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.elementor-element.elementor-element-17ba239{--width:100%;--flex-direction:column;--container-widget-width:100%;--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;}}</style>{"id":5803,"date":"2025-10-06T12:18:40","date_gmt":"2025-10-06T11:18:40","guid":{"rendered":"https:\/\/www.connova.com\/news\/themis-auf-dem-pruefstand-wiederverwendbare-cfk-landebeine-von-connova-in-kombinierten-tests\/"},"modified":"2026-03-26T11:01:47","modified_gmt":"2026-03-26T11:01:47","slug":"themis-auf-dem-pruefstand-wiederverwendbare-cfk-landebeine-von-connova-in-kombinierten-tests","status":"publish","type":"post","link":"https:\/\/www.connova.com\/fr\/news\/themis-auf-dem-pruefstand-wiederverwendbare-cfk-landebeine-von-connova-in-kombinierten-tests\/","title":{"rendered":"Themis sur le banc d&rsquo;essai : les atterrisseurs r\u00e9utilisables en PRFC de Connova soumis \u00e0 des tests combin\u00e9s"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"5803\" class=\"elementor elementor-5803 elementor-4736\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5dccb89 e-flex e-con-boxed e-con e-parent\" data-id=\"5dccb89\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-1c38b40 e-con-full e-flex e-con e-child\" data-id=\"1c38b40\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-e83b2c7 e-con-full e-flex e-con e-child\" data-id=\"e83b2c7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1d4eb1d elementor-widget elementor-widget-image\" data-id=\"1d4eb1d\" 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<img fetchpriority=\"high\" decoding=\"async\" width=\"2176\" height=\"1218\" src=\"https:\/\/www.connova.com\/wp-content\/uploads\/2025\/10\/Wiederverwendbare-CFK-Landebeine.png\" class=\"attachment-full size-full wp-image-5805\" alt=\"Pieds d&apos;atterrissage en PRFC r\u00e9utilisables\" srcset=\"https:\/\/www.connova.com\/wp-content\/uploads\/2025\/10\/Wiederverwendbare-CFK-Landebeine.png 2176w, https:\/\/www.connova.com\/wp-content\/uploads\/2025\/10\/Wiederverwendbare-CFK-Landebeine-300x168.png 300w, https:\/\/www.connova.com\/wp-content\/uploads\/2025\/10\/Wiederverwendbare-CFK-Landebeine-1024x573.png 1024w, https:\/\/www.connova.com\/wp-content\/uploads\/2025\/10\/Wiederverwendbare-CFK-Landebeine-768x430.png 768w, https:\/\/www.connova.com\/wp-content\/uploads\/2025\/10\/Wiederverwendbare-CFK-Landebeine-1536x860.png 1536w, https:\/\/www.connova.com\/wp-content\/uploads\/2025\/10\/Wiederverwendbare-CFK-Landebeine-2048x1146.png 2048w\" sizes=\"(max-width: 2176px) 100vw, 2176px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c8cb6eb elementor-widget elementor-widget-text-editor\" data-id=\"c8cb6eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong><em>Images : Almatech \/ ArianeGroup<\/em><\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4b68fd7 e-con-full e-flex e-con e-child\" data-id=\"4b68fd7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-47e9da2 e-con-full e-flex e-con e-child\" data-id=\"47e9da2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-00dbbe1 elementor-widget elementor-widget-heading\" data-id=\"00dbbe1\" 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\">Themis sur le banc d'essai : les atterrisseurs r\u00e9utilisables en PRFC de Connova soumis \u00e0 des tests combin\u00e9s<\/h1>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7d1fba7 e-con-full e-flex e-con e-child\" data-id=\"7d1fba7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c4d8cb7 elementor-widget elementor-widget-text-editor\" data-id=\"c4d8cb7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><p style=\"font-weight: 400;\">Connova, en collaboration avec Almatech, a con\u00e7u et fabriqu\u00e9 quatre pieds d&rsquo;atterrissage en PRFC pour le d\u00e9monstrateur europ\u00e9en Themis. Les composants combinent une grande rigidit\u00e9, un faible poids et une qualit\u00e9 de fabrication reproductible \u2013 des conditions pr\u00e9alables pour permettre la r\u00e9utilisation en toute fiabilit\u00e9.<\/p><p style=\"font-weight: 400;\">Apr\u00e8s l&rsquo;arriv\u00e9e du prototype au centre spatial d&rsquo;Esrange (Su\u00e8de), ArianeGroup a termin\u00e9 l&rsquo;int\u00e9gration et positionn\u00e9 l&rsquo;\u00e9tage sur le complexe de lancement. Les tests combin\u00e9s commencent alors : le couplage avec les installations m\u00e9caniques, \u00e9lectriques et fluidiques de la base de lancement fait l&rsquo;objet d&rsquo;essais complets, y compris des tests dans des conditions cryog\u00e9niques. Un premier test de saut \u00e0 basse altitude \u2013 d\u00e9collage, vol court, atterrissage pr\u00e9cis \u2013 est ensuite pr\u00e9vu dans le cadre du programme europ\u00e9en SALTO.<\/p><h2 style=\"font-weight: 400;\"><strong>Notre contribution en bref<\/strong><\/h2><ul><li><strong>Quatre pieds d&rsquo;atterrissage en PRFC :<\/strong> Fabrication des principaux composants m\u00e9caniques (grandes barres en CFRP avec ferrures d&rsquo;extr\u00e9mit\u00e9 en aluminium\/acier), con\u00e7us pour des changements de charge r\u00e9p\u00e9t\u00e9s et des atterrissages pr\u00e9cis. Chaque unit\u00e9 a \u00e9t\u00e9 mesur\u00e9e avec pr\u00e9cision et contr\u00f4l\u00e9e, entre autres, par ultrasons.<\/li><li><strong>Comp\u00e9tence de bout en bout :<\/strong> d\u00e9veloppement de processus, fabrication d&rsquo;outils et de moules (y compris les mandrins d&rsquo;enroulement), processus d&rsquo;enroulement de fibres pour les tubes de grand diam\u00e8tre, usinage CNC avec rainurage en correspondance du PRFC et du m\u00e9tal, installation d&rsquo;autoclave\/de fabrication, m\u00e9trologie et contr\u00f4le qualit\u00e9.<\/li><li><strong>Partenariat &amp; programme li\u00e9 :<\/strong> Sous-traitance d&rsquo;<strong>Almatech<\/strong> (Engineering) \u00e0 Connova (Manufacturing) ; int\u00e9gration par Almatech, implication dans le projet ESA <strong>Themis<\/strong> avec ArianeGroup. Premi\u00e8re int\u00e9gration en 2022, autres livraisons d&rsquo;ici mi-2023 ; campagne d&rsquo;essai pr\u00e9vue sur le site de Kiruna\/Esrange.<\/li><li><strong>Effet d&rsquo;all\u00e8gement :<\/strong> le concept PRFC permet une r\u00e9duction de poids d&rsquo;environ <strong>25-30%<\/strong> par rapport aux solutions purement m\u00e9talliques \u2013 un levier central pour la r\u00e9utilisation et la rentabilit\u00e9.<\/li><\/ul><\/div><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/section><section class=\"separator\"><\/section><\/div><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb489d8 elementor-widget elementor-widget-image\" data-id=\"fb489d8\" 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<img decoding=\"async\" width=\"800\" height=\"608\" src=\"https:\/\/www.connova.com\/wp-content\/uploads\/2025\/10\/Bildschirmfoto-2025-10-06-um-13.27.42-1024x778.png\" class=\"attachment-large size-large wp-image-5806\" alt=\"Themis sur le banc d&apos;essai : les atterrisseurs r\u00e9utilisables en PRFC de Connova soumis \u00e0 des tests combin\u00e9s\" srcset=\"https:\/\/www.connova.com\/wp-content\/uploads\/2025\/10\/Bildschirmfoto-2025-10-06-um-13.27.42-1024x778.png 1024w, https:\/\/www.connova.com\/wp-content\/uploads\/2025\/10\/Bildschirmfoto-2025-10-06-um-13.27.42-300x228.png 300w, https:\/\/www.connova.com\/wp-content\/uploads\/2025\/10\/Bildschirmfoto-2025-10-06-um-13.27.42-768x583.png 768w, https:\/\/www.connova.com\/wp-content\/uploads\/2025\/10\/Bildschirmfoto-2025-10-06-um-13.27.42.png 1388w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-28277e6 elementor-widget elementor-widget-text-editor\" data-id=\"28277e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><section class=\"content-col-header\"><div class=\"container\"><div class=\"row\"><div class=\"col-10 offset-1 col-lg-8 offset-lg-2\"><div class=\"subtitle\"><h2><strong>Themis en bref<\/strong><\/h2><p style=\"font-weight: 400;\">Themis est un d\u00e9monstrateur europ\u00e9en d&rsquo;\u00e9tage principal r\u00e9utilisable \u00e0 l&rsquo;\u00e9chelle d&rsquo;un lanceur de charge moyenne \u00e0 lourde. D\u00e9velopp\u00e9 dans le cadre d&rsquo;un programme de l&rsquo;ESA par ArianeGroup. Chiffres cl\u00e9s : environ 30 m de hauteur ; propulseur Prometheus\u00ae d&rsquo;environ 100 t de pouss\u00e9e. Objectif : valider les syst\u00e8mes de d\u00e9collage, d&rsquo;atterrissage et au sol.<\/p><h2 style=\"font-weight: 400;\"><strong>Pourquoi des atterrisseurs en PRFC ?<\/strong><\/h2><ul><li><strong>Rapport rigidit\u00e9\/poids :<\/strong> le PRFC permet de r\u00e9duire consid\u00e9rablement la masse pour la m\u00eame s\u00e9curit\u00e9 fonctionnelle \u2013 dans le contexte de Themis, environ <strong>25 \u00e0 30 % de gain de poids<\/strong> par rapport \u00e0 une solution purement m\u00e9tallique. Cela cr\u00e9e des r\u00e9serves pour la r\u00e9utilisation et la dynamique d&rsquo;atterrissage.