber af h\u00f8j kvalitet. Samme leverand\u00f8r, samme v\u00e6gt, lignende specifikationer p\u00e5 papiret. Men da de gennemf\u00f8rte stivhedstests, b\u00f8jede det firkantede kulfiberr\u00f8r sig langt mere end forventet.<\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Dette resultat forsinkede hele tidsplanen for prototypen. Teamet var n\u00f8dt til at stoppe op og s\u00e6tte sp\u00f8rgsm\u00e5lstegn ved noget, de havde anset for at v\u00e6re grundl\u00e6ggende: Hvis materialet er det samme, hvorfor er ydeevnen s\u00e5 s\u00e5 forskellig? Det er her, mange ingeni\u00f8rer bliver taget p\u00e5 sengen.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-af40d81 e-flex e-con-boxed e-con e-parent\" data-id=\"af40d81\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6b63390 elementor-widget elementor-widget-image\" data-id=\"6b63390\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/dycarbonfiber.com\/da\/produkter-03\/kulfiberror\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1376\" height=\"768\" src=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/square-carbon-fiber-tube-vs-round-stiffness-03.jpg\" class=\"attachment-full size-full wp-image-5245\" alt=\"Pr\u00f8vning af stivheden i firkantede kulfiberr\u00f8r til anvendelse inden for luft- og rumfart\" srcset=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/square-carbon-fiber-tube-vs-round-stiffness-03.jpg 1376w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/square-carbon-fiber-tube-vs-round-stiffness-03-300x167.jpg 300w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/square-carbon-fiber-tube-vs-round-stiffness-03-1024x572.jpg 1024w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/square-carbon-fiber-tube-vs-round-stiffness-03-768x429.jpg 768w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/square-carbon-fiber-tube-vs-round-stiffness-03-18x10.jpg 18w\" sizes=\"(max-width: 1376px) 100vw, 1376px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dea771c e-flex e-con-boxed e-con e-parent\" data-id=\"dea771c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-88212d2 elementor-widget elementor-widget-text-editor\" data-id=\"88212d2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 id=\"why-carbon-fiber-square-tube-stiffness-often-falls\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_&amp;]:clear-end text-base first:mt-0\">Hvorfor stivheden i firkantede r\u00f8r af kulfiber ofte ligger under de tekniske forventninger<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Den <a href=\"https:\/\/dycarbonfiber.com\/da\/produkter-03\/kulfiberror\/\">firkantet kulfiberr\u00f8r<\/a> blev valgt af en simpel grund. Det var nemmere at montere og tilpasse til konstruktionen. Set ud fra et designm\u00e6ssigt synspunkt gav det god mening. Teamet gik ud fra, at stivheden i kulfiberr\u00f8ret ville ligge t\u00e6t p\u00e5 et rundt r\u00f8r med samme v\u00e6gt.<\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Men under testene inden for luft- og rumfart fortalte tallene en anden historie. Under b\u00f8jningsbelastning udviste det firkantede r\u00f8r st\u00f8rre nedb\u00f8jning. Dette blev et alvorligt problem, da konstruktionen var underlagt strenge stivhedskrav.<\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Problemet var ikke, at materialet var af d\u00e5rlig kvalitet. Det handlede om, hvordan formen opf\u00f8rte sig under belastning. Flade sider kan ikke b\u00e6re belastningen lige s\u00e5 godt som buede overflader. Hj\u00f8rnerne skabte yderligere belastningspunkter i stedet for at \u00f8ge styrken. Dette er et almindeligt problem i konstruktionen af kulfiberr\u00f8r til b\u00e6rende form\u00e5l, men det overses ofte i de tidlige faser af udviklingen.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3c101c2 e-flex e-con-boxed e-con e-parent\" data-id=\"3c101c2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-55edd80 elementor-widget elementor-widget-text-editor\" data-id=\"55edd80\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h3><strong><span class=\"\">Relaterede artikler:<\/span><\/strong><\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-079fe94 e-flex e-con-boxed e-con e-parent\" data-id=\"079fe94\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7a29f00 elementor-grid-3 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-widget elementor-widget-portfolio\" data-id=\"7a29f00\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;item_ratio&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:0.6,&quot;sizes&quot;:[]},&quot;row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:20,&quot;sizes&quot;:[]},&quot;columns&quot;:&quot;3&quot;,&quot;columns_tablet&quot;:&quot;2&quot;,&quot;columns_mobile&quot;:&quot;1&quot;,&quot;item_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"portfolio.