{"id":10838616,"date":"2026-08-09T16:25:02","date_gmt":"2026-08-09T14:25:02","guid":{"rendered":"https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/"},"modified":"2026-08-09T16:25:41","modified_gmt":"2026-08-09T14:25:41","slug":"lippisch-p13a-coal-ramjet-delta-interceptor","status":"publish","type":"post","link":"https:\/\/migflug.com\/jetflights\/it\/lippisch-p13a-coal-ramjet-delta-interceptor\/","title":{"rendered":"The Nazi Fighter Designed to Burn Coal"},"content":{"rendered":"<style>.et_pb_title_container h1.entry-title { padding-top: 40px !important; }<\/style>\r\n<p>By late 1944, Nazi Germany was running out of almost everything an air force needs &mdash; most critically, fuel. So when Dr. Alexander Lippisch, the delta-wing pioneer behind the rocket-powered Me 163 Komet, sketched a supersonic interceptor, he gave it an engine designed to run on the one thing Germany still had in abundance: coal.<\/p>\r\n<p>The Lippisch P.13a was a ramjet-powered delta meant to burn a basket of coal and, on paper, reach the edge of Mach 2.6. It never flew under power. But it was no idle fantasy &mdash; and the ideas inside it outlived the regime that spawned them.<\/p>\r\n<div style=\"background:#f5f5f5;padding:20px;margin:24px 0;border-radius:8px\"><p style=\"margin:0 0 10px;font-weight:700;font-size:18px\">Quick Facts<\/p><ul style=\"margin:0;padding-left:20px;line-height:1.8\"><li><strong>Type:<\/strong> ramjet-powered delta-wing interceptor (project study)<\/li><li><strong>Designer:<\/strong> Dr. Alexander Lippisch, 1944<\/li><li><strong>Fuel:<\/strong> coal &mdash; burned in the ramjet in flight<\/li><li><strong>Predicted stability:<\/strong> to around Mach 2.6 in wind-tunnel tests<\/li><li><strong>Test glider:<\/strong> the DM-1, later completed for the U.S. and tested by NACA<\/li><li><strong>Status:<\/strong> never built as a powered aircraft<\/li><\/ul><\/div>\r\n\r\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/MvtxjSrImHw\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;border-radius:8px\" allowfullscreen><\/iframe><\/div>\r\n<h2 style=\"padding-top:22px\">An engine fed by fire and coal<\/h2><p>The P.13a had no conventional engine at all. A ramjet has no moving parts: it works only at speed, compressing incoming air by sheer forward motion. Lippisch&rsquo;s twist was the fuel. A wire-mesh basket of granulated coal would sit behind the nose intake, ignited by a gas burner; air rushing through would sweep the burning coal-gas rearward, mix it with clean air under pressure, and blast it out of a nozzle as thrust.<\/p>\r\n<p>Because a ramjet produces nothing at low speed, the aircraft would first have to be flung into the air by a rocket booster or a tow. Only then, at high speed, would the coal fire do its work.<\/p>\r\n\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img data-opt-id=1126066833  fetchpriority=\"high\" decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/ml5psubhxdln.i.optimole.com\/cb:0e0_.b970\/w:auto\/h:auto\/q:mauto\/ig:avif\/https:\/\/migflug.com\/jetflights\/wp-content\/uploads\/sites\/4\/2026\/08\/lippisch-p13a-replica-military-aviation-museum.jpg\" alt=\"Full-scale replica of the Lippisch P.13a\" style=\"width:100%;height:auto;max-width:100%;display:block;border-radius:6px\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">A full-scale replica of the Lippisch P.13a at the Military Aviation Museum. The real aircraft never flew under power. Photo: Wikimedia Commons<\/figcaption><\/figure>\r\n<h2 style=\"padding-top:22px\">A wing that tested faster than Mach 2<\/h2><p>Lippisch never built the powered aircraft, but he did test its radical shape. Models in the DVL high-speed wind tunnel showed the sharp delta staying stable to around Mach 2.6 &mdash; an astonishing figure for 1944. Some versions were to carry no guns at all, ramming enemy bombers with reinforced wings, a grim measure of how desperate late-war German air defence had become.