{"id":2007,"date":"2025-06-15T17:07:29","date_gmt":"2025-06-15T15:07:29","guid":{"rendered":"https:\/\/er-ig.de\/cms\/?page_id=2007"},"modified":"2026-02-14T15:08:17","modified_gmt":"2026-02-14T14:08:17","slug":"hydra","status":"publish","type":"page","link":"https:\/\/er-ig.de\/cms\/hydra\/","title":{"rendered":"HYDRA"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\" style=\"font-style:normal;font-weight:300\"><strong>HY<\/strong>brid<strong>D<\/strong>emonstrations-<strong>R<\/strong>aketen<strong>A<\/strong>ntrieb<\/h1>\n\n\n\n<p>Im Rahmen des <em>HYbridDemonstrations-RaketenAntrieb<\/em> (HYDRA) Programms entwickelt die ERIG seit 2001 iterativ eine Reihe an Hybridtriebwerken f\u00fcr unsere Experimentalraketen.<\/p>\n\n\n\n<p>Ein Hybridtriebwerk verwendet im Gegensatz zu Fest-Fest bzw. Fl\u00fcssig-Fl\u00fcssig Antrieben sowohl eine Feste, als auch eine Fl\u00fcssige Treibstoffkomponente. In unserem Fall nutzen wir einen festen Treibstoff Zylinder und einen Fl\u00fcssigen bzw. Gasf\u00f6rmigen Oxidator.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69d6695c75cd1&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69d6695c75cd1\" class=\"wp-block-image alignright size-large is-resized wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"444\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_1-1024x444.jpg\" alt=\"\" class=\"wp-image-2015\" style=\"width:300px\" srcset=\"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_1-1024x444.jpg 1024w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_1-300x130.jpg 300w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_1-768x333.jpg 768w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_1-1536x666.jpg 1536w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_1-2048x888.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Vergr\u00f6\u00dfern\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">HYDRA 1<\/h2>\n\n\n\n<p>HYDRA 1 war ein Proof of Concept Antrieb mit Laborma\u00dfstab.<\/p>\n\n\n\n<p>Als Treibstoff verwendete es sowohl PE, als auch PMMA Zylinder, mit einem Durchmesser 3 cm und einer L\u00e4nge von 10 cm. Gasf\u00f6rmiger Sauerstoff wurde als Oxidationsmittel verwendet.<\/p>\n\n\n\n<p>Als Z\u00fcnder verwendete HYDRA 1 ein Wasserstoff-Sauerstoff mix, welches durch einen Glow Plug gez\u00fcndet wurde.<\/p>\n\n\n\n<p>Ziel war es als Proof of Concept Demonstrator lediglich eine Triebwerksz\u00fcndung zu erreichen und Grundlegendes wissen f\u00fcr die Entwicklung f\u00fcr Hybridtriebwerke zu erlernen.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69d6695c7605c&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69d6695c7605c\" class=\"wp-block-image alignright size-large is-resized wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"444\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_2-1024x444.jpg\" alt=\"\" class=\"wp-image-2016\" style=\"width:300px\" srcset=\"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_2-1024x444.jpg 1024w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_2-300x130.jpg 300w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_2-768x333.jpg 768w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_2-1536x666.jpg 1536w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_2-2048x888.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Vergr\u00f6\u00dfern\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">HYDRA 2<\/h2>\n\n\n\n<p>HYDRA 2 war der direkte Nachfolger von HYDRA 1, basierend auf verschiedenen Treibstoffkombinationen.<\/p>\n\n\n\n<p>Ziel war es den Nutzen von nicht-kryogenen und nicht-toxischen Triebstoffen zu erproben, die technische Umsetzung zu verbessern und die Performance des Triebwerks zu messen. Daf\u00fcr wurden getestet:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Verschiedene Injektionsmethoden<\/li>\n\n\n\n<li>Treibstoffe<\/li>\n\n\n\n<li>D\u00fcsenl\u00e4ngen und -Gr\u00f6\u00dfen<\/li>\n\n\n\n<li>Materialien f\u00fcr die D\u00fcse, Mixkammer und Vortex-Plate<\/li>\n<\/ul>\n\n\n\n<p>Das Triebwerk selbst hatte einen Durchmesser von 6 cm und eine L\u00e4nge von 30 cm und wurde aus Stahl gefertigt.