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-portfolio elementor-grid elementor-posts-container\" role=\"list\">\r\n\t\t\t\t<article class=\"elementor-portfolio-item elementor-post elementor-filter-1 post-5476 post type-post status-publish format-standard has-post-thumbnail hentry category-knowledge-about-carbon\" role=\"listitem\">\r\n\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/dycarbonfiber.com\/da\/carbon-fiber-production-selection-guide\/\">\r\n\t\t\t\t<div class=\"elementor-portfolio-item__img elementor-post__thumbnail\">\r\n\t\t\t<img decoding=\"async\" width=\"768\" height=\"495\" src=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-production-manufacturer-768x495.jpg\" class=\"attachment-medium_large size-medium_large wp-image-5478\" alt=\"Produktionsprocessen for kulfiber i en fabrik, der fremstiller kompositmaterialer\" srcset=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-production-manufacturer-768x495.jpg 768w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-production-manufacturer-300x193.jpg 300w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-production-manufacturer-18x12.jpg 18w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-production-manufacturer.jpg 900w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-portfolio-item__overlay\">\r\n\t\t\t\t<h3 class=\"elementor-portfolio-item__title\">\r\n\t\tProduktion af kulfiber: Hvad k\u00f8bere b\u00f8r vide, inden de tr\u00e6ffer deres valg\t\t<\/h3>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/a>\r\n\t\t<\/article>\r\n\t\t\t\t<article class=\"elementor-portfolio-item elementor-post elementor-filter-1 post-5425 post type-post status-publish format-standard has-post-thumbnail hentry category-knowledge-about-carbon\" role=\"listitem\">\r\n\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/dycarbonfiber.com\/da\/how-to-choose-carbon-fiber-tube-connectors\/\">\r\n\t\t\t\t<div class=\"elementor-portfolio-item__img elementor-post__thumbnail\">\r\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"432\" src=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-tube-connectors-1-768x432.jpg\" class=\"attachment-medium_large size-medium_large wp-image-5426\" alt=\"Koblinger til kulfiberr\u00f8r, der forbinder runde og firkantede r\u00f8r i en droneramme\" srcset=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-tube-connectors-1-768x432.jpg 768w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-tube-connectors-1-300x169.jpg 300w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-tube-connectors-1-1024x576.jpg 1024w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-tube-connectors-1-1536x864.jpg 1536w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-tube-connectors-1-18x10.jpg 18w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-tube-connectors-1.jpg 1920w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-portfolio-item__overlay\">\r\n\t\t\t\t<h3 class=\"elementor-portfolio-item__title\">\r\n\t\tKoblinger til kulfiberr\u00f8r: S\u00e5dan v\u00e6lger du den rigtige type\t\t<\/h3>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/a>\r\n\t\t<\/article>\r\n\t\t\t\t<article class=\"elementor-portfolio-item elementor-post elementor-filter-1 post-5409 post type-post status-publish format-standard has-post-thumbnail hentry category-knowledge-about-carbon\" role=\"listitem\">\r\n\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/dycarbonfiber.com\/da\/carbon-fiber-tube-supplier-for-your-drawings\/\">\r\n\t\t\t\t<div class=\"elementor-portfolio-item__img elementor-post__thumbnail\">\r\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-tube-supplier-768x512.jpg\" class=\"attachment-medium_large size-medium_large wp-image-5410\" alt=\"Leverand\u00f8r af kulfiberr\u00f8r, der fremstiller specialfremstillede kulfiberr\u00f8r\" srcset=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-tube-supplier-768x512.jpg 768w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-tube-supplier-300x200.jpg 300w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-tube-supplier-1024x683.jpg 1024w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-tube-supplier-18x12.jpg 18w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/07\/carbon-fiber-tube-supplier.jpg 1080w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-portfolio-item__overlay\">\r\n\t\t\t\t<h3 class=\"elementor-portfolio-item__title\">\r\n\t\tKan en leverand\u00f8r af kulfiberr\u00f8r f\u00f8lge din skr\u00e6ddersyede opbygningsplan?