<\/p>\r\n\r\n<div style=\"background:#f8f9fa;border-left:4px solid #d32f2f;padding:20px 22px;margin:18px 0 24px;border-radius:0 8px 8px 0;font-size:16px;line-height:1.7\"><em>&ldquo;[This is] the weirdest aircraft ever conceived.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>The Aviation Geek Club<\/strong> &mdash; on the P.13a<\/div><\/div>\r\n\r\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/qmxMAwUylXQ\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;border-radius:8px\" allowfullscreen><\/iframe><\/div>\r\n\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img data-opt-id=237764986  fetchpriority=\"high\" decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/ml5psubhxdln.i.optimole.com\/cb:0e0_.b970\/w:auto\/h:auto\/q:mauto\/ig:avif\/https:\/\/migflug.com\/jetflights\/wp-content\/uploads\/sites\/4\/2026\/08\/lippisch-dm-1-glider-nasm.jpg\" alt=\"The Lippisch DM-1 delta glider at the Smithsonian\" style=\"width:100%;height:auto;max-width:100%;display:block;border-radius:6px\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">The DM-1 glider, built to test the delta&rsquo;s low-speed handling, now preserved at the Smithsonian. Photo: Wikimedia Commons<\/figcaption><\/figure>\r\n<h2 style=\"padding-top:22px\">The glider the Americans finished<\/h2><p>To explore how the delta would behave at low speed, students built an unpowered glider, the DM-1. It was still unfinished when American forces overran the site in 1945 &mdash; so the U.S. ordered Lippisch&rsquo;s own team to complete it, then shipped the glider to NACA&rsquo;s Langley wind tunnel for study. The DM-1 survives today in the Smithsonian&rsquo;s collection.<\/p>\r\n\r\n<div style=\"background:#f8f9fa;border-left:4px solid #1565c0;padding:20px 22px;margin:18px 0 24px;border-radius:0 8px 8px 0;font-size:16px;line-height:1.7\"><em>&ldquo;The aircraft never made it past the drawing board, but testing of wind-tunnel models in the DVL high-speed wind tunnel showed that the design had extraordinary stability into the Mach 2.6 range.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>MilitaryFactory<\/strong> &mdash; historical assessment<\/div><\/div>\r\n\r\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/k6ki_paWxN0\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;border-radius:8px\" allowfullscreen><\/iframe><\/div>\r\n<h2 style=\"padding-top:22px\">The idea that survived the war<\/h2><p>Lippisch himself was brought to the United States and went to work for Convair, where his lifelong obsession with the delta wing fed directly into the Convair XF-92 and the delta-winged interceptors that followed. The coal-burning ramjet was a dead end. The delta shape wrapped around it became one of the defining silhouettes of the jet age.<\/p>\r\n<p>The P.13a is remembered as a curiosity &mdash; the fighter that would have run on coal. But strip away the desperation, and what remains is a startlingly modern wing, tested toward supersonic speeds a decade before anyone actually flew there.<\/p>\r\n<p style=\"font-style:italic;color:#777;font-size:14px\">Sources: Wikipedia; MilitaryFactory; The Aviation Geek Club; Hush-Kit; Smithsonian.