<\/p>\n\n\n\n<p>Der Teststand war mit zwei magnetischen Ventilen (f\u00fcr halben und vollst\u00e4ndigen Oxidationsmittelfluss), einem Kraftsensor, und einem Brennkammer-Drucksensor ausgestattet.<\/p>\n\n\n\n<p>Die Tests resultierten in folgender Konfiguration:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Injketor: Showerhead<\/li>\n\n\n\n<li>Treibstoff: HTPB und Distickstoffmonoxid (da dadurch das Triebwerk selbstbedr\u00fcckend sein konnte)<\/li>\n\n\n\n<li>Material f\u00fcr die D\u00fcse: Pures Graphen<\/li>\n\n\n\n<li>Material f\u00fcr die Mixkammer: Kork &amp; Epoxy (ablasive)<\/li>\n\n\n\n<li>Material f\u00fcr die Vortex-Plate: Pertinax<\/li>\n<\/ul>\n\n\n\n<p>HYDRA 2 erreichte einen Schub von 40 N mit einer Brenndauer von 10 Sekunden.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69d6695c764f8&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69d6695c764f8\" class=\"wp-block-image alignright size-large is-resized wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"444\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_3-1024x444.jpg\" alt=\"\" class=\"wp-image-2017\" style=\"width:300px\" srcset=\"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_3-1024x444.jpg 1024w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_3-300x130.jpg 300w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_3-768x333.jpg 768w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_3-1536x666.jpg 1536w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_3-2048x888.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Vergr\u00f6\u00dfern\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">HYDRA 3<\/h2>\n\n\n\n<p>HYDRA 3 war das erste Hybridtriebwerk der ERIG welches auf einer Rakete flog. Es basierte auf dem Design von HYDRA 2 aber mit Platzoptimierungen f\u00fcr den Flug in einer Rakete.<\/p>\n\n\n\n<p>HYDRA 3 erreichte einen Schub von 1.3 kN mit einer Brennzeit von 10 Sekunden bei einem Totalimpuls von 5000 Ns.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69d6695c76896&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69d6695c76896\" class=\"wp-block-image aligncenter size-large is-resized has-custom-border wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/IMG_2704_klein-1024x682.jpg\" alt=\"\" class=\"wp-image-2027\" style=\"border-radius:10px;width:550px\" srcset=\"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/IMG_2704_klein-1024x682.jpg 1024w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/IMG_2704_klein-300x200.jpg 300w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/IMG_2704_klein-768x512.jpg 768w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/IMG_2704_klein.jpg 1037w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Vergr\u00f6\u00dfern\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<p><a href=\"https:\/\/er-ig.de\/cms\/mephisto\/\">Mephisto<\/a> hat HYDRA 3 im Flug erprobt.<\/p>\n\n\n\n<div style=\"height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">HYDRA 3X<\/h3>\n\n\n\n<p><a href=\"https:\/\/er-ig.de\/cms\/stern-1\/\">STERN I<\/a> nutzte HYDRA 3X als Antrieb f\u00fcr die Rakete Faust.<\/p>\n\n\n\n<p>Im Vergleich zu der Basisvariante war HYDRA 3X nicht selbstbedr\u00fcckt.