{"id":18861157,"date":"2026-09-01T13:16:02","date_gmt":"2026-09-01T11:16:02","guid":{"rendered":"https:\/\/migflug.com\/afterburner\/?p=18861157"},"modified":"2026-09-01T14:41:58","modified_gmt":"2026-09-01T12:41:58","slug":"saab-210-lilldraken-double-delta-testbed","status":"publish","type":"post","link":"https:\/\/migflug.com\/afterburner\/it\/saab-210-lilldraken-double-delta-testbed\/","title":{"rendered":"The Little Delta That Proved the Draken"},"content":{"rendered":"\r\n<style>.et_pb_title_container h1.entry-title { padding-top: 40px !important; }<\/style>\r\n\r\n<p>In the early 1950s, neutral Sweden set out to build a supersonic interceptor unlike anything else in the world &mdash; a fighter with a strange, folded &lsquo;double-delta&rsquo; wing. It was such a radical idea that no one could be sure the shape would even fly safely at low speed. So before betting a national fighter programme on it, Saab built a little one to find out.<\/p>\r\n<p>That aircraft was the Saab 210, affectionately nicknamed the &lsquo;Lilldraken&rsquo; &mdash; the Little Dragon &mdash; and it quietly made one of the most important aircraft of the Cold War possible.<\/p>\r\n\r\n<div style=\"background:#f5f5f5;padding:20px 24px;margin:24px 0;border-left:4px solid #5C91FF\"><p style=\"margin:0 0 10px;font-weight:700;font-size:17px;color:#1a1a1a\">Quick Facts<\/p><table style=\"width:100%;border-collapse:collapse;font-size:15px\"><tr><td style=\"padding:6px 12px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Aircraft<\/td><td style=\"padding:6px 0;color:#444\">Saab 210 \"Lilldraken\" (Little Dragon)<\/td><\/tr><tr><td style=\"padding:6px 12px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Purpose<\/td><td style=\"padding:6px 0;color:#444\">~70% scale testbed for the double-delta wing<\/td><\/tr><tr><td style=\"padding:6px 12px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Designer<\/td><td style=\"padding:6px 0;color:#444\">Erik Bratt<\/td><\/tr><tr><td style=\"padding:6px 12px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">First flight<\/td><td style=\"padding:6px 0;color:#444\">21 January 1952, pilot Bengt Olow<\/td><\/tr><tr><td style=\"padding:6px 12px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Size<\/td><td style=\"padding:6px 0;color:#444\">About 20 ft long, 16 ft wingspan<\/td><\/tr><tr><td style=\"padding:6px 12px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Engine<\/td><td style=\"padding:6px 0;color:#444\">Armstrong Siddeley Adder turbojet, ~1,050 lbf<\/td><\/tr><tr><td style=\"padding:6px 12px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Test flights<\/td><td style=\"padding:6px 0;color:#444\">887, proving stable low-speed handling<\/td><\/tr><tr><td style=\"padding:6px 12px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Result<\/td><td style=\"padding:6px 0;color:#444\">The Mach 2 Saab 35 Draken<\/td><\/tr><\/table><\/div>\r\n\r\n<h2 style=\"padding-top:22px\">A flying scale model<\/h2>\r\n<p>Under designer Erik Bratt, Saab was pursuing a double-delta layout: a sharply swept inner wing blended into a less-swept outer wing, giving good high-speed performance and internal volume without a tail. On paper it was brilliant. In reality, no one knew how such a planform would handle at the slow speeds of takeoff and landing.<\/p>\r\n\r\n<div style=\"background:#f8f9fa;border-left:4px solid #1565c0;padding:20px 22px;margin:18px 0 24px;font-size:16px;line-height:1.7;display:flex;gap:20px;align-items:flex-start\"><div><em>&ldquo;The double-delta configuration was so novel and advanced that Saab built a small test aircraft to explore its low-speed behaviour before committing to the fighter.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Aviation historians<\/strong> &mdash; on why the little jet was built<\/div><\/div><\/div>\r\n\r\n\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img data-opt-id=903400134  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\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/09\/saab-210-lilldraken-double-delta.jpg\" alt=\"The Saab 210 Lilldraken\" style=\"width:100%;height:auto;max-width:100%;display:block\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">The Saab 210 was a flying scale model, built to answer one question: would a double-delta wing behave at low speed? Photo: Wikimedia Commons.