<\/p>\r\n\r\n<div style=\"background:#f0f4ff;border-left:4px solid #5C91FF;padding:16px 20px;margin:32px 0 8px;border-radius:0 8px 8px 0\"><p style=\"margin:0 0 8px;font-weight:600;color:#333\">Related Posts<\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/jetflights\/ryan-xv-5-vertifan-lift-fan-vtol\/\">The Jet With Giant Fans Hidden in Its Wings<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/jetflights\/heinkel-lerche-vtol-coleopter-ring-wing-fighter\/\">The Nazi Fighter That Flew Inside a Ring<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/jetflights\/saunders-roe-sr53-rocket-jet-interceptor\/\">Britain&#8217;s Rocket-and-Jet Interceptor<\/a><\/p><\/div>\r\n","protected":false},"excerpt":{"rendered":"<p>By late 1944, Nazi Germany was running out of almost everything an air force needs &mdash; most critically, fuel. So when Dr. Alexander Lippisch, the delta-wing pioneer behind the rocket-powered Me 163 Komet, sketched a supersonic interceptor, he gave it an engine designed to run on the one thing Germany still had in abundance: coal. [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":10837878,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"editor_notices":[],"footnotes":""},"categories":[666,664],"tags":[],"class_list":["post-10838616","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-history-and-legends","category-military-aviation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lippisch P.13a: The Coal-Powered Nazi Delta Jet<\/title>\n<meta name=\"description\" content=\"The Lippisch P.13a was a WWII German ramjet delta interceptor meant to run on coal. It never flew, but its wing shaped the jet age.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lippisch P.13a: The Coal-Powered Nazi Delta Jet\" \/>\n<meta property=\"og:description\" content=\"The Lippisch P.13a was a WWII German ramjet delta interceptor meant to run on coal. It never flew, but its wing shaped the jet age.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/\" \/>\n<meta property=\"og:site_name\" content=\"Afterburner - MiGFlug&#039;s Magazine\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/MiGFlug\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-09T14:25:02+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-09T14:25:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ml5psubhxdln.i.optimole.com\/cb:0e0_.b970\/w:auto\/h:auto\/q:mauto\/ig:avif\/https:\/\/migflug.com\/jetflights\/wp-content\/uploads\/sites\/4\/2026\/08\/lippisch-p13a-replica-military-aviation-museum.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"960\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Max Gr\u00fcnwald\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@migflug\" \/>\n<meta name=\"twitter:site\" content=\"@migflug\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Max Gr\u00fcnwald\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/lippisch-p13a-coal-ramjet-delta-interceptor\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/lippisch-p13a-coal-ramjet-delta-interceptor\\\/\"},\"author\":{\"name\":\"Max Gr\u00fcnwald\",\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/#\\\/schema\\\/person\\\/da89e4a5834c9a932ee20751ed75569c\"},\"headline\":\"The Nazi Fighter Designed to Burn Coal\",\"datePublished\":\"2026-08-09T14:25:02+00:00\",\"dateModified\":\"2026-08-09T14:25:41+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/lippisch-p13a-coal-ramjet-delta-interceptor\\\/\"},\"wordCount\":649,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/lippisch-p13a-coal-ramjet-delta-interceptor\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\/\\/migflug.com\\/jetflights\\/wp-content\\/uploads\\/sites\\/4\\/2026\\/08\\/lippisch-p13a-replica-military-aviation-museum.jpg\",\"articleSection\":[\"History &amp; Legends\",\"Military Aviation\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/migflug.com\\\/jetflights\\\/lippisch-p13a-coal-ramjet-delta-interceptor\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/lippisch-p13a-coal-ramjet-delta-interceptor\\\/\",\"url\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/lippisch-p13a-coal-ramjet-delta-interceptor\\\/\",\"name\":\"Lippisch