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"ERIG STERN -  Hybridraketentriebwerk Brenntest 2015 \/ Hybrid Engine Test\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/GIDZjgnIYlk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div class=\"wp-block-cb-carousel-v2 cb-carousel-block\" data-cb-slides-per-view=\"1\" data-cb-slides-per-group=\"1\" data-cb-space-between=\"15\" data-cb-speed=\"300\" data-cb-navigation=\"true\" data-cb-pagination=\"true\" data-cb-breakpoints=\"{&quot;768&quot;:{&quot;slidesPerView&quot;:3,&quot;slidesPerGroup&quot;:1}}\"><div class=\"swiper\"><div class=\"cb-wrapper swiper-wrapper\">\n<div class=\"wp-block-cb-slide-v2 cb-slide swiper-slide\">\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"ERIG - Hybridraketentriebwerk Brenntest mit 1200fps \/ Hybrid Engine Test 1200fps\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/BGqFKfc3CEY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-cb-slide-v2 cb-slide swiper-slide\">\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"ERIG STERN - Hybridraketentriebwerk Brenntest 2012 \/ Hybrid Engine Test\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/9EYvwqPcKD0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-cb-slide-v2 cb-slide swiper-slide\">\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"ERIG STERN - Hybridraketentriebwerk Brenntest 2012 \/ Hybrid Engine Test\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/oTW0CbQOx-k?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n<\/div>\n<\/div><\/div><div class=\"cb-pagination swiper-pagination\"><\/div><div class=\"cb-button-prev swiper-button-prev\"><\/div><div class=\"cb-button-next swiper-button-next\"><\/div><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">HYDRA 4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">HYDRA 4X<\/h3>\n\n\n\n<p><a href=\"https:\/\/er-ig.de\/cms\/stern-2\/\">STERN II<\/a> sollte urspr\u00fcnglich HYDRA 4X als Antrieb f\u00fcr die Rakete Schwertlein verwenden.<\/p>\n\n\n\n<div class=\"wp-block-cb-carousel-v2 cb-carousel-block\" data-cb-slides-per-view=\"1\" data-cb-slides-per-group=\"1\" data-cb-space-between=\"15\" data-cb-speed=\"300\" data-cb-navigation=\"true\" data-cb-pagination=\"true\" data-cb-breakpoints=\"{&quot;768&quot;:{&quot;slidesPerView&quot;:3,&quot;slidesPerGroup&quot;:1}}\"><div class=\"swiper\"><div class=\"cb-wrapper swiper-wrapper\">\n<div class=\"wp-block-cb-slide-v2 cb-slide swiper-slide\">\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"ERIG STERN II - HYDRA 4X_01 Hybridraketentriebwerk Brenntest \/ Hybrid Engine Test\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/CNS4FPc_KKs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-cb-slide-v2 cb-slide swiper-slide\">\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"ERIG STERN II - HYDRA 4X_02 Hybridraketentriebwerk Brenntest \/ Hybrid Engine Test\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/8lsI6xpeCTk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-cb-slide-v2 cb-slide swiper-slide\">\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"ERIG STERN II - HYDRA 4X_03 Hybridraketentriebwerk Brenntest \/ Hybrid Engine Test\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/dDLJ8rYjg6A?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n<\/div>\n<\/div><\/div><div class=\"cb-pagination swiper-pagination\"><\/div><div class=\"cb-button-prev swiper-button-prev\"><\/div><div class=\"cb-button-next swiper-button-next\"><\/div><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">HYDRA 5<\/h2>\n\n\n\n<p>HYDRA 5 ist die aktuelle Iteration der HYDRA Familie.<\/p>\n\n\n\n<p><a href=\"https:\/\/er-ig.de\/cms\/unity\/\">UNITY<\/a> soll HYDRA 5 als Antrieb f\u00fcr die Rakete Hyperion verwenden.<\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\" style=\"border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69d6695c76e98&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69d6695c76e98\" class=\"wp-block-image size-large has-custom-border wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"608\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"38\" src=\"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2023\/11\/hydra5_1-1024x608.png\" alt=\"\" class=\"wp-image-38\" style=\"border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px\" srcset=\"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2023\/11\/hydra5_1-1024x608.png 1024w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2023\/11\/hydra5_1-300x178.png 