{"id":1562,"date":"2021-01-05T15:41:19","date_gmt":"2021-01-05T14:41:19","guid":{"rendered":"http:\/\/tst.minijets.org\/?page_id=1562"},"modified":"2024-05-29T21:09:31","modified_gmt":"2024-05-29T19:09:31","slug":"prometheus-1","status":"publish","type":"page","link":"https:\/\/minijets.org\/fr\/0-100\/microturbo-eclair\/prometheus-1\/","title":{"rendered":"Prometheus I"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"block-3f11171e-fbdc-4d62-9221-4a6978c6f6eb\">EFF (Entwicklungsgemeinschaft for Flugzugbau der Akademischen Fluggruppe)<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"950\" height=\"150\" src=\"http:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-06.jpg\" alt=\"Prometheus I\" class=\"wp-image-1020\" srcset=\"https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-06.jpg 950w, https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-06-300x47.jpg 300w, https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-06-768x121.jpg 768w, https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-06-18x3.jpg 18w\" sizes=\"auto, (max-width: 950px) 100vw, 950px\" \/><figcaption class=\"wp-element-caption\">Prometheus 1, HB-2020, takes off from Olten-Gheid on the 12th August, 1972. Source : VGC New Spring 2015, Photo: Erich Gandet<\/figcaption><\/figure>\n\n\n\n<p>Le Prometheus I est issu d\u2019un programme lanc\u00e9 en&nbsp;<strong>1970&nbsp;<\/strong>par des membres de l&#8217;<a href=\"https:\/\/www.afg.ethz.ch\/\" data-type=\"URL\" data-id=\"https:\/\/www.afg.ethz.ch\/\" target=\"_blank\" rel=\"noopener\">Akademische Fluggruppe<\/a>&nbsp;(AFG) de Zurich. Parmi eux on trouve&nbsp;<strong>T. Bircher<\/strong>, un des principaux constructeurs du planeur <a href=\"http:\/\/lesgpr.free.fr\/construire\/diamant\/diamant.htm\" data-type=\"URL\" data-id=\"http:\/\/lesgpr.free.fr\/construire\/diamant\/diamant.htm\" target=\"_blank\" rel=\"noopener\">Diamant<\/a>,&nbsp;<strong>A.Schiller<\/strong>, qui a enti\u00e8rement con\u00e7u et r\u00e9alis\u00e9 le FS-1,&nbsp;<strong>P. Senn<\/strong>, qui a construit un Weihe et r\u00e9par\u00e9 de nombreux planeurs et&nbsp;<strong>D. Favarger<\/strong>, responsable de la Technische Abteilung de l&#8217;AFG. Afin de mener \u00e0 bien ce projet, ils ont fond\u00e9  <strong>EFF<\/strong>&nbsp;(Entwicklungsgemeinschaft fur Flugzeugbau : Groupe d&#8217;\u00e9tude et de construction a\u00e9ronautique)<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<p>The Prometheus 1 was an experimental powered sailplane, based on the airframe of the FFA Diamant 18.&nbsp;Design and construction began in late 1970, and the aircraft flew for the first time on&nbsp;<strong>21 June 1971<\/strong>, powered by a 176 lb (80 kg)&nbsp;<a href=\"https:\/\/minijets.org\/0-100\/microturbo-eclair\/\" data-type=\"page\" data-id=\"1010\">Microturbo Eclair<\/a><strong> II<\/strong>&nbsp;turbojet engine. This had been later replaced by a more powerful TRS 25 engine.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"181\" src=\"http:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-2.jpg\" alt=\"Prometheus I\" class=\"wp-image-1022\" srcset=\"https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-2.jpg 500w, https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-2-300x109.jpg 300w, https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-2-18x7.jpg 18w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><figcaption class=\"wp-element-caption\">EEF Prometheus 1 powered sailplane<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"243\" src=\"http:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-1.jpg\" alt=\"Prometheus I\" class=\"wp-image-1029\" srcset=\"https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-1.jpg 500w, https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-1-300x146.jpg 300w, https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-1-18x9.jpg 18w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><figcaption class=\"wp-element-caption\">Fligth Archives 1972 &#8211; Prometheus I<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"334\" src=\"http:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-5.jpg\" alt=\"\" class=\"wp-image-1024\" srcset=\"https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-5.jpg 500w, https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-5-300x200.jpg 300w, https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-5-18x12.jpg 18w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<h2 class=\"wp-block-heading\">Description