P.13a: The Coal-Powered Nazi Delta Jet\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/lippisch-p13a-coal-ramjet-delta-interceptor\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/lippisch-p13a-coal-ramjet-delta-interceptor\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\/\\/migflug.com\\/jetflights\\/wp-content\\/uploads\\/sites\\/4\\/2026\\/08\\/lippisch-p13a-replica-military-aviation-museum.jpg\",\"datePublished\":\"2026-08-09T14:25:02+00:00\",\"dateModified\":\"2026-08-09T14:25:41+00:00\",\"description\":\"The Lippisch P.13a was a WWII German ramjet delta interceptor meant to run on coal. It never flew, but its wing shaped the jet age.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/lippisch-p13a-coal-ramjet-delta-interceptor\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/migflug.com\\\/jetflights\\\/lippisch-p13a-coal-ramjet-delta-interceptor\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/lippisch-p13a-coal-ramjet-delta-interceptor\\\/#primaryimage\",\"url\":\"https:\\/\\/migflug.com\\/jetflights\\/wp-content\\/uploads\\/sites\\/4\\/2026\\/08\\/lippisch-p13a-replica-military-aviation-museum.jpg\",\"contentUrl\":\"https:\\/\\/migflug.com\\/jetflights\\/wp-content\\/uploads\\/sites\\/4\\/2026\\/08\\/lippisch-p13a-replica-military-aviation-museum.jpg\",\"width\":1280,\"height\":960},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/lippisch-p13a-coal-ramjet-delta-interceptor\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"The Nazi Fighter Designed to Burn Coal\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/#website\",\"url\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/\",\"name\":\"Afterburner - MiGFlug's Magazine\",\"description\":\"for those interested in flying military jets and aviation related  topics\",\"publisher\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/#organization\",\"name\":\"MiGFlug GmbH\",\"url\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\/\\/ml5psubhxdln.i.optimole.com\\/cb:0e0_.b970\\/w:897\\/h:278\\/q:mauto\\/ig:avif\\/https:\\/\\/migflug.com\\/jetflights\\/wp-content\\/uploads\\/sites\\/4\\/2026\\/06\\/MIGFLUG_LOGO-no-background.png\",\"contentUrl\":\"https:\\/\\/ml5psubhxdln.i.optimole.com\\/cb:0e0_.b970\\/w:897\\/h:278\\/q:mauto\\/ig:avif\\/https:\\/\\/migflug.com\\/jetflights\\/wp-content\\/uploads\\/sites\\/4\\/2026\\/06\\/MIGFLUG_LOGO-no-background.png\",\"width\":897,\"height\":278,\"caption\":\"MiGFlug GmbH\"},\"image\":{\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/MiGFlug\\\/\",\"https:\\\/\\\/x.com\\\/migflug\",\"https:\\\/\\\/www.instagram.com\\\/migflug\\\/\",\"https:\\\/\\\/www.youtube.com\\\/user\\\/MiGFlug\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/migflug.com\\\/\",\"https:\\\/\\\/www.pinterest.ch\\\/migflug\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/#\\\/schema\\\/person\\\/da89e4a5834c9a932ee20751ed75569c\",\"name\":\"Max Gr\u00fcnwald\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4a7af37924a5c24d0712babd0e5eafec09d37b3a41831dd4c4ee30f54ebfc1a7?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4a7af37924a5c24d0712babd0e5eafec09d37b3a41831dd4c4ee30f54ebfc1a7?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4a7af37924a5c24d0712babd0e5eafec09d37b3a41831dd4c4ee30f54ebfc1a7?s=96&d=mm&r=g\",\"caption\":\"Max Gr\u00fcnwald\"},\"description\":\"Max Gr\u00fcnwald writes MiGFlug\u2019s technical deep-dives \u2014 engines, avionics and weapons systems, with every number checked twice.