300w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2023\/11\/hydra5_1-768x456.png 768w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2023\/11\/hydra5_1-1536x911.png 1536w, https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2023\/11\/hydra5_1.png 1820w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Vergr\u00f6\u00dfern\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69d6695c77151&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69d6695c77151\" class=\"wp-block-image size-large has-custom-border wp-lightbox-container\"><img 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(max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Vergr\u00f6\u00dfern\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/figure>\n","protected":false},"excerpt":{"rendered":"<p>HYbridDemonstrations-RaketenAntrieb Im Rahmen des HYbridDemonstrations-RaketenAntrieb (HYDRA) Programms entwickelt die ERIG seit 2001 iterativ eine Reihe an Hybridtriebwerken f\u00fcr unsere Experimentalraketen. Ein Hybridtriebwerk verwendet im Gegensatz zu Fest-Fest bzw. Fl\u00fcssig-Fl\u00fcssig Antrieben sowohl eine Feste, als auch eine Fl\u00fcssige Treibstoffkomponente. In unserem Fall nutzen wir einen festen Treibstoff Zylinder und einen Fl\u00fcssigen bzw. Gasf\u00f6rmigen Oxidator. HYDRA 1 [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2007","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>HYDRA &#8211; ERIG e.V.<\/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:\/\/er-ig.de\/cms\/hydra\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HYDRA &#8211; ERIG e.V.\" \/>\n<meta property=\"og:description\" content=\"HYbridDemonstrations-RaketenAntrieb Im Rahmen des HYbridDemonstrations-RaketenAntrieb (HYDRA) Programms entwickelt die ERIG seit 2001 iterativ eine Reihe an Hybridtriebwerken f\u00fcr unsere Experimentalraketen. Ein Hybridtriebwerk verwendet im Gegensatz zu Fest-Fest bzw. Fl\u00fcssig-Fl\u00fcssig Antrieben sowohl eine Feste, als auch eine Fl\u00fcssige Treibstoffkomponente. In unserem Fall nutzen wir einen festen Treibstoff Zylinder und einen Fl\u00fcssigen bzw. Gasf\u00f6rmigen Oxidator. HYDRA 1 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/er-ig.de\/cms\/hydra\/\" \/>\n<meta property=\"og:site_name\" content=\"ERIG e.V.\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-14T14:08:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_1-1024x444.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data1\" content=\"4\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/er-ig.de\/cms\/hydra\/\",\"url\":\"https:\/\/er-ig.de\/cms\/hydra\/\",\"name\":\"HYDRA &#8211; ERIG e.V.\",\"isPartOf\":{\"@id\":\"https:\/\/er-ig.de\/cms\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/er-ig.de\/cms\/hydra\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/er-ig.de\/cms\/hydra\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_1-1024x444.jpg\",\"datePublished\":\"2025-06-15T15:07:29+00:00\",\"dateModified\":\"2026-02-14T14:08:17+00:00\",\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/er-ig.de\/cms\/hydra\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"de\",\"@id\":\"https:\/\/er-ig.de\/cms\/hydra\/#primaryimage\",\"url\":\"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_1.jpg\",\"contentUrl\":\"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_1.jpg\",\"width\":2424,\"height\":1051},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/er-ig.de\/cms\/#website\",\"url\":\"https:\/\/er-ig.de\/cms\/\",\"name\":\"ERIG e.V.\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/er-ig.de\/cms\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/er-ig.de\/cms\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"de\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/er-ig.de\/cms\/#organization\",\"name\":\"ERIG e.V.