{"id":276,"date":"2024-09-12T21:37:08","date_gmt":"2024-09-12T19:37:08","guid":{"rendered":"https:\/\/uridojaras.hu\/?p=276"},"modified":"2024-10-28T19:42:30","modified_gmt":"2024-10-28T17:42:30","slug":"raketa-meghajtasu-szanok-keszen-allnak-arra-hogy-urrepuloket-inditsanak-a-vilagurbe","status":"publish","type":"post","link":"https:\/\/uridojaras.hu\/?p=276","title":{"rendered":"Rak\u00e9ta-meghajt\u00e1s\u00fa sz\u00e1nok k\u00e9szen \u00e1llnak arra, hogy \u0171rrep\u00fcl\u0151ket ind\u00edtsanak a vil\u00e1g\u0171rbe"},"content":{"rendered":"\n<p>A Radiant nev\u0171 startup \u00fajra\u00e9leszti a NASA elhagyott \u0171rrep\u00fcl\u0151g\u00e9p-ambici\u00f3it<\/p>\n\n\n\n<p>A 90-es \u00e9vekben a NASA-nak mer\u00e9sz elk\u00e9pzel\u00e9se volt: ki kell fejleszteni egy X-33 n\u00e9ven \u00fajrafelhaszn\u00e1lhat\u00f3 \u0171rrep\u00fcl\u0151g\u00e9pet, amely dr\u00e1maian cs\u00f6kkentheti a rakom\u00e1nyok p\u00e1ly\u00e1ra \u00e1ll\u00edt\u00e1s\u00e1nak k\u00f6lts\u00e9geit. Az \u00fcgyn\u00f6ks\u00e9g azonban v\u00e9g\u00fcl 2001-ben technikai kih\u00edv\u00e1sok miatt megsz\u00fcntette a programot. Ezt az \u00e1lmot most egy ambici\u00f3zus seattle-i startup eleven\u00edti fel, amely elhat\u00e1rozta, hogy befejezi azt, amit a NASA t\u00f6bb mint k\u00e9t \u00e9vtizede elkezdett.<\/p>\n\n\n\n<p>A Radian Aerospace fejleszti a Radian One-t, egy teljesen \u00fajrafelhaszn\u00e1lhat\u00f3 \u0171rrep\u00fcl\u0151g\u00e9pet, amelyet arra terveztek, hogy ak\u00e1r \u00f6t \u0171rhaj\u00f3st ak\u00e1r 100 alkalommal is az \u0171rbe sz\u00e1ll\u00edtson. A c\u00e9g 2022-ben leny\u0171g\u00f6z\u0151, 28 milli\u00f3 doll\u00e1ros t\u00e1mogat\u00e1st gy\u0171jt\u00f6tt \u00f6ssze. Az er\u0151fesz\u00edt\u00e9sek \u00e9l\u00e9n Livingston Holder, a NASA kor\u00e1bbi programvezet\u0151je \u00e1ll a szerencs\u00e9tlen\u00fcl j\u00e1rt X-33-\u00e9rt, aki jelenleg a Radian technol\u00f3giai igazgat\u00f3ja.<\/p>\n\n\n\n<p>Holder \u00fagy v\u00e9li, hogy az \u0171rrep\u00fcl\u0151g\u00e9p-koncepci\u00f3 \u00fajj\u00e1\u00e9leszt\u00e9se ma sokkal megval\u00f3s\u00edthat\u00f3bb, mint a 2000-es \u00e9vek elej\u00e9n volt.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Introducing Radian One\" width=\"678\" height=\"381\" src=\"https:\/\/www.youtube.com\/embed\/vRKXEt8N8yM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>\u201eVannak olyan kompozit anyagok, amelyek k\u00f6nnyebbek, sz\u00edv\u00f3sabbak \u00e9s nagyobb h\u0151tartom\u00e1nyt b\u00edrnak, mint akkoriban\u201d \u2013 magyar\u00e1zta a CNN-nek adott interj\u00faj\u00e1ban. \u201e\u00c9s a meghajt\u00e1s jobb, mint b\u00e1rmi, amink volt, abban a tekintetben, hogy mennyire hat\u00e9konyan \u00e9geti el a hajt\u00f3anyagot, \u00e9s mi a s\u00falya a rendszereknek.