{"id":57597,"date":"2018-09-26T17:29:13","date_gmt":"2018-09-26T14:29:13","guid":{"rendered":"https:\/\/www.lovendal.ro\/wp52\/?p=57597"},"modified":"2018-09-26T17:29:13","modified_gmt":"2018-09-26T14:29:13","slug":"genii-romanesti-in-aviatie-in-afara-de-traian-vuia-aurel-vlaicu-henri-coanda-de-exemplu-americanii-au-ajuns-pe-luna-cu-ajutorul-calculelor-matematicianului-roman-george-botezatu","status":"publish","type":"post","link":"https:\/\/www.lovendal.ro\/wp52\/genii-romanesti-in-aviatie-in-afara-de-traian-vuia-aurel-vlaicu-henri-coanda-de-exemplu-americanii-au-ajuns-pe-luna-cu-ajutorul-calculelor-matematicianului-roman-george-botezatu\/","title":{"rendered":"Genii rom\u00e2ne\u015fti \u00een avia\u0163ie, \u00een afar\u0103 de Traian Vuia &#8211; Aurel Vlaicu &#8211; Henri Coand\u0103! De exemplu, americanii au ajuns pe Lun\u0103 cu ajutorul calculelor matematicianului rom\u00e2n George Botezatu"},"content":{"rendered":"<p><a href=\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2018\/09\/aviatie.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-57598\" src=\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2018\/09\/aviatie.jpg\" alt=\"\" width=\"338\" height=\"211\" srcset=\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2018\/09\/aviatie.jpg 338w, https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2018\/09\/aviatie-300x187.jpg 300w, https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2018\/09\/aviatie-320x200.jpg 320w\" sizes=\"auto, (max-width: 338px) 100vw, 338px\" \/><\/a>De-a lungul timpului, poporul rom\u00e2n a avut o contribu\u0163ie esen\u0163ial\u0103 \u00een dezvoltarea industriei aeronautice. Toat\u0103 lumea cunoa\u015fte &#8222;triunghiul de aur&#8221; al avia\u0163iei rom\u00e2ne: Traian Vuia &#8211; Aurel Vlaicu \u015fi Henri Coand\u0103.<\/p>\n<p><strong>Traian Vuia<\/strong> (1872-1950) a brevetat la 17 august 1903 \u201eaeroplanul automobil&#8221; pe care l-a terminat de construit dup\u0103 trei ani de eforturi materiale \u015fi financiare, Vuia va reu\u015fi, la 18 martie 1906, s\u0103 p\u0103r\u0103seasc\u0103 solul cu acest aparat, \u00een\u0103l\u0163\u00e2ndu-se la 60 cm deasupra solului \u015fi zbur\u00e2nd pe o distan\u0163\u0103 de 12 m. Priorit\u0103\u0163ile de\u0163inute de Traian Vuia prin acest zbor epocal sunt urm\u0103toarele: prima decolare cu mijloace proprii de bord; primul zbor realizat cu un aparat mai greu dec\u00e2t aerul, aparat prev\u0103zut cu tren de aterizare, care f\u0103cea parte integrant\u0103 din el; primul avion cu ro\u0163i pneumatice; primul zbor cu o singur\u0103 elice tractiv\u0103, primele aripi pliante (aeroplanul se deplasa pe \u015fosea ca un automobil, dotat cu un original motor ce func\u0163iona cu anhidrid\u0103 carbonic\u0103).