\",\"url\":\"https:\/\/er-ig.de\/cms\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"de\",\"@id\":\"https:\/\/er-ig.de\/cms\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2023\/11\/ERIG_Farben_RGB_01.png\",\"contentUrl\":\"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2023\/11\/ERIG_Farben_RGB_01.png\",\"width\":1995,\"height\":561,\"caption\":\"ERIG e.V.\"},\"image\":{\"@id\":\"https:\/\/er-ig.de\/cms\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"HYDRA &#8211; ERIG e.V.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/er-ig.de\/cms\/hydra\/","og_locale":"de_DE","og_type":"article","og_title":"HYDRA &#8211; ERIG e.V.","og_description":"HYbridDemonstrations-RaketenAntrieb Im Rahmen des HYbridDemonstrations-RaketenAntrieb (HYDRA) Programms entwickelt die ERIG seit 2001 iterativ eine Reihe an Hybridtriebwerken f\u00fcr unsere Experimentalraketen. Ein Hybridtriebwerk verwendet im Gegensatz zu Fest-Fest bzw. Fl\u00fcssig-Fl\u00fcssig Antrieben sowohl eine Feste, als auch eine Fl\u00fcssige Treibstoffkomponente. In unserem Fall nutzen wir einen festen Treibstoff Zylinder und einen Fl\u00fcssigen bzw. Gasf\u00f6rmigen Oxidator. HYDRA 1 [&hellip;]","og_url":"https:\/\/er-ig.de\/cms\/hydra\/","og_site_name":"ERIG e.V.","article_modified_time":"2026-02-14T14:08:17+00:00","og_image":[{"url":"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_1-1024x444.jpg","type":"","width":"","height":""}],"twitter_card":"summary_large_image","twitter_misc":{"Gesch\u00e4tzte Lesezeit":"4\u00a0Minuten"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/er-ig.de\/cms\/hydra\/","url":"https:\/\/er-ig.de\/cms\/hydra\/","name":"HYDRA &#8211; ERIG e.V.","isPartOf":{"@id":"https:\/\/er-ig.de\/cms\/#website"},"primaryImageOfPage":{"@id":"https:\/\/er-ig.de\/cms\/hydra\/#primaryimage"},"image":{"@id":"https:\/\/er-ig.de\/cms\/hydra\/#primaryimage"},"thumbnailUrl":"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_1-1024x444.jpg","datePublished":"2025-06-15T15:07:29+00:00","dateModified":"2026-02-14T14:08:17+00:00","inLanguage":"de","potentialAction":[{"@type":"ReadAction","target":["https:\/\/er-ig.de\/cms\/hydra\/"]}]},{"@type":"ImageObject","inLanguage":"de","@id":"https:\/\/er-ig.de\/cms\/hydra\/#primaryimage","url":"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_1.jpg","contentUrl":"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2025\/06\/HYDRA_1.jpg","width":2424,"height":1051},{"@type":"WebSite","@id":"https:\/\/er-ig.de\/cms\/#website","url":"https:\/\/er-ig.de\/cms\/","name":"ERIG e.V.","description":"","publisher":{"@id":"https:\/\/er-ig.de\/cms\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/er-ig.de\/cms\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"de"},{"@type":"Organization","@id":"https:\/\/er-ig.de\/cms\/#organization","name":"ERIG e.V.","url":"https:\/\/er-ig.de\/cms\/","logo":{"@type":"ImageObject","inLanguage":"de","@id":"https:\/\/er-ig.de\/cms\/#\/schema\/logo\/image\/","url":"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2023\/11\/ERIG_Farben_RGB_01.png","contentUrl":"https:\/\/er-ig.de\/cms\/wp-content\/uploads\/2023\/11\/ERIG_Farben_RGB_01.png","width":1995,"height":561,"caption":"ERIG e.V."},"image":{"@id":"https:\/\/er-ig.de\/cms\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/er-ig.de\/cms\/wp-json\/wp\/v2\/pages\/2007","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/er-ig.de\/cms\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/er-ig.de\/cms\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/er-ig.de\/cms\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/er-ig.de\/cms\/wp-json\/wp\/v2\/comments?post=2007"}],"version-history":[{"count":19,"href":"https:\/\/er-ig.de\/cms\/wp-json\/wp\/v2\/pages\/2007\/revisions"}],"predecessor-version":[{"id":2354,"href":"https:\/\/er-ig.de\/cms\/wp-json\/wp\/v2\/pages\/2007\/revisions\/2354"}],"wp:attachment":[{"href":"https:\/\/er-ig.de\/cms\/wp-json\/wp\/v2\/media?parent=2007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}