\u201d<\/p>\n\n\n\n<p>Az \u0171rrep\u00fcl\u0151g\u00e9p gondolata ennyi \u00e9v ut\u00e1n is cs\u00e1b\u00edt\u00f3 marad, mert az \u0171rh\u00f6z val\u00f3 megfizethet\u0151 hozz\u00e1f\u00e9r\u00e9s ir\u00e1nti kereslet csak fokoz\u00f3dott a m\u0171holdas h\u00e1l\u00f3zatok n\u00f6vekv\u0151 haszn\u00e1lat\u00e1nak k\u00f6sz\u00f6nhet\u0151en. Sajnos a hagyom\u00e1nyos rak\u00e9t\u00e1k m\u00e9g mindig eleve dr\u00e1ga m\u00f3dot jelentenek a p\u00e1ly\u00e1ra jut\u00e1shoz.<\/p>\n\n\n\n<p>Ahogyan Jeffrey Hoffman a NASA kor\u00e1bbi \u0171rhaj\u00f3sa elmagyar\u00e1zza, egy tipikus t\u00f6bbl\u00e9pcs\u0151s rak\u00e9ta teljes t\u00f6meg\u00e9nek k\u00f6r\u00fclbel\u00fcl 95 sz\u00e1zal\u00e9k\u00e1ra van sz\u00fcks\u00e9ge \u00fczemanyagra ahhoz, hogy 17 500 m\u00e9rf\u00f6ld\/\u00f3r\u00e1s sebess\u00e9ggel \u00e1tt\u00f6rje a l\u00e9gk\u00f6rt \u2013 kev\u00e9s hely marad a t\u00e9nyleges j\u00e1rm\u0171nek \u00e9s hasznos tehernek. Ezen t\u00falmen\u0151en rendk\u00edv\u00fcl pazarl\u00f3ak, \u00e9s t\u00f6bb fokozatot is el kell dobni rep\u00fcl\u00e9s k\u00f6zben.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1100\" height=\"619\" src=\"https:\/\/uridojaras.hu\/wp-content\/uploads\/2024\/09\/2024-09-05-image-18-j_1100.webp\" alt=\"\" class=\"wp-image-277\" srcset=\"https:\/\/uridojaras.hu\/wp-content\/uploads\/2024\/09\/2024-09-05-image-18-j_1100.webp 1100w, https:\/\/uridojaras.hu\/wp-content\/uploads\/2024\/09\/2024-09-05-image-18-j_1100-300x169.webp 300w, https:\/\/uridojaras.hu\/wp-content\/uploads\/2024\/09\/2024-09-05-image-18-j_1100-1024x576.webp 1024w, https:\/\/uridojaras.hu\/wp-content\/uploads\/2024\/09\/2024-09-05-image-18-j_1100-768x432.webp 768w\" sizes=\"auto, (max-width: 1100px) 100vw, 1100px\" \/><\/figure>\n\n\n\n<p>Radian elmagyar\u00e1zza, hogy ez a nem szokv\u00e1nyos k\u00e9tr\u00e9szes rendszer, valamint a k\u00f6nny\u0171 fut\u00f3m\u0171 \u00e9s az aerodinamikus sz\u00e1rnyak kulcsfontoss\u00e1g\u00faak az egyfokozat\u00fa \u0171rs\u00edk megval\u00f3s\u00edt\u00e1s\u00e1hoz.<\/p>\n\n\n\n<p>Az egyed\u00fcl\u00e1ll\u00f3, rep\u00fcl\u0151g\u00e9p-st\u00edlus\u00fa emelked\u00e9si profil a f\u00fcgg\u0151legesen ind\u00edthat\u00f3 rak\u00e9t\u00e1khoz k\u00e9pest sim\u00e1bb fut\u00e1st \u00edg\u00e9r, mik\u00f6zben jelent\u0151sen cs\u00f6kkenti az \u00fczemanyag-fogyaszt\u00e1st \u00e9s a kapcsol\u00f3d\u00f3 k\u00f6lts\u00e9geket. Ha minden a tervek szerint halad, Holder a Radian One-t az \u0171rrep\u00fcl\u00e9s \u201epickup teheraut\u00f3jak\u00e9nt\u201d k\u00e9pzeli el \u2013 ide\u00e1lis k\u00f6nnyebb rakom\u00e1nyokhoz \u2013, m\u00edg a hagyom\u00e1nyos rak\u00e9t\u00e1k tov\u00e1bbra is nagyobb kapacit\u00e1s\u00fa \u201e18 kerek\u0171ek\u201dk\u00e9nt szolg\u00e1lnak.