g\u00e9n\u00e9rale<\/h2>\n\n\n\n<p>Les ailes, le fuselage, les empennages et le train d&#8217;atterrissage proviennent d&#8217;un Dimant 18<\/p>\n\n\n\n<p><strong>Aile :<\/strong> Monoplan \u00e0 aile haute cantilever. Profil d&#8217;aile de type Wortmann modifi\u00e9. Coque en sandwich de fibre de verre et mousse, sans nervures, attach\u00e9e par un boulon central de chaque c\u00f4t\u00e9. Ailerons et volets hypersustentateurs massiques \u00e9quilibr\u00e9s, de construction similaire \u00e0 celle des ailes. D\u00e9viation des volets (15\u00b0 en haut, 12\u00b0 en bas) synchronis\u00e9e avec un mouvement partiel des ailerons vers le bas. A\u00e9rofreins de type Schempp-Hirth.<\/p>\n\n\n\n<p><strong>Fuselage :<\/strong> Monocoque en sandwich \u00e9poxy-fibre de verre, avec inserts en mousse.<\/p>\n\n\n\n<p><strong>Empennage :<\/strong> Type T cantilever avec une surface horizontale monobloc en fibre de verre. Trim r\u00e9gl\u00e9 par un syst\u00e8me \u00e0 ressort dans le fuselage. Surface verticale monocoque en sandwich \u00e9poxy-fibre de verre avec inserts en mousse.<\/p>\n\n\n\n<p><strong>Train d&#8217;atterrissage :<\/strong> Mono-roue r\u00e9tractable manuellement de type 4-00-4 avec frein. Amortisseur \u00e0 ressort en anneau de fibre de verre. Pneumatique en nylon 300 x 100. Petite roulette de queue en nylon (option patin de queue). Crochet de remorquage de type E.<\/p>\n\n\n\n<p><strong>Moteur<\/strong> : un Micro turbo Eclair II de 100 Kgp, puis un Microturbo TRS 25, mont\u00e9 sur un pylone, au-dessus de la section centrale des ailes.<\/p>\n\n\n\n<p><strong>Carburant<\/strong> : deux r\u00e9servoirs de 40 litres K\u00e9ros\u00e8ne chacun dans les ailes, et un de 1.8 litre dans le fuselage<\/p>\n\n\n\n<p><strong>Huile<\/strong> : un r\u00e9servoir de 0.5 litres<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"950\" height=\"162\" src=\"http:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-4.jpg\" alt=\"Prometheus I\" class=\"wp-image-1026\" srcset=\"https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-4.jpg 950w, https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-4-300x51.jpg 300w, https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-4-768x131.jpg 768w, https:\/\/minijets.org\/wp-content\/uploads\/2020\/12\/prometheus1-4-18x3.jpg 18w\" sizes=\"auto, (max-width: 950px) 100vw, 950px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>EFF (Entwicklungsgemeinschaft for Flugzugbau der Akademischen Fluggruppe) Le Prometheus I est issu d\u2019un programme lanc\u00e9 en&nbsp;1970&nbsp;par des membres de l&#8217;Akademische Fluggruppe&nbsp;(AFG) de Zurich. Parmi eux on trouve&nbsp;T. Bircher, un des principaux constructeurs du planeur Diamant,&nbsp;A.Schiller, qui a enti\u00e8rement con\u00e7u et r\u00e9alis\u00e9 le FS-1,&nbsp;P. Senn, qui a construit un Weihe et r\u00e9par\u00e9 de nombreux planeurs et&nbsp;D. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1022,"parent":1010,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[17],"tags":[],"planes-000-100":[],"class_list":["post-1562","page","type-page","status-publish","has-post-thumbnail","hentry","category-plane-000-100"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/minijets.org\/fr\/wp-json\/wp\/v2\/pages\/1562","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/minijets.org\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/minijets.org\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/minijets.org\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/minijets.org\/fr\/wp-json\/wp\/v2\/comments?post=1562"}],"version-history":[{"count":8,"href":"https:\/\/minijets.org\/fr\/wp-json\/wp\/v2\/pages\/1562\/revisions"}],"predecessor-version":[{"id":8813,"href":"https:\/\/minijets.org\/fr\/wp-json\/wp\/v2\/pages\/1562\/revisions\/8813"}],"up":[{"embeddable":true,"href":"https:\/\/minijets.org\/fr\/wp-json\/wp\/v2\/pages\/1010"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/minijets.org\/fr\/wp-json\/wp\/v2\/media\/1022"}],"wp:attachment":[{"href":"https:\/\/minijets.org\/fr\/wp-json\/wp\/v2\/media?parent=1562"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/minijets.org\/fr\/wp-json\/wp\/v2\/categories?post=1562"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/minijets.org\/fr\/wp-json\/wp\/v2\/tags?post=1562"},{"taxonomy":"planes-000-100","embeddable":true,"href":"https:\/\/minijets.org\/fr\/wp-json\/wp\/v2\/planes-000-100?post=1562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}