{"id":145,"date":"2025-09-22T17:29:04","date_gmt":"2025-09-22T17:29:04","guid":{"rendered":"https:\/\/jabiru.dk\/?page_id=145"},"modified":"2026-03-29T20:59:48","modified_gmt":"2026-03-29T20:59:48","slug":"reparation-og-beregninger","status":"publish","type":"page","link":"https:\/\/jabiru.dk\/index.php\/reparation-og-beregninger\/","title":{"rendered":"Reparation og beregninger"},"content":{"rendered":"\n<p>Har du behov for hj\u00e6lp, r\u00e5dgivning eller reparation af dit Jabiru fly eller motor, vil jeg gerne v\u00e6re behj\u00e6lpelig. V\u00e6rkstedet ligger p\u00e5 R\u00e5rup flyveplads ved Horsens.<\/p>\n\n\n\n<p>Jeg kan tilbyde komposit og fly reparation men ogs\u00e5 reparation af motor og avionik. Strukturelle beregninger kan jeg ogs\u00e5 v\u00e6re behj\u00e6lpelig med.<\/p>\n\n\n\n<p>Om metoder og praksis ved reparation af skader i flyet komposit struktur kan der l\u00e6ses om her.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/jabiru.dk\/wp-content\/uploads\/2025\/09\/AC-43.13-1B-Acceptable-Methods-Techn.pdf\">AC 43.13-1B &#8211; Acceptable Methods, Techniques, and Practices<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/jabiru.dk\/wp-content\/uploads\/2025\/09\/Kleine-Fiberglas-Flugzeug-Flick-Fibel.pdf\">Kleine-Fiberglas-Flugzeug-Flick-Fibel<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/jabiru.dk\/wp-content\/uploads\/2025\/10\/Handbuch_englisch.pdf\">Handbuch_englisch.pdf<\/a><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p>Jabiru, Australien har ogs\u00e5 omfattende frit tilg\u00e6ngelig materiale omkring deres motorer, og manualerne kan hentes her.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/jabiru.aero\/operating-maintenance-and-installation-manuals\/\">https:\/\/jabiru.aero\/operating-maintenance-and-installation-manuals\/<\/a><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p>Strukturelle beregninger med avancerede programmer er eksempelvis udf\u00f8rt p\u00e5 j170 n\u00e6sehjulgaffel i aluminiumtypen EN-AW5083-H112. Belastninger efter LSA krav i ASTM, F2245. Billedet viser resultaterne af en statik FEA analyse med eksempelvis V. Mises reference sp\u00e6nding, som er meget under tilladelig niveau.<\/p>\n\n\n\n<div class=\"wp-block-cover\"><img loading=\"lazy\" decoding=\"async\" width=\"823\" height=\"655\" class=\"wp-block-cover__image-background wp-image-205\" alt=\"\" src=\"https:\/\/jabiru.dk\/wp-content\/uploads\/2025\/10\/FEM_arm.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/jabiru.dk\/wp-content\/uploads\/2025\/10\/FEM_arm.jpg 823w, https:\/\/jabiru.dk\/wp-content\/uploads\/2025\/10\/FEM_arm-300x239.jpg 300w, https:\/\/jabiru.dk\/wp-content\/uploads\/2025\/10\/FEM_arm-768x611.jpg 768w\" sizes=\"auto, (max-width: 823px) 100vw, 823px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p>Der er udf\u00f8rt strukturelle analytiske beregninger i forbindelse med vurdering af jabiru&#8217;s 450 kg MTOW vinge. Billedet nedenfor viser en s\u00e5dan opsk\u00e5ret vinge.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/jabiru.dk\/wp-content\/uploads\/2025\/11\/20250708_145814-768x1024.jpg\" alt=\"\" class=\"wp-image-229\" style=\"width:434px;height:auto\" srcset=\"https:\/\/jabiru.dk\/wp-content\/uploads\/2025\/11\/20250708_145814-768x1024.jpg 768w, https:\/\/jabiru.dk\/wp-content\/uploads\/2025\/11\/20250708_145814-225x300.jpg 225w, https:\/\/jabiru.dk\/wp-content\/uploads\/2025\/11\/20250708_145814-1152x1536.jpg 1152w, https:\/\/jabiru.dk\/wp-content\/uploads\/2025\/11\/20250708_145814-1536x2048.jpg 1536w, https:\/\/jabiru.dk\/wp-content\/uploads\/2025\/11\/20250708_145814-scaled.jpg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p>Beregningerne er udf\u00f8rt for at dokumentere at tank l\u00e6kager med Mogas\/ethanol ikke er af strukturel betydning, men kun kosmetisk. <a href=\"https:\/\/jabiru.dk\/wp-content\/uploads\/2025\/10\/styrkeberegning-UL-450-vinge.pdf\">L\u00e6s rapporten her<\/a>.<\/p>\n\n\n\n<p>Desuden udf\u00f8relse af test at Mogas\/ethanol p\u00e5virkning af komposit materialer og coating produkter. <a href=\"https:\/\/jabiru.dk\/wp-content\/uploads\/2025\/10\/ethanol-paavirkning.pdf\">L\u00e6s rapporten her.<\/a><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Materialesvigt p\u00e5 ultralette fly sker b\u00e5de som korttids deformation eller overbelastningsbrud. Det er oftest som f\u00f8lge af pilotfejl i forbindelse med landing eller tilsvarende, som nok burde v\u00e6re undg\u00e5et.<\/p>\n\n\n\n<p>Mere bekymrende er udmattelsesbrud i metalliske dele som optr\u00e6der uden forudg\u00e5ende varsel, og kan have fatale konsekvenser, hvis det sker i afg\u00f8rende komponenter.<\/p>\n\n\n\n<p>Det er sket med de ultralette metalfly s\u00e5som Evektor, A22 og Savannah, som vi er meget udbredte her i DK. Udmattelsesbrud i strukturelle dele ses i metalliske materialer som aluminium, st\u00e5ldele og her vil der blive beskrevet grundl\u00e6ggende teori om emnet. <a href=\"https:\/\/jabiru.dk\/wp-content\/uploads\/2025\/10\/udmattelse-af-metaller.pdf\">L\u00e6s  mere her<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Har du behov for hj\u00e6lp, r\u00e5dgivning eller reparation af dit Jabiru fly eller motor, vil jeg gerne v\u00e6re behj\u00e6lpelig. V\u00e6rkstedet ligger p\u00e5 R\u00e5rup flyveplads ved Horsens. Jeg kan tilbyde komposit og fly reparation men ogs\u00e5 reparation af motor og avionik. Strukturelle beregninger kan jeg ogs\u00e5 v\u00e6re behj\u00e6lpelig med. Om metoder og praksis ved reparation af [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-145","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/jabiru.dk\/index.php\/wp-json\/wp\/v2\/pages\/145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jabiru.dk\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/jabiru.dk\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/jabiru.dk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jabiru.dk\/index.php\/wp-json\/wp\/v2\/comments?post=145"}],"version-history":[{"count":26,"href":"https:\/\/jabiru.dk\/index.php\/wp-json\/wp\/v2\/pages\/145\/revisions"}],"predecessor-version":[{"id":266,"href":"https:\/\/jabiru.dk\/index.php\/wp-json\/wp\/v2\/pages\/145\/revisions\/266"}],"wp:attachment":[{"href":"https:\/\/jabiru.dk\/index.php\/wp-json\/wp\/v2\/media?parent=145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}