TURBINE_RETRACTABLE_ASH2.PDF<\/a><\/p>\nContexte :<\/h3>\n
J\u2019ai d\u00e9j\u00e0 r\u00e9alis\u00e9 une turbine r\u00e9tractable install\u00e9e sur un grand planeur radiocommand\u00e9 de 7m d\u2019envergure ,
\ndont les d\u00e9tails figurent dans mon article en date du 8 f\u00e9vrier 2019.
\nLe but de ce m\u00e9canisme est d\u2019int\u00e9grer le syst\u00e8me dans un fuselage sensiblement plus \u00e9troit en hauteur ,
\ntout en gardant la m\u00eame turbine de 120mm..
\nLe m\u00e9canisme d\u00e9j\u00e0 r\u00e9alis\u00e9 fait une hauteur hors tout de 270mm, la hauteur disponible sur l\u2019 ASH 26 est de
\n205mm.<\/p>\n
Solution :<\/h3>\n
\u00ab Compacter \u00bb l\u2019ensemble en modifiant la position du moteur pas \u00e0 pas : actuellement situ\u00e9 en bout du m\u00e9canisme, j\u2019ai num\u00e9ris\u00e9 sur Freecad une version avec moteur pas \u00e0 pas \u00e0 l\u2019arri\u00e8re, n\u00e9cessitant
\nl\u2019utilisation de poulies et courroie de transmission.<\/p>\n
Le m\u00e9canisme finalis\u00e9 n\u00e9cessite la r\u00e9alisation de :<\/h3>\n
5 Pi\u00e8ces principales en impression 3D : Support haut, support moteur, chariot, pi\u00e8ce de fixation,
\nsupports capteurs.
\n4 Pi\u00e8ces principales en carbone de 3mm usin\u00e9s en CNC : 2 flancs lat\u00e9raux et 2 supports turbine.
\nR\u00e9alisation d\u2019un moule en impression 3D pour ceinture de fixation turbine moul\u00e9e par stratification
\ntissus carbone et r\u00e9sine \u00e9poxy.
\nR\u00e9alisation d\u2019un capot impression 3 D pour carte \u00e9lectronique.
\nR\u00e9alisation de supports de prises en impression 3D.
\nL\u2019\u00e9lectronique de commande est la m\u00eame que celle du pr\u00e9c\u00e9dent m\u00e9canisme : elle sera probablement
\nrevue pour int\u00e9grer une carte de commande moteur ; de plus, les capteurs fin de course sont \u00e0 effet Hall
\nen lieu et place de capteurs optiques.<\/p>\n
G\u00e9rard Muzergues, membre du Fablab et Pr\u00e9sident Comit\u00e9 D\u00e9partemental A\u00e9romod\u00e9lisme…<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"Mod\u00e9lisation et r\u00e9alisation d\u2019un m\u00e9canisme de turbine r\u00e9tractable sur planeur radiocommand\u00e9 ASH 26E de 6m d\u2019envergure, poids 15kg. TURBINE_RETRACTABLE_ASH2.PDF Contexte : J\u2019ai d\u00e9j\u00e0 r\u00e9alis\u00e9 une turbine r\u00e9tractable install\u00e9e sur un grand planeur radiocommand\u00e9 de 7m d\u2019envergure , dont les d\u00e9tails figurent dans mon article en date du 8 f\u00e9vrier 2019. Le but de ce m\u00e9canisme […]<\/p>\n","protected":false},"author":89,"featured_media":618,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-614","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-realisations"],"yoast_head":"\n
Mod\u00e9lisation et r\u00e9alisation d\u2019un m\u00e9canisme de turbine r\u00e9tractable - FABLAB19<\/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:\/\/asso.unilim.fr\/fablab19\/2020\/05\/30\/modelisation-et-realisation-dun-mecanisme-de-turbine-retractable\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mod\u00e9lisation et r\u00e9alisation d\u2019un m\u00e9canisme de turbine r\u00e9tractable - FABLAB19\" \/>\n<meta property=\"og:description\" content=\"Mod\u00e9lisation et r\u00e9alisation d\u2019un m\u00e9canisme de turbine r\u00e9tractable sur planeur radiocommand\u00e9 ASH 26E de 6m d\u2019envergure, poids 15kg. 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