{"id":10293,"date":"2019-06-18T12:07:34","date_gmt":"2019-06-18T12:07:34","guid":{"rendered":"https:\/\/one.sightlinemg.com\/c4isrnet\/uncategorized\/2019\/06\/18\/northrop-to-build-3d-printed-scramjet-engine-for-raytheon-hypersonic-weapon\/"},"modified":"2026-08-07T21:33:32","modified_gmt":"2026-08-07T21:33:32","slug":"northrop-to-build-3d-printed-scramjet-engine-for-raytheon-hypersonic-weapon","status":"publish","type":"post","link":"https:\/\/one.sightlinemg.com\/c4isrnet\/battlefield-tech\/2019\/06\/18\/northrop-to-build-3d-printed-scramjet-engine-for-raytheon-hypersonic-weapon\/","title":{"rendered":"Northrop to build 3D-printed scramjet engine for Raytheon hypersonic weapon"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">LE BOURGET, France \u2014 Raytheon has partnered <a href=\"https:\/\/www.defensenews.com\/industry\/2019\/03\/19\/northrop-launches-hypersonic-defense-push\/\" target=_blank>with Northrop Grumman<\/a> on its air-breathing hypersonic weapon, which will be powered by a Northrop-made scramjet made entirely of 3D-printed parts, the company announced Tuesday.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Raytheon and Northrop\u2019s weapon is one of the competitors in the U.S. Defense Advanced Research Projects Agency\u2019s HAWC project, short for <a href=\"https:\/\/www.defensenews.com\/newsletters\/tv-next-episode\/2018\/08\/20\/lockheed-martin-poised-to-be-hypersonic-powerhouse\/\" target=_blank>Hypersonic Air-Breathing Weapon Concept<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.defensenews.com\/digital-show-dailies\/paris-air-show\/\" target=_blank><b>Click here for more from the 2019 Paris Air Show!<\/b><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The companies\u2019 offering \u2014 which comprises Northrop\u2019s scramjet engine and Raytheon\u2019s air vehicle \u2014 is ready to make its first flight, said Tom Bussing, vice president of Raytheon\u2019s advanced missile system segment.<\/p>\n\n\n\t<aside class=\"smg-interstitial-link wp-block-smg-interstitial-link\">\n\t\t<a href=\"https:\/\/one.sightlinemg.com\/defensenews\/industry\/techwatch\/2019\/06\/13\/us-air-force-flight-tests-hypersonic-missile-on-b-52-bomber\/\" class=\"smg-interstitial-link__inner\">\n\t\t\t\t\t\t\t<div class=\"smg-interstitial-link__media\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"196\" src=\"https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/635591805565855796-110420-f-kv470-958jpg.jpg?w=300\" class=\"smg-interstitial-link__image wp-post-image\" alt=\"\" \/>\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"smg-interstitial-link__content\">\n\t\t\t\t<span class=\"smg-interstitial-link__kicker\">Related<\/span>\n\t\t\t\t<h3 class=\"smg-interstitial-link__title\">US Air Force flight tests hypersonic missile on B-52 bomber<\/h3>\n\t\t\t\t\t\t\t\t\t<p class=\"smg-interstitial-link__excerpt\">The flight test collected data on drag and vibration impacts on the weapon and the B-52 Stratofortress carrying it.<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/a>\n\t<\/aside>\n\t\n\n\n<p class=\"wp-block-paragraph\">\u201cWe have a flight test planned for the near future where we will begin flying this particular class of weapon system,\u201d he said during a briefing at Paris Air Show. While the exact schedule is classified, Bussing noted that the companies have already conducted \u201csignificant\u201d ground tests<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cThe combustor, everything that we do now is done by additive manufacturing, so its driving affordability into the hypersonic boost missile\u2019s scramjet engine. We are also looking at ways to reduce the weight so we can have more fuel, more payload,\u201d he said.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The entirety of Northrop\u2019s scramjet is 3D printed using advanced materials, said John Wilcox, the company\u2019s vice president of advanced programs and technology.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cThere gets to be points where you have to weld additive manufactured parts, but right now even the full combustor [is printed],\u201d he said. \u201cWe think we\u2019re the first to ever 3D print a full combuster for an air-breathing scramjet engine. That\u2019s what\u2019s going to drive the affordability for air-breathing scramjet missiles.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">According to Raytheon, scramjet engines use high vehicle speeds to then compress air moving into its inlets before combusting it. The process allows a vehicle to maintain hypersonic speeds \u2014 more than five times the speed of sound \u2014 over longer periods of time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Raytheon-Northrop team is competing against Lockheed Martin for the final HAWC contact.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Additive manufacturing is the secret to driving down the price of the Raytheon-Northrop weapon.<\/p>\n","protected":false},"author":7,"featured_media":29366,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_canonical":"","_acf":"","_yoast_wpseo_primary_category":7,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_smg_distribution_targets":[]},"categories":[7,106,29,32],"tags":[],"coauthors":[3188],"class_list":["post-10293","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-battlefield-tech","category-daily-brief","category-home","category-newsletters"],"acf":{"subheadline":"","legacy_arc_id":"FFLAYY765FDT5BOVIREVNKGGTU","arc_canonical_url":"\/digital-show-dailies\/paris-air-show\/2019\/06\/18\/northrop-to-build-3d-printed-scramjet-engine-for-raytheon-hypersonic-weapon\/","remove_feature_photo":false,"is_sponsored":false,"subtype":"","redirect_url":"","disable_inline_ads":false,"native_logo_pretext":"Presented 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