<\/p>\n<p>Un alt pionier \u00een domeniul avia\u0163iei a fost <strong>Aurel Vlaicu<\/strong> (1882-1913). Aparatul s\u0103u \u201eVlaicu I&#8221; este primul avion construit \u00een \u00eentregime \u00een patrie, iar Rom\u00e2nia a doua \u0163ar\u0103 din lume care a folosit aeroplanul la manevre militare. Aurel Vlaicu a dominat cu avionul s\u0103u, prin viraje str\u00e2nse, maniabilitate, vitez\u0103 mai mare, mitingul aviatic de la Cotroceni, organizat la 5 septembrie 1910, reu\u015find s\u0103 se impun\u0103 \u00een fa\u0163a avioanelor Bleriot \u015fi Farman. Cele trei tipuri de aparate g\u00e2ndite de Vlaicu (I &#8211; 1910; II &#8211; 1911 \u015fi III &#8211; 1913) s-au impus \u00een avia\u0163ia mondial\u0103 prin aripile lor cu profil variabil, stabilitate perfect\u0103, tren de aterizare cu ro\u0163i independente, dou\u0103 elice plasate \u00een tandem pentru anularea cuplului de r\u0103sturnare.<\/p>\n<p>\u00cen anul 1910, un nou tip de avion f\u0103r\u0103 elice, apt pentru zbor \u015fi av\u00e2nd la bord pe ingeniosul s\u0103u constructor, era prezentat la cel de-al doilea salon al aeronauticii deschis \u00een capitala Fran\u0163ei, Paris.\u00a0 Renumitul inginer Gustave Eiffel, intuind geniul constructorului rom\u00e2n, avea s\u0103-i declare cu acest prilej:<em> \u201eP\u0103cat, tinere, c\u0103 te-ai n\u0103scut cu 30 de ani, dac\u0103 nu cu 50 prea devreme&#8221;<\/em>. Acest t\u00e2n\u0103r deosebit era <strong>Henri Coand\u0103<\/strong> (1886-1972), autor a peste 260 de inven\u0163ii importante, dintre care amintim: primul avion cu reac\u0163ie din lurne, primul avion cu dou\u0103 motoare, iar \u00een 1914 al tunului f\u0103r\u0103 recul pentru avioanele de lupt\u0103. \u00cen 1905, la numai 19 ani, realiza \u00een atelierele Arsenalului Armatei din Dealul Spirii macheta unui avion propulsat de o rachet\u0103 cu combustibil solid. De asemenea, Coand\u0103 a explicat, \u00een 1934, prin efectul care-i poart\u0103 numele, principiile zborului \u201eaerodinelor enticulare&#8221;, mult controversatele \u201efarfurii zbur\u0103toare&#8221;. Acest tip nou de propulsie a corpurilor \u00een spa\u0163iu avea s\u0103 produc\u0103 ulterior o revolu\u0163ie colosal\u0103 \u00een domeniul avia\u0163iei, Coand\u0103 fiind solicitat, dup\u0103 1945, de For\u0163ele Aeriene Americane s\u0103 lucreze la experimentarea unor noi tehnici de zbor.<\/p>\n<p>Dar, mai exist\u0103 \u015fi al\u0163i inventatori rom\u00e2ni \u00een domeniul aviaticii, mai pu\u0163in cunoscu\u0163i, dar care merit\u0103 aten\u0163ia noastr\u0103. \u00centre pionierii avia\u0163iei ar trebui acordat un loc de frunte lui <strong>Ion Stoica<\/strong>, \u0163\u0103ran din Ormindea, Hunedoara. Acesta a realizat, \u00een 1901, un ingenios model de aparat pentru zburat, cu dou\u0103 elice, care se roteau \u00een sens invers. Dup\u0103 zece ani, independent unul de altul, <strong>Ion C. Vissarion, Ion Nicolae Vasiliu, Grigore Bri\u015fcu<\/strong>, iar \u00een perioada 1917-1918, la Ia\u015fi, <strong>George Botezatu<\/strong> (1883-1940), experimenteaz\u0103 un model precursor al elicopterului actual. Aparatele aveau, \u00een premier\u0103 mondial\u0103, pasul variabil al palelor elicei \u015fi ac\u0163ionarea coaxial\u0103 \u00een sensuri de rota\u0163ie opuse celor dou\u0103 elice. De asemenea, inginerul Botezatu a sus\u0163inut la Sorbona, \u00een 1911, primul doctorat av\u00e2nd subiect din domeniul avia\u0163iei: <em>\u201eStudiul stabilit\u0103\u0163ii aeroplanului&#8221;<\/em>, fiind, dup\u0103 anul 1920, profesor de matematic\u0103 \u00een SUA. Calculele sale privind traiectoriile P\u0103m\u00e2nt-Lun\u0103 \u015fi retur au fost analizate \u015fi folosite \u00een perioada de preg\u0103tire a programului spa\u0163ial american Apollo.