{"id":8045,"date":"2026-11-04T15:17:33","date_gmt":"2026-11-04T12:17:33","guid":{"rendered":"https:\/\/expo3d.istanbul\/?p=8045"},"modified":"2026-11-04T15:17:33","modified_gmt":"2026-11-04T12:17:33","slug":"abd-ordusu-3d-baskili-agir-yakitli-motor","status":"publish","type":"post","link":"https:\/\/expo3d.istanbul\/en\/abd-ordusu-3d-baskili-agir-yakitli-motor\/","title":{"rendered":"US Army flies a 3D printed heavy-fuel engine in a hybrid drone"},"content":{"rendered":"<\/p>\n
\n

The US Army Combat Capabilities Development Command Army Research Laboratory (DEVCOM ARL) has flown a heavy-fuel rotary engine, developed with metal 3D printing, in a hybrid unmanned aircraft. The Army describes it as the first 3D printed heavy-fuel engine.<\/p>\n

The air-cooled engine needs no liquid coolant and works in a series-hybrid configuration with a new 400-volt motor-generator. It was a clean-sheet design guided by computational fluid dynamics (CFD) modelling, aimed at better fuel atomisation and vaporisation and less leakage of compressed air and fuel vapour. The flight demonstration took place on VICTOR, a mid-sized (Group 3) unmanned aircraft built with Griffon Aerospace.<\/p>\n

According to programme manager Chol-Bum “Mike” Kweon, metal 3D printing let the team redesign engine components quickly based on test results, producing a smaller engine that needs no liquid cooling. The report does not say which parts were printed or in which material. Lessons from the programme will feed into PULSAR, a concept for using VICTOR drones in swarms.<\/p>\n

\n

Why it matters<\/strong><\/p>\n

additive manufacturing can significantly shorten the design\u2013test\u2013redesign loop in engine development. For T\u00fcrkiye’s defence industry, a global leader in unmanned aircraft, light engines that can be developed quickly and run on a single fuel type are a strategic area, and metal 3D printing is one of the tools that can speed up domestic designs.<\/p>\n<\/div>\n

Source: VoxelMatters \u2013 Army Research Lab flies 3D printed heavy-fuel rotary engine in a hybrid drone<\/a> (2 November 2026)<\/p>\n<\/div>\n

<\/p>","protected":false},"excerpt":{"rendered":"

The US Army Research Laboratory has flown an air-cooled, heavy-fuel rotary engine developed with metal 3D printing in a hybrid unmanned aircraft.<\/p>","protected":false},"author":4,"featured_media":7932,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[35],"tags":[],"class_list":["post-8045","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sektor-ve-teknoloji"],"acf":[],"yoast_head":"\nABD Ordusu, 3D bask\u0131l\u0131 a\u011f\u0131r yak\u0131tl\u0131 motoru drone'da u\u00e7urdu - Expo 3D \u0130stanbul<\/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:\/\/expo3d.istanbul\/en\/abd-ordusu-3d-baskili-agir-yakitli-motor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ABD Ordusu, 3D bask\u0131l\u0131 a\u011f\u0131r yak\u0131tl\u0131 motoru drone'da u\u00e7urdu - 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