\t\t<\/h3>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/a>\r\n\t\t<\/article>\r\n\t\t\t\t<article class=\"elementor-portfolio-item elementor-post elementor-filter-1 post-5384 post type-post status-publish format-standard has-post-thumbnail hentry category-knowledge-about-carbon\" role=\"listitem\">\r\n\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/dycarbonfiber.com\/da\/custom-large-carbon-fiber-sheets\/\">\r\n\t\t\t\t<div class=\"elementor-portfolio-item__img elementor-post__thumbnail\">\r\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"555\" src=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/Large-Carbon-Fiber-Sheets-768x555.jpg\" class=\"attachment-medium_large size-medium_large wp-image-5385\" alt=\"Stor producent af kulfiberplader med specialfremstillede, ekstra store kulfiberpaneler\" srcset=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/Large-Carbon-Fiber-Sheets-768x555.jpg 768w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/Large-Carbon-Fiber-Sheets-300x217.jpg 300w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/Large-Carbon-Fiber-Sheets-1024x740.jpg 1024w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/Large-Carbon-Fiber-Sheets-18x12.jpg 18w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/Large-Carbon-Fiber-Sheets.jpg 1080w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-portfolio-item__overlay\">\r\n\t\t\t\t<h3 class=\"elementor-portfolio-item__title\">\r\n\t\tProducent af store kulfiberplader | Specialfremstillede paneler\t\t<\/h3>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/a>\r\n\t\t<\/article>\r\n\t\t\t\t<article class=\"elementor-portfolio-item elementor-post elementor-filter-1 post-5379 post type-post status-publish format-standard has-post-thumbnail hentry category-knowledge-about-carbon\" role=\"listitem\">\r\n\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/dycarbonfiber.com\/da\/roll-wrapped-carbon-fiber-tube-vs-pultruded-tube\/\">\r\n\t\t\t\t<div class=\"elementor-portfolio-item__img elementor-post__thumbnail\">\r\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"604\" src=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/Carbon_Fiber_Tube_Manufacturing-01-768x604.jpg\" class=\"attachment-medium_large size-medium_large wp-image-5358\" alt=\"Rulleindpakket kulfiberr\u00f8r\" srcset=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/Carbon_Fiber_Tube_Manufacturing-01-768x604.jpg 768w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/Carbon_Fiber_Tube_Manufacturing-01-300x236.jpg 300w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/Carbon_Fiber_Tube_Manufacturing-01-1024x806.jpg 1024w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/Carbon_Fiber_Tube_Manufacturing-01-15x12.jpg 15w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/Carbon_Fiber_Tube_Manufacturing-01.jpg 1080w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-portfolio-item__overlay\">\r\n\t\t\t\t<h3 class=\"elementor-portfolio-item__title\">\r\n\t\tRulleformede kulfiberr\u00f8r: 5 vigtige fordele i forhold til pultruderede r\u00f8r\t\t<\/h3>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/a>\r\n\t\t<\/article>\r\n\t\t\t\t<article class=\"elementor-portfolio-item elementor-post elementor-filter-1 post-5332 post type-post status-publish format-standard has-post-thumbnail hentry category-knowledge-about-carbon\" role=\"listitem\">\r\n\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/dycarbonfiber.com\/da\/t700-vs-t300-carbon-fiber-tube\/\">\r\n\t\t\t\t<div class=\"elementor-portfolio-item__img elementor-post__thumbnail\">\r\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"573\" src=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/T300-carbon-fiber-tube-with-matte-finish-for-structural-applications-768x573.jpg\" class=\"attachment-medium_large size-medium_large