<\/p>\n<p>Principiile zborului coleopteric, denumit a\u015fa prin asem\u0103nare cu zborul insectelor coleoptere, principii care abia dup\u0103 al doilea r\u0103zboi mondial \u00eencep a fi serios studiate, au fost enun\u0163ate \u015fi demonstrate practic, \u00eenc\u0103 din 1909, de c\u0103tre t\u00e2n\u0103rul Rodrig Goliescu. Zborul coleopteric folose\u015fte proprietatea surprinz\u0103toare a unui corp tubular (fuzelaj) de a-\u015fi asigura portan\u0163a \u00een zbor. \u201eAvioplanele&#8221; lui Goliescu au demonstrat o mare stabilitate \u015fi vitez\u0103 ascensional\u0103, spor de trac\u0163iune, rezisten\u0163\u0103 mic\u0103 la \u00eenaintare.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>De-a lungul timpului, poporul rom\u00e2n a avut o contribu\u0163ie esen\u0163ial\u0103 \u00een dezvoltarea industriei aeronautice. Toat\u0103 lumea cunoa\u015fte &#8222;triunghiul de aur&#8221; al avia\u0163iei rom\u00e2ne: Traian Vuia &#8211; Aurel Vlaicu \u015fi Henri Coand\u0103. Traian Vuia (1872-1950) a brevetat la 17 august 1903 &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Genii rom\u00e2ne\u015fti \u00een avia\u0163ie, \u00een afar\u0103 de Traian Vuia &#8211; Aurel Vlaicu &#8211; Henri Coand\u0103! De exemplu, americanii au ajuns pe Lun\u0103 cu ajutorul calculelor matematicianului rom\u00e2n George Botezatu\" class=\"read-more button\" href=\"https:\/\/www.lovendal.ro\/wp52\/genii-romanesti-in-aviatie-in-afara-de-traian-vuia-aurel-vlaicu-henri-coanda-de-exemplu-americanii-au-ajuns-pe-luna-cu-ajutorul-calculelor-matematicianului-roman-george-botezatu\/#more-57597\" aria-label=\"Cite\u0219te mai multe despre Genii rom\u00e2ne\u015fti \u00een avia\u0163ie, \u00een afar\u0103 de Traian Vuia &#8211; Aurel Vlaicu &#8211; Henri Coand\u0103! De exemplu, americanii au ajuns pe Lun\u0103 cu ajutorul calculelor matematicianului rom\u00e2n George Botezatu\">Cititi mai multe<\/a><\/p>\n","protected":false},"author":1,"featured_media":57598,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[2990,12589,7865,12587,762,4554,9224,3283,648,4186,202,5380,8668,329,3518,1532,149,1722,105,836,1635,858,23,12588,2551],"class_list":["post-57597","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-istorie","tag-apollo","tag-aurel-vlaicu","tag-automobil","tag-aviatie","tag-avion","tag-cel-de-al-doilea-razboi-mondial","tag-elice","tag-elicopter","tag-farfurie-zburatoare","tag-fortele-aeriene-americane","tag-franta","tag-henri-coanda","tag-hunedoara","tag-iasi","tag-inventie","tag-istorie-si-civilizatii","tag-luna","tag-matematica","tag-pamant","tag-paris","tag-racheta","tag-romani","tag-sua","tag-traian-vuia","tag-zbor","resize-featured-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Genii rom\u00e2ne\u015fti \u00een avia\u0163ie, \u00een afar\u0103 de Traian Vuia - Aurel Vlaicu - Henri Coand\u0103! 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