\",\"url\":\"https:\\\/\\\/migflug.com\\\/jetflights\\\/it\\\/author\\\/maxgruenwald\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Lippisch P.13a: The Coal-Powered Nazi Delta Jet","description":"The Lippisch P.13a was a WWII German ramjet delta interceptor meant to run on coal. It never flew, but its wing shaped the jet age.","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:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/","og_locale":"it_IT","og_type":"article","og_title":"Lippisch P.13a: The Coal-Powered Nazi Delta Jet","og_description":"The Lippisch P.13a was a WWII German ramjet delta interceptor meant to run on coal. It never flew, but its wing shaped the jet age.","og_url":"https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/","og_site_name":"Afterburner - MiGFlug's Magazine","article_publisher":"https:\/\/www.facebook.com\/MiGFlug\/","article_published_time":"2026-08-09T14:25:02+00:00","article_modified_time":"2026-08-09T14:25:41+00:00","og_image":[{"width":1280,"height":960,"url":"https:\/\/ml5psubhxdln.i.optimole.com\/cb:0e0_.b970\/w:auto\/h:auto\/q:mauto\/ig:avif\/https:\/\/migflug.com\/jetflights\/wp-content\/uploads\/sites\/4\/2026\/08\/lippisch-p13a-replica-military-aviation-museum.jpg","type":"image\/jpeg"}],"author":"Max Gr\u00fcnwald","twitter_card":"summary_large_image","twitter_creator":"@migflug","twitter_site":"@migflug","twitter_misc":{"Written by":"Max Gr\u00fcnwald","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/#article","isPartOf":{"@id":"https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/"},"author":{"name":"Max Gr\u00fcnwald","@id":"https:\/\/migflug.com\/jetflights\/#\/schema\/person\/da89e4a5834c9a932ee20751ed75569c"},"headline":"The Nazi Fighter Designed to Burn Coal","datePublished":"2026-08-09T14:25:02+00:00","dateModified":"2026-08-09T14:25:41+00:00","mainEntityOfPage":{"@id":"https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/"},"wordCount":649,"commentCount":0,"publisher":{"@id":"https:\/\/migflug.com\/jetflights\/#organization"},"image":{"@id":"https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/#primaryimage"},"thumbnailUrl":"https:\/\/ml5psubhxdln.i.optimole.com\/cb:0e0_.b970\/w:auto\/h:auto\/q:mauto\/ig:avif\/https:\/\/migflug.com\/jetflights\/wp-content\/uploads\/sites\/4\/2026\/08\/lippisch-p13a-replica-military-aviation-museum.jpg","articleSection":["History &amp; Legends","Military Aviation"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/","url":"https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/","name":"Lippisch P.13a: The Coal-Powered Nazi Delta Jet","isPartOf":{"@id":"https:\/\/migflug.com\/jetflights\/#website"},"primaryImageOfPage":{"@id":"https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/#primaryimage"},"image":{"@id":"https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/#primaryimage"},"thumbnailUrl":"https:\/\/ml5psubhxdln.i.optimole.com\/cb:0e0_.b970\/w:auto\/h:auto\/q:mauto\/ig:avif\/https:\/\/migflug.com\/jetflights\/wp-content\/uploads\/sites\/4\/2026\/08\/lippisch-p13a-replica-military-aviation-museum.jpg","datePublished":"2026-08-09T14:25:02+00:00","dateModified":"2026-08-09T14:25:41+00:00","description":"The Lippisch P.13a was a WWII German ramjet delta interceptor meant to run on coal. It never flew, but its wing shaped the jet age.","breadcrumb":{"@id":"https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/#primaryimage","url":"https:\/\/ml5psubhxdln.i.optimole.com\/cb:0e0_.b970\/w:auto\/h:auto\/q:mauto\/ig:avif\/https:\/\/migflug.com\/jetflights\/wp-content\/uploads\/sites\/4\/2026\/08\/lippisch-p13a-replica-military-aviation-museum.jpg","contentUrl":"https:\/\/ml5psubhxdln.i.optimole.com\/cb:0e0_.b970\/w:auto\/h:auto\/q:mauto\/ig:avif\/https:\/\/migflug.com\/jetflights\/wp-content\/uploads\/sites\/4\/2026\/08\/lippisch-p13a-replica-military-aviation-museum.jpg","width":1280,"height":960},{"@type":"BreadcrumbList","@id":"https:\/\/migflug.com\/jetflights\/lippisch-p13a-coal-ramjet-delta-interceptor\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Startseite","item":"https:\/\/migflug.com\/jetflights\/"},{"@type":"ListItem","position":2,"name":"The Nazi Fighter Designed to Burn Coal"}]},{"@type":"WebSite","@id":"https:\/\/migflug.com\/jetflights\/#website","url":"https:\/\/migflug.com\/jetflights\/","name":"Afterburner - La rivista di MiGFlug","description":"Per chi \u00e8 interessato a pilotare aerei militari e argomenti correlati all&#039;aviazione.","publisher":{"@id":"https:\/\/migflug.com\/jetflights\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/migflug.com\/jetflights\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/migflug.com\/jetflights\/#organization","name":"MiGFlug GmbH","url":"https:\/\/migflug.com\/jetflights\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/migflug.com\/jetflights\/#\/schema\/logo\/image\/","url":"https:\/\/ml5psubhxdln.i.optimole.com\/cb:0e0_.b970\/w:897\/h:278\/q:mauto\/ig:avif\/https:\/\/migflug.com\/jetflights\/wp-content\/uploads\/sites\/4\/2026\/06\/MIGFLUG_LOGO-no-background.png","contentUrl":"https:\/\/ml5psubhxdln.i.optimole.com\/cb:0e0_.b970\/w:897\/h:278\/q:mauto\/ig:avif\/https:\/\/migflug.com\/jetflights\/wp-content\/uploads\/sites\/4\/2026\/06\/MIGFLUG_LOGO-no-background.png","width":897,"height":278,"caption":"MiGFlug GmbH"},"image":{"@id":"https:\/\/migflug.com\/jetflights\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/MiGFlug\/","https:\/\/x.com\/migflug","https:\/\/www.instagram.com\/migflug\/","https:\/\/www.youtube.com\/user\/MiGFlug","https:\/\/www.linkedin.com\/company\/migflug.com\/","https:\/\/www.pinterest.ch\/migflug\/"]},{"@type":"Person","@id":"https:\/\/migflug.com\/jetflights\/#\/schema\/person\/da89e4a5834c9a932ee20751ed75569c","name":"Max Gr\u00fcnwald","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/4a7af37924a5c24d0712babd0e5eafec09d37b3a41831dd4c4ee30f54ebfc1a7?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/4a7af37924a5c24d0712babd0e5eafec09d37b3a41831dd4c4ee30f54ebfc1a7?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/4a7af37924a5c24d0712babd0e5eafec09d37b3a41831dd4c4ee30f54ebfc1a7?s=96&d=mm&r=g","caption":"Max Gr\u00fcnwald"},"description":"Max Gr\u00fcnwald cura gli approfondimenti tecnici di MiGFlug, che spaziano dai motori all&#039;avionica e ai sistemi d&#039;arma, verificando ogni dato due volte.","url":"https:\/\/migflug.com\/jetflights\/it\/author\/maxgruenwald\/"}]}},"_links":{"self":[{"href":"https:\/\/migflug.com\/jetflights\/it\/wp-json\/wp\/v2\/posts\/10838616","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/migflug.com\/jetflights\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/migflug.com\/jetflights\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/migflug.com\/jetflights\/it\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/migflug.com\/jetflights\/it\/wp-json\/wp\/v2\/comments?post=10838616"}],"version-history":[{"count":1,"href":"https:\/\/migflug.com\/jetflights\/it\/wp-json\/wp\/v2\/posts\/10838616\/revisions"}],"predecessor-version":[{"id":10838817,"href":"https:\/\/migflug.com\/jetflights\/it\/wp-json\/wp\/v2\/posts\/10838616\/revisions\/10838817"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/migflug.com\/jetflights\/it\/wp-json\/wp\/v2\/media\/10837878"}],"wp:attachment":[{"href":"https:\/\/migflug.com\/jetflights\/it\/wp-json\/wp\/v2\/media?parent=10838616"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/migflug.com\/jetflights\/it\/wp-json\/wp\/v2\/categories?post=10838616"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/migflug.com\/jetflights\/it\/wp-json\/wp\/v2\/tags?post=10838616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}