wp-image-5333\" alt=\"\" srcset=\"https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/T300-carbon-fiber-tube-with-matte-finish-for-structural-applications-768x573.jpg 768w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/T300-carbon-fiber-tube-with-matte-finish-for-structural-applications-300x224.jpg 300w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/T300-carbon-fiber-tube-with-matte-finish-for-structural-applications-1024x765.jpg 1024w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/T300-carbon-fiber-tube-with-matte-finish-for-structural-applications-16x12.jpg 16w, https:\/\/dycarbonfiber.com\/wp-content\/uploads\/2026\/06\/T300-carbon-fiber-tube-with-matte-finish-for-structural-applications.jpg 1200w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-portfolio-item__overlay\">\r\n\t\t\t\t<h3 class=\"elementor-portfolio-item__title\">\r\n\t\tT700 vs. T300 kulfiberr\u00f8r: Ydeevne og kvalitetskontrol\t\t<\/h3>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/a>\r\n\t\t<\/article>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5f34d4c e-flex e-con-boxed e-con e-parent\" data-id=\"5f34d4c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0cc8bfc elementor-widget elementor-widget-text-editor\" data-id=\"0cc8bfc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 id=\"round-vs-square-carbon-fiber-tube-understanding-sh\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_&amp;]:clear-end text-base first:mt-0\">Runde kontra firkantede kulfiberr\u00f8r: En gennemgang af formens indflydelse p\u00e5 den strukturelle ydeevne<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">N\u00e5r man sammenligner en runde med <a href=\"https:\/\/dycarbonfiber.com\/da\/produkter-03\/kulfiberror\/\">firkantet kulfiberr\u00f8r<\/a>, den st\u00f8rste forskel ligger i, hvordan belastningen fordeles gennem profilen. Et rundt r\u00f8r fordeler sp\u00e6ndingen j\u00e6vnt over hele tv\u00e6rsnittet. Det g\u00f8r, at det er meget modstandsdygtigt over for b\u00f8jning.<\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Et firkantet r\u00f8r fungerer anderledes. De flade v\u00e6gge har en tendens til at b\u00f8je sig lettere. Hj\u00f8rnerne b\u00e6rer ikke belastningen j\u00e6vnt, og de kan blive svage punkter under belastning. S\u00e5 selvom begge r\u00f8r er fremstillet af samme kulfiber, er deres strukturelle ydeevne ikke den samme.<\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">I praktiske tests udviser runde r\u00f8r n\u00e6sten altid st\u00f8rre stivhed ved samme v\u00e6gt. Og det er ikke nogen ubetydelig forskel. I nogle tilf\u00e6lde er forskellen s\u00e5 stor, at et designkrav ikke kan opfyldes. Formen er ikke blot en designdetalje. Den har direkte indflydelse p\u00e5, hvordan emnet fungerer.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-28d79c6 e-flex e-con-boxed e-con e-parent\" data-id=\"28d79c6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4beaa86 elementor-widget elementor-widget-text-editor\" data-id=\"4beaa86\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 id=\"pultrusion-vs-pull-winding-carbon-fiber-tubes-why\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_&amp;]:clear-end text-base first:mt-0\">Pultrusion kontra tr\u00e6kviklede kulfiberr\u00f8r: Hvorfor fremstillingsprocessen p\u00e5virker modulv\u00e6rdien<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Fremstillingsprocessen spillede ogs\u00e5 en rolle i dette tilf\u00e6lde. Det firkantede r\u00f8r blev fremstillet ved hj\u00e6lp af pultrusion. Det runde r\u00f8r blev fremstillet ved hj\u00e6lp af tr\u00e6kvikling.<\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">I pultruderede kulfiberr\u00f8r l\u00f8ber fibrene for det meste lige ud i l\u00e6ngderetningen. Dette \u00f8ger tr\u00e6kstyrken, men bidrager ikke i s\u00e6rlig h\u00f8j grad til b\u00f8jnings- eller vridningsstyrken. Ved pull-vikling tilf\u00f8jes der fibre i vinkler. Dette giver bedre stabilitet, n\u00e5r r\u00f8ret b\u00f8jes eller vrides.<\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Mange ingeni\u00f8rer ser p\u00e5 modulv\u00e6rdierne og antager, at de udelukkende afh\u00e6nger af fibertypen. Det er i praksis ikke tilf\u00e6ldet. Fremstillingsprocessen for kulfiberr\u00f8r p\u00e5virker, hvordan fibrene placeres, og det \u00e6ndrer r\u00f8rets opf\u00f8rsel under belastning.