<\/figcaption><\/figure>\r\n\r\n<p>The answer was the Type 210: a roughly 70%-scale research aircraft, about 20 feet long, powered by a modest Armstrong Siddeley Adder turbojet. Test pilot Bengt Olow took it up for the first time on 21 January 1952.<\/p>\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\/kppbnL4Zmoo\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen><\/iframe><\/div>\r\n\r\n<h2 style=\"padding-top:22px\">887 flights to prove a wing<\/h2>\r\n<p>Over hundreds of flights, the Lilldraken explored the double-delta&rsquo;s behaviour across the flight envelope &mdash; especially the low-speed regime everyone worried about. It handled well.<\/p>\r\n\r\n<div style=\"background:#f8f9fa;border-left:4px solid #5C91FF;padding:20px 22px;margin:18px 0 24px;font-size:16px;line-height:1.7;display:flex;gap:20px;align-items:flex-start\"><div><em>&ldquo;Through hundreds of test flights, the little Type 210 proved the double-delta wing was stable and controllable, clearing the way for the Draken.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Saab (Draken development history)<\/strong> &mdash; on what the 210 proved<\/div><\/div><\/div>\r\n\r\n\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img data-opt-id=1790813201  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\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/09\/saab-35-draken-double-delta.jpg\" alt=\"A full-size Saab 35 Draken\" style=\"width:100%;height:auto;max-width:100%;display:block\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">The answer was yes \u2014 and it became the Mach 2 Saab 35 Draken. Photo: Wikimedia Commons.<\/figcaption><\/figure>\r\n\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\/i7g5rA1ScVs\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen><\/iframe><\/div>\r\n\r\n<h2 style=\"padding-top:22px\">From little dragon to full dragon<\/h2>\r\n<p>The data flowed straight into the full-size fighter: the <a href=\"https:\/\/migflug.com\/aircraft\/saab-35-draken\/\">Saab 35 Draken<\/a>, which entered service in the late 1950s, reached Mach 2, and became one of Europe&rsquo;s most distinctive and capable Cold War interceptors. Its unmistakable silhouette &mdash; that same double-delta &mdash; came directly from the little jet that tested it first.<\/p>\r\n<p>The Lilldraken never fired a shot or set a record. It did something quieter and arguably more valuable: it removed the doubt. Sometimes the most important aircraft is the small one that proves the big one will work.<\/p>\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\/-Ole6K1quDs\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen><\/iframe><\/div>\r\n\r\n<p><em>Sources: Saab; Vintage Aviation News; Flygvapenmuseum; Wikipedia.<\/em><\/p>\r\n\r\n<div style=\"background:#f0f4ff;border-left:4px solid #5C91FF;padding:16px 20px;margin:32px 0 8px\"><p style=\"margin:0 0 8px;font-weight:600;color:#333\">Related Posts<\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/saab-draken-swedens-double-delta-revolution\/\">Saab Draken: Sweden\u2019s Double-Delta Revolution<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/saab-29-tunnan-flying-barrel-congo\/\">Sweden\u2019s Flying Barrel Went to War for the UN<\/a><\/p><\/div>\r\n\n\n<section style=\"margin:34px 0 8px\"><h2 style=\"padding-top:22px\">Frequently Asked Questions<\/h2><details open style=\"border-top:1px solid #e2e7ee;padding:12px 0\"><summary style=\"font:600 18px\/1.45 Montserrat,system-ui,sans-serif;color:#1a1a1a;cursor:pointer\">What was the Saab 210 Lilldraken?<\/summary><div style=\"font-size:16px;line-height:1.7;color:#333;margin-top:8px\">The Saab 210, nicknamed Lilldraken or \"Little Dragon\", was an approximately 70 per cent scale research aircraft built to test the double-delta wing before Sweden committed to the Saab 35 Draken fighter. It first flew on 21 January 1952.