{"id":1314,"date":"2017-11-26T17:34:48","date_gmt":"2017-11-26T17:34:48","guid":{"rendered":"http:\/\/michal.mizera.pl\/?p=1314"},"modified":"2021-03-20T08:04:00","modified_gmt":"2021-03-20T08:04:00","slug":"roso-a-kysz-lustro-wtorne","status":"publish","type":"post","link":"https:\/\/michal.mizera.pl\/index.php\/roso-a-kysz-lustro-wtorne\/","title":{"rendered":"Roso, a kysz! &#8211; lustro wt\u00f3rne"},"content":{"rendered":"<p style=\"text-align: justify;\"><a href=\"http:\/\/michal.mizera.pl\/wp-content\/uploads\/2017\/11\/zajawka.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1326\" src=\"http:\/\/michal.mizera.pl\/wp-content\/uploads\/2017\/11\/zajawka-300x230.jpg\" alt=\"\" width=\"300\" height=\"230\" srcset=\"https:\/\/michal.mizera.pl\/wp-content\/uploads\/2017\/11\/zajawka-300x230.jpg 300w, https:\/\/michal.mizera.pl\/wp-content\/uploads\/2017\/11\/zajawka.jpg 576w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>Tym razem poruszy\u0142em temat rosy osiadaj\u0105cej na lustrze wt\u00f3rnym teleskopu newtona. Zapraszam do zapoznania si\u0119 z opisem w jaki spos\u00f3b wykona\u0142em kolejn\u0105 grza\u0142k\u0119.<!--more--><\/p>\n<p style=\"text-align: justify;\">Po wykonaniu <a href=\"http:\/\/michal.mizera.pl\/index.php\/roso-a-kysz\/\">pierwszej grza\u0142ki<\/a> ca\u0142y szcz\u0119\u015bliwy korzystaj\u0105c\u00a0 z \u0142adnego wieczoru pojecha\u0142em do Krzy\u015bka na dzia\u0142k\u0119 wypr\u00f3bowa\u0107 jak nowy sprz\u0119t dzia\u0142a. Rozstawi\u0142em sprz\u0119t, pierwsza rosa pojawi\u0142a si\u0119 ju\u017c po 10 minutach. Pod\u0142\u0105czy\u0142em zasilanie do grza\u0142eczki, miodzio, robi si\u0119 ciep\u0142a. Po paru minutach po rosie nie by\u0142o \u015bladu.<br \/>\nZabra\u0142em si\u0119 za zbieranie materia\u0142u. Pierwsze kilka klatek wysz\u0142o ok wi\u0119c uciek\u0142em do cieplutkiego kominka nie\u015bwiadom tego, \u017ce za \u015bcian\u0105 odbywa si\u0119 dramat. Fina\u0142 da\u0142o si\u0119 zobaczy\u0107 dopiero w domu. Ca\u0142y materia\u0142 do kosza. Rosa zdradziecko osiad\u0142a na lustrze wt\u00f3rnym. Zjawisko do\u015b\u0107 trudne do zaobserwowania go\u0142ym okiem bo lustro jest do g\u00f3ry nogami i po prostu go nie widzimy.<\/p>\n<p style=\"text-align: justify;\">Rozpocz\u0105\u0142em poszukiwania rozwi\u0105zania tego problemu i szybko wysz\u0142o na to, \u017ce potrzebna jest grza\u0142ka na lustro wt\u00f3rne. Nawijanie drutu oporowego uzna\u0142em za zbyt skomplikowane. Nawini\u0119cie 30 cm drutu na tak ma\u0142ej powierzchni by\u0142o do\u015b\u0107 skomplikowan\u0105 operacj\u0105. Postanowi\u0142em wykona\u0107 t\u0105 grza\u0142k\u0119 na pasywnym elemencie elektronicznym, czyli rezystorze.<br \/>\nWybra\u0142em 47 ohmowy rezystor o mocy 20W w obudowie RTO (<a href=\"https:\/\/www.tme.eu\/pl\/details\/rto20f47r\/rezystory-mocy-to220\/vishay\/rto020f47r00jte3\/\">RTO20F47R<\/a>).<\/p>\n<p style=\"text-align: justify;\">Z kalkulacji matematycznej wysz\u0142o \u017ce taki uk\u0142ad\u00a0 powinien dysponowa\u0107 moc\u0105\u00a0 oko\u0142o 3W.<\/p>\n<p style=\"text-align: justify;\">Aby zwi\u0119kszy\u0107 bezw\u0142adno\u015b\u0107 ciepln\u0105 i u\u0142atwi\u0107 rozgrzewanie si\u0119 lustra wt\u00f3rnego przygotowa\u0142em stosowny radiator wykonany z blachy miedzianej o grubo\u015bci 0,5mm.<\/p>\n<p style=\"text-align: justify;\">\u00d3w radiator przymocowa\u0142em co LW klejem termoprzewodz\u0105cym. Tak samo rezystor. Podlutowa\u0142em przewody elektryczne, pomalowa\u0142em na czarno \u017ceby nie wprowadza\u0142o to \u017cadnych optycznych b\u0142yskotk\u00f3w. Przewody elektryczne przymocowa\u0142em do paj\u0105ka LW i gotowe.<\/p>\n<p style=\"text-align: justify;\">Z pomiar\u00f3w amperomierzem wysz\u0142o \u017ce\u00a0 przy 12V uk\u0142ad\u00a0 pobiera\u00a0 0,15A. Moc wi\u0119c wynosi 1.8W. Podobnie jak w przypadku pierwszej grza\u0142ki matematyka a \u017cycie to dwa r\u00f3\u017cne bieguny.\u00a0 Organoleptycznie stwierdzi\u0142em \u017ce grzeje wystarczaj\u0105co mocno.<\/p>\n<p style=\"text-align: justify;\">Teraz czas na kilka fotek :-), polecam wykonanie takiej grza\u0142ki we w\u0142asnym zakresie. 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height=\"150\" src=\"https:\/\/michal.mizera.pl\/wp-content\/uploads\/2017\/11\/WP_20171126_17_24_02_Rich_LI-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" srcset=\"https:\/\/michal.mizera.pl\/wp-content\/uploads\/2017\/11\/WP_20171126_17_24_02_Rich_LI-150x150.jpg 150w, https:\/\/michal.mizera.pl\/wp-content\/uploads\/2017\/11\/WP_20171126_17_24_02_Rich_LI-576x576.jpg 576w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Tym razem poruszy\u0142em temat rosy osiadaj\u0105cej na lustrze wt\u00f3rnym teleskopu newtona. Zapraszam do zapoznania si\u0119 z opisem w jaki spