{"id":551956,"date":"2026-07-16T02:30:12","date_gmt":"2026-07-16T02:30:12","guid":{"rendered":"https:\/\/www.newsbeep.com\/ie\/551956\/"},"modified":"2026-07-16T02:30:12","modified_gmt":"2026-07-16T02:30:12","slug":"why-the-us-china-space-race-could-come-down-to-a-thin-metal-cap","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/ie\/551956\/","title":{"rendered":"Why the US-China space race could come down to a thin metal cap"},"content":{"rendered":"<p>In the high\u2011stakes <a target=\"_self\" class=\"e1yy41x40 ef9u0v01 css-1ankfgb ecgc78b0\" href=\"https:\/\/www.scmp.com\/topics\/space?module=inline&amp;pgtype=article\" title=\"\" data-qa=\"BaseLink-renderAnchor-StyledAnchor\" rel=\"nofollow noopener\">space race<\/a> between the United States and China, the decisive advantage could come down to a metal cap that few outside the industry have ever heard of: the propellant tank dome.<\/p>\n<p datatype=\"p\" data-qa=\"Component-Component\" class=\"e8zc9q40 css-1c6uqr6 ec74h0k1\">An ellipsoidal bulkhead several metres wide but only millimetres thick, the dome must withstand extreme internal pressures, vibration and shock. The rounded, capsule-like end cap is also very difficult to mass-produce.<\/p>\n<p datatype=\"p\" data-qa=\"Component-Component\" class=\"e8zc9q40 css-1c6uqr6 ec74h0k1\">Whichever country can make these components faster, cheaper and more reliably will have an advantage in building the large fleets of reusable rockets needed for the future space economy.<\/p>\n<p>The race for the moon\u2019s south pole: can China beat Nasa\u2019s 2028 deadline?<\/p>\n<p datatype=\"p\" data-qa=\"Component-Component\" class=\"e8zc9q40 css-1c6uqr6 ec74h0k1\">Now, China is signalling that it may have found not one but two ways to break the bottleneck.<\/p>\n<p>The flight showcased a dome made with a welding method benchmarked against <a target=\"_self\" class=\"e1yy41x40 ef9u0v01 css-1ankfgb ecgc78b0\" href=\"https:\/\/www.scmp.com\/topics\/spacex?module=inline&amp;pgtype=article\" title=\"\" data-qa=\"BaseLink-renderAnchor-StyledAnchor\" rel=\"nofollow noopener\">SpaceX<\/a>\u2019s Falcon series but potentially faster off the production line.<\/p>\n<p datatype=\"p\" data-qa=\"Component-Component\" class=\"e8zc9q40 css-1c6uqr6 ec74h0k1\">At the same time, Chinese researchers have unveiled a revolutionary \u201ccold forming\u201d technique that can shape a complete, seamless dome in a few hours rather than a week \u2013 an advance that could tilt the balance of the US-China space race in the years ahead.<\/p>\n","protected":false},"excerpt":{"rendered":"In the high\u2011stakes space race between the United States and China, the decisive advantage could come down to&hellip;\n","protected":false},"author":2,"featured_media":551957,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[113998,114,173540,47547,233588,233587,61,60,233583,9330,33608,233584,82,233582,247,2306,64505,233585,233586,115],"class_list":["post-551956","post","type-post","status-publish","format-standard","has-post-thumbnail","category-space","tag-calt","tag-china","tag-china-academy-of-launch-vehicle-technology","tag-china-science-daily","tag-dalian-university-of-technology","tag-dufieux","tag-ie","tag-ireland","tag-jizhou-economic-development-zone","tag-long-march","tag-ltd","tag-m-torres","tag-science","tag-shanghai-top-numerical-control-technology","tag-space","tag-spacex","tag-tianjin","tag-tianjin-harbin-gongda-yongxing-technology-co","tag-top-numerical-control","tag-united-states"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/551956","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/comments?post=551956"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/551956\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media\/551957"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media?parent=551956"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/categories?post=551956"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/tags?post=551956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}