<\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">N\u00e5r man sammenligner pultrusion med tr\u00e5dvikling, sammenligner man alts\u00e5 ikke blot to fremstillingsprocesser. Man sammenligner to forskellige strukturelle egenskaber.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1da5ea6 e-flex e-con-boxed e-con e-parent\" data-id=\"1da5ea6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-76eac94 elementor-widget elementor-widget-text-editor\" data-id=\"76eac94\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 id=\"youngs-modulus-carbon-fiber-tube-analysis-why-mate\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_&amp;]:clear-end text-base first:mt-0\">Analyse af kulfiberr\u00f8rs Youngs modul: Hvorfor materialekvaliteten alene ikke kan l\u00f8se problemet<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Da stivhedsproblemet opstod, var den f\u00f8rste id\u00e9 at skifte materiale. Holdet overvejede at skifte fra T300 til T700 eller endda T800 kulfiber.<\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">P\u00e5 papiret burde det \u00f8ge stivheden. Men i testene var forbedringen kun lille. Det l\u00f8ste ikke problemet.<\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Det skyldes, at Youngs modul i et kulfiberr\u00f8r afh\u00e6nger af mere end blot fiberkvaliteten. Hvis formen og v\u00e6gtykkelsen forbliver u\u00e6ndrede, er gevinsten begr\u00e6nset. Et kulfiberr\u00f8r med h\u00f8jt modul fungerer kun optimalt, n\u00e5r konstruktionen g\u00f8r det muligt for fibrene at b\u00e6re belastningen effektivt.<\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">I dette tilf\u00e6lde begr\u00e6nsede den firkantede form og de tynde v\u00e6gge materialets anvendelsesmuligheder. Det var ikke muligt at l\u00f8se problemet ved blot at skifte fiberkvalitet.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-81a28f5 e-flex e-con-boxed e-con e-parent\" data-id=\"81a28f5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-726f5c6 elementor-widget elementor-widget-text-editor\" data-id=\"726f5c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 id=\"how-aerospace-engineers-increase-carbon-fiber-tube\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_&amp;]:clear-end text-base first:mt-0\">Hvordan luftfartsingeni\u00f8rer \u00f8ger kulfiberr\u00f8rs modul ved hj\u00e6lp af designoptimering<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Holdet var n\u00f8dt til at skifte retning. I stedet for udelukkende at fokusere p\u00e5 materialet s\u00e5 de p\u00e5 det samlede design. De justerede fibervinklerne, \u00f8gede tykkelsen p\u00e5 centrale steder og afpr\u00f8vede forskellige lagopbygninger.<\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">I nogle versioner gik man endda v\u00e6k fra den strengt firkantede form. Sm\u00e5 \u00e6ndringer i geometrien gjorde en stor forskel for stivheden.<\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Test og validering spillede her en afg\u00f8rende rolle. Hver eneste \u00e6ndring blev kontrolleret ved hj\u00e6lp af reelle data, ikke blot simuleringer. Dette bidrog til at undg\u00e5 yderligere forsinkelser.<\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">En erfaren producent bidrog ogs\u00e5 til at finpudse processen. Ved at justere, hvordan fibrene blev placeret under produktionen, forbedrede de ydeevnen uden at \u00f8ge v\u00e6gten for meget. Et s\u00e5dant samarbejde er ofte afg\u00f8rende for, om en test best\u00e5s eller ikke.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9e733e8 e-flex e-con-boxed e-con e-parent\" data-id=\"9e733e8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-31ab610 elementor-widget elementor-widget-text-editor\" data-id=\"31ab610\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Resum\u00e9<\/h2><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Stivhed i en <a href=\"https:\/\/dycarbonfiber.com\/da\/produkter-03\/kulfiberror\/\">kulfiberr\u00f8r<\/a> Det handler ikke kun om materialet. Form, fremstillingsproces og fiberplacering spiller alle en rolle, og nogle gange er de endda vigtigere end fiberkvaliteten. At skifte fra T300 til T700 eller T800 vil ikke l\u00f8se problemerne i et design, der er begr\u00e6nset af geometri eller produktionsm\u00e6ssige begr\u00e6nsninger.