<\/p>\n\n\n\n<p>Azonban m\u00e9g sok kih\u00edv\u00e1s v\u00e1r Radianra a p\u00e1ly\u00e1ra vezet\u0151 \u00faton. A teljes k\u00f6r\u0171 protot\u00edpus legkor\u00e1bban 2028-ban v\u00e1rhat\u00f3, b\u00e1r az els\u0151 protot\u00edpust id\u00e9n tesztelik. A hosszabb t\u00e1v\u00fa j\u00f6v\u0151k\u00e9p cs\u00e1b\u00edt\u00f3: megfizethet\u0151 \u00faj lehet\u0151s\u00e9get k\u00edn\u00e1l a kereskedelmi \u0171ripar sz\u00e1m\u00e1ra.<\/p>\n\n\n<p><!-- Forr\u00e1s1:\u00a0https:\/\/www.techspot.com\/news\/104592-rocket-powered-sleds-poised-launch-space-planes-reality.html\nForr\u00e1s2:\u00a0https:\/\/www.radianaerospace.com\/radian-one --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A Radiant nev\u0171 startup \u00fajra\u00e9leszti a NASA elhagyott \u0171rrep\u00fcl\u0151g\u00e9p-ambici\u00f3it A 90-es \u00e9vekben a NASA-nak mer\u00e9sz elk\u00e9pzel\u00e9se volt: ki kell fejleszteni egy X-33 n\u00e9ven \u00fajrafelhaszn\u00e1lhat\u00f3 \u0171rrep\u00fcl\u0151g\u00e9pet, amely dr\u00e1maian cs\u00f6kkentheti a rakom\u00e1nyok p\u00e1ly\u00e1ra \u00e1ll\u00edt\u00e1s\u00e1nak k\u00f6lts\u00e9geit. Az \u00fcgyn\u00f6ks\u00e9g azonban v\u00e9g\u00fcl 2001-ben technikai kih\u00edv\u00e1sok miatt megsz\u00fcntette a programot. Ezt az \u00e1lmot most egy ambici\u00f3zus seattle-i startup eleven\u00edti fel, amely [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":278,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-276","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-urkutatas"],"_links":{"self":[{"href":"https:\/\/uridojaras.hu\/index.php?rest_route=\/wp\/v2\/posts\/276","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/uridojaras.hu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/uridojaras.hu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/uridojaras.hu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/uridojaras.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=276"}],"version-history":[{"count":2,"href":"https:\/\/uridojaras.hu\/index.php?rest_route=\/wp\/v2\/posts\/276\/revisions"}],"predecessor-version":[{"id":392,"href":"https:\/\/uridojaras.hu\/index.php?rest_route=\/wp\/v2\/posts\/276\/revisions\/392"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/uridojaras.hu\/index.php?rest_route=\/wp\/v2\/media\/278"}],"wp:attachment":[{"href":"https:\/\/uridojaras.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/uridojaras.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=276"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/uridojaras.hu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}