{"id":1758,"date":"2021-03-30T22:05:37","date_gmt":"2021-03-30T14:05:37","guid":{"rendered":"https:\/\/nullthought.net\/?p=1758"},"modified":"2024-11-08T10:19:23","modified_gmt":"2024-11-08T02:19:23","slug":"%e6%98%9f%e8%88%b0%e6%b5%8b%e8%af%95%e7%89%88%e6%9c%acsn11%e7%a9%ba%e4%b8%ad%e8%a7%a3%e4%bd%93","status":"publish","type":"post","link":"https:\/\/nullthought.net\/?p=1758","title":{"rendered":"\u661f\u8230\u6d4b\u8bd5\u7248\u672cSN11\u7a7a\u4e2d\u89e3\u4f53"},"content":{"rendered":"\n

\u661f\u8230StarShip\u6d4b\u8bd5\u7248\u672cSN11\u5728\u5927\u96fe\u5929\u6c14\u4e2d\u70b9\u706b\u8d77\u98de\uff0c\u5347\u7a7a\u8fc7\u7a0b\u6b63\u5e38\u30025\u5206\u591a\u949f\u540e\uff0cSpaceX\u7684\u76f4\u64ad\u89c6\u9891\u4e2d\u65ad\uff0c\u955c\u5934\u505c\u7559\u5728\u661f\u8230\u5185\u90e8\u6444\u50cf\u673a\u5bf9\u51c6Raptor\u5f15\u64ce\u7684\u753b\u9762\u4e0a\u3002SN11\u5e94\u8be5\u662f\u5728\u7a7a\u4e2d\u89e3\u4f53\u4e86\uff0cYouTube\u4e0aNASASpaceflight\u548cEveryday Astronaut\u7684\u76f4\u64ad\u4e2d\uff0c\u770b\u5230\u6709\u788e\u7247\u6389\u843d\u3002<\/p>\n\n\n\n

\"\"
Source: Everyday Astronaut<\/a><\/figcaption><\/figure><\/div>\n\n\n\n
\"\"
Source: NASASpaceflight<\/a><\/figcaption><\/figure><\/div>\n\n\n\n
\"\"
Credit: Elon Musk<\/a><\/figcaption><\/figure><\/div>\n\n\n\n

Elon Musk\u968f\u540e\u5728Twitter\u4e0a\u8868\u793a\uff0c\u8c8c\u4f3c2\u53f7\u5f15\u64ce\u5347\u7a7a\u65f6\u5c31\u51fa\u73b0\u95ee\u9898\uff0c\u4e14\u5728\u7740\u9646\u65f6\u6ca1\u6709\u8fbe\u5230\u6b63\u5e38\u5de5\u4f5c\u538b\u529b\u3002(‘Looks like engine 2 had issues on ascent & didn\u2019t reach operating chamber pressure during landing burn, but, in theory, it wasn\u2019t needed. Something significant happened shortly after landing burn start. Should know what it was once we can examine the bits later today.’)<\/p>\n\n\n\n

\u4ed6\u968f\u5373\u53c8\u63d0\u5230\uff0cSN15\u4f1a\u6709\u5927\u5e45\u6539\u8fdb\uff0c\u6539\u8fdb\u5305\u62ec\u4e86\u5bf9\u51fa\u73b0\u95ee\u9898\u7684\u89e3\u51b3\u3002(‘SN15 rolls to launch pad in a few days. It has hundreds of design improvements across structures, avionics\/software & engine. Hopefully, one of those improvements covers this problem. If not, then retrofit will add a few more days.’)<\/p>\n\n\n\n

4\u67085\u65e5\uff0cElon Musk\u8fdb\u4e00\u6b65\u6f84\u6e05\u4e86\u6545\u969c\u539f\u56e0\uff1a\u4e0a\u5347\u9636\u6bb5\u3001\u8f6c\u6362\u4e3a\u6c34\u5e73\u59ff\u6001\u3001\u4e0b\u843d\u8fc7\u7a0b\u7684\u63a7\u5236\u90fd\u633a\u597d\u3002\u4e00\u4e22\u4e22\u7532\u70f7\u6cc4\u9732\u5bfc\u81f42\u53f7\u5f15\u64ce\u8d77\u706b\uff0c\u76f8\u5173\u7535\u8def\u635f\u574f\uff0c\u5f15\u53d1\u4e86\u5f15\u64ce\u7532\u70f7\u6da1\u8f6e\u6cf5\u7684\u5f3a\u884c\u7740\u9646\u70b9\u706b\u3002\u8fd9\u4e2a\u95ee\u9898\u6b63\u5728\u5f97\u5230\u5f7b\u5e95\u89e3\u51b3\u3002\uff08Ascent phase, transition to horizontal & control during free fall were good.A (relatively) small CH4 leak led to fire on engine 2 & fried part of avionics, causing hard start attempting landing burn in CH4 turbopump.This is getting fixed 6 ways to Sunday.\uff09<\/p>\n\n\n\n

\"\"
Credit: Elon Musk<\/a><\/figcaption><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"

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[…]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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