<\/div><\/details><details style=\"border-top:1px solid #e2e7ee;padding:12px 0\"><summary style=\"font:600 18px\/1.45 Montserrat,system-ui,sans-serif;color:#1a1a1a;cursor:pointer\">Why did Saab build a scale test aircraft?<\/summary><div style=\"font-size:16px;line-height:1.7;color:#333;margin-top:8px\">The double-delta configuration was so novel and advanced that nobody knew how it would behave at the slow speeds of takeoff and landing. Rather than risk a national fighter programme on an unknown, Saab built a small aircraft to explore that low-speed behaviour first.<\/div><\/details><details style=\"border-top:1px solid #e2e7ee;padding:12px 0\"><summary style=\"font:600 18px\/1.45 Montserrat,system-ui,sans-serif;color:#1a1a1a;cursor:pointer\">What is a double-delta wing?<\/summary><div style=\"font-size:16px;line-height:1.7;color:#333;margin-top:8px\">A double-delta wing blends a sharply swept inner section into a less-swept outer section. It offers good high-speed performance and generous internal volume without needing a conventional tail, which is why Saab pursued it for a supersonic interceptor.<\/div><\/details><details style=\"border-top:1px solid #e2e7ee;padding:12px 0\"><summary style=\"font:600 18px\/1.45 Montserrat,system-ui,sans-serif;color:#1a1a1a;cursor:pointer\">Who designed and first flew the Saab 210?<\/summary><div style=\"font-size:16px;line-height:1.7;color:#333;margin-top:8px\">The double-delta configuration was developed under designer Erik Bratt. Test pilot Bengt Olow took the Saab 210 up for its maiden flight on 21 January 1952 from Saab\u2019s facility in Sweden.<\/div><\/details><details style=\"border-top:1px solid #e2e7ee;padding:12px 0\"><summary style=\"font:600 18px\/1.45 Montserrat,system-ui,sans-serif;color:#1a1a1a;cursor:pointer\">How many test flights did the Lilldraken make?<\/summary><div style=\"font-size:16px;line-height:1.7;color:#333;margin-top:8px\">The little aircraft flew 887 test flights, proving stable handling and effective low-speed performance across the flight envelope. That data flowed directly into the design of the full-size fighter.<\/div><\/details><details style=\"border-top:1px solid #e2e7ee;padding:12px 0\"><summary style=\"font:600 18px\/1.45 Montserrat,system-ui,sans-serif;color:#1a1a1a;cursor:pointer\">What did the Saab 210 lead to?<\/summary><div style=\"font-size:16px;line-height:1.7;color:#333;margin-top:8px\">It led to the Saab 35 Draken, which entered service in the late 1950s, reached Mach 2 and became one of Europe\u2019s most distinctive and capable Cold War interceptors. The Draken\u2019s famous silhouette came directly from the wing the Lilldraken tested.<\/div><\/details><\/section>\n\n\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What was the Saab 210 Lilldraken?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Saab 210, nicknamed Lilldraken or \\\"Little Dragon\\\", was an approximately 70 per cent scale research aircraft built to test the double-delta wing before Sweden committed to the Saab 35 Draken fighter. It first flew on 21 January 1952.\"}},{\"@type\":\"Question\",\"name\":\"Why did Saab build a scale test aircraft?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The double-delta configuration was so novel and advanced that nobody knew how it would behave at the slow speeds of takeoff and landing. 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The Saab 210 story.<\/p>","protected":false},"author":25,"featured_media":18860713,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"editor_notices":[],"footnotes":""},"categories":[665,666],"tags":[],"class_list":["post-18861157","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aviation-world","category-history-and-legends"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Saab 210 Lilldraken: The Little Delta That Proved the Draken<\/title>\n<meta name=\"description\" content=\"Before Sweden bet a national fighter on its radical double-delta wing, Saab built a 70%-scale \u201cLittle Dragon\u201d to prove it would fly \u2014 the Saab 210.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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