<\/li><li><strong>Comportement pendant la dur\u00e9e de vie :<\/strong> La structure est con\u00e7ue pour supporter <strong>des changements de charge r\u00e9p\u00e9t\u00e9s<\/strong> et des pics de charge \u00e9lev\u00e9s \u2013 condition centrale pour des d\u00e9collages r\u00e9p\u00e9t\u00e9s et des atterrissages pr\u00e9cis d&rsquo;un d\u00e9monstrateur r\u00e9utilisable.<br>Connova-Group-Case-Study-EN-2 (&#8230;<\/li><li><strong>Int\u00e9gration fonctionnelle &amp; Pr\u00e9cision :<\/strong> <strong>le triage par correspondance<\/strong> du PRFC et du m\u00e9tal, la mesure pr\u00e9cise et le <strong>contr\u00f4le par ultrasons<\/strong> garantissent des tol\u00e9rances \u00e9troites et une <strong>gestion<\/strong> propre <strong>des interfaces<\/strong> dans l&rsquo;int\u00e9gration du syst\u00e8me.<\/li><li><em>Valeur ajout\u00e9e dans le contexte du programme :<\/em> le concept de PRFC permet <strong>de r\u00e9duire les co\u00fbts de maintenance<\/strong> et <strong>de rentabilit\u00e9<\/strong> sur plusieurs cycles de test \u2013 un levier pour les objectifs de Themis en mati\u00e8re de r\u00e9utilisation.<\/li><\/ul><p style=\"font-weight: 400;\">Pour plus d&rsquo;informations sur le concept, la production et les tests, <a href=\"https:\/\/www.connova.com\/fr\/etude-de-cas-patte-datterrissage\/\">t\u00e9l\u00e9chargez gratuitement l&rsquo;\u00e9tude de cas Almatech \u2013 Pied d&rsquo;atterrissage en PRFC en cliquant sur ce lien.<\/a><\/p><\/div><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/section><section class=\"separator\"><\/section><\/div><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div><\/section>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a95861 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"9a95861\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.connova.com\/fr\/etude-de-cas-patte-datterrissage\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">T\u00e9l\u00e9charger maintenant<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-17ba239 e-con-full e-flex e-con e-child\" data-id=\"17ba239\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e9e0ab0 elementor-widget elementor-widget-image\" data-id=\"e9e0ab0\" 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:\/\/www.connova.com\/fr\/etude-de-cas-patte-datterrissage\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"449\" src=\"https:\/\/www.connova.com\/wp-content\/uploads\/2025\/09\/Bildschirmfoto-2023-12-11-um-17.19.49-1024x575.webp\" class=\"attachment-large size-large wp-image-5447\" alt=\"\" srcset=\"https:\/\/www.connova.com\/wp-content\/uploads\/2025\/09\/Bildschirmfoto-2023-12-11-um-17.19.49-1024x575.webp 1024w, https:\/\/www.connova.com\/wp-content\/uploads\/2025\/09\/Bildschirmfoto-2023-12-11-um-17.19.49-300x168.webp 300w, https:\/\/www.connova.com\/wp-content\/uploads\/2025\/09\/Bildschirmfoto-2023-12-11-um-17.19.49-768x431.webp 768w, https:\/\/www.connova.com\/wp-content\/uploads\/2025\/09\/Bildschirmfoto-2023-12-11-um-17.19.49-1536x862.webp 1536w, https:\/\/www.connova.com\/wp-content\/uploads\/2025\/09\/Bildschirmfoto-2023-12-11-um-17.19.49.webp 1642w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Connova a con\u00e7u et fabriqu\u00e9, en collaboration avec Almatech, quatre pieds d&rsquo;atterrissage en PRFC pour le d\u00e9monstrateur europ\u00e9en Themis. Les composants combinent une grande rigidit\u00e9, un faible poids et une qualit\u00e9 de fabrication reproductible \u2013 des conditions pr\u00e9alables pour permettre la r\u00e9utilisation de mani\u00e8re fiable. <\/p>\n","protected":false},"author":1,"featured_media":5805,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-5803","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classe"],"_links":{"self":[{"href":"https:\/\/www.connova.com\/fr\/wp-json\/wp\/v2\/posts\/5803","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.connova.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.connova.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.connova.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.connova.com\/fr\/wp-json\/wp\/v2\/comments?post=5803"}],"version-history":[{"count":0,"href":"https:\/\/www.connova.com\/fr\/wp-json\/wp\/v2\/posts\/5803\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.connova.com\/fr\/wp-json\/wp\/v2\/media\/5805"}],"wp:attachment":[{"href":"https:\/\/www.connova.com\/fr\/wp-json\/wp\/v2\/media?parent=5803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.connova.com\/fr\/wp-json\/wp\/v2\/categories?post=5803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.connova.com\/fr\/wp-json\/wp\/v2\/tags?post=5803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}