<\/p><p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">I luftfartsprojekter er det nemt at antage, at bedre materialer betyder bedre ydeevne. Men de faktiske testresultater viser ofte noget andet. N\u00e5r ingeni\u00f8rer arbejder t\u00e6t sammen med kompositproducenter og fokuserer p\u00e5 hele konstruktionen, kan de finde den egentlige \u00e5rsag til problemet og v\u00e6lge den rigtige <a href=\"https:\/\/dycarbonfiber.com\/da\/produkter-03\/kulfiberror\/\">firkantet kulfiberr\u00f8r<\/a> et design baseret p\u00e5 faktiske resultater, ikke p\u00e5 antagelser.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-207f0a48 e-flex e-con-boxed e-con e-parent\" data-id=\"207f0a48\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3557aaf4 elementor-widget elementor-widget-heading\" data-id=\"3557aaf4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Leder du efter produkter i kulfiber? Du er velkommen til at kontakte os!<\/h3>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-23360964 e-flex e-con-boxed e-con e-parent\" data-id=\"23360964\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6c9f511c elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"6c9f511c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" aria-label=\"Ny formular\" action=\"\">\r\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"5228\"\/>\r\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"6c9f511c\"\/>\r\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"\" \/>\r\n\r\n\t\t\t\r\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label elementor-screen-only\">\r\n\t\t\t\t\t\t\t\tNavn\t\t\t\t\t\t\t<\/label>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Navn\">\r\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\r\n\t\t\t\t\t\t\t\tE-mail\t\t\t\t\t\t\t<\/label>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"E-mail\" required=\"required\">\r\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label elementor-screen-only\">\r\n\t\t\t\t\t\t\t\tBesked\t\t\t\t\t\t\t<\/label>\r\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Besked\"><\/textarea>\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-recaptcha_v3 elementor-field-group elementor-column elementor-field-group-field_cc31317 elementor-col-100 recaptcha_v3-bottomright\">\r\n\t\t\t\t\t<div class=\"elementor-field\" id=\"form-field-field_cc31317\"><div class=\"elementor-g-recaptcha\" data-sitekey=\"6LeOu-QrAAAAAKHMdml-qaBJme6BIOZ7Jx5-ET2R\" data-type=\"v3\" data-action=\"Form\" data-badge=\"bottomright\" data-size=\"invisible\"><\/div><\/div>\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\r\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\r\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Send<\/span>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\r\n\t\t\t\t\t<\/button>\r\n\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"da\"\/><\/form>\r\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Hvorfor har et firkantet kulfiberr\u00f8r lavere stivhed end et rundt r\u00f8r? Indholdsfortegnelse Reelle testresultater fra et luftfartsprojekt I et luftfartsprojekt, jeg arbejdede p\u00e5, st\u00f8dte et team p\u00e5 et problem, der i f\u00f8rste omgang ikke gav mening. De testede et firkantet kulfiberr\u00f8r og et rundt. [\u2026]<\/p>","protected":false},"author":1,"featured_media":5245,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5228","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-about-carbon"],"_links":{"self":[{"href":"https:\/\/dycarbonfiber.com\/da\/wp-json\/wp\/v2\/posts\/5228","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dycarbonfiber.com\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dycarbonfiber.com\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dycarbonfiber.com\/da\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dycarbonfiber.com\/da\/wp-json\/wp\/v2\/comments?post=5228"}],"version-history":[{"count":12,"href":"https:\/\/dycarbonfiber.com\/da\/wp-json\/wp\/v2\/posts\/5228\/revisions"}],"predecessor-version":[{"id":5254,"href":"https:\/\/dycarbonfiber.com\/da\/wp-json\/wp\/v2\/posts\/5228\/revisions\/5254"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dycarbonfiber.com\/da\/wp-json\/wp\/v2\/media\/5245"}],"wp:attachment":[{"href":"https:\/\/dycarbonfiber.com\/da\/wp-json\/wp\/v2\/media?parent=5228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dycarbonfiber.com\/da\/wp-json\/wp\/v2\/categories?post=5228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dycarbonfiber.com\/da\/wp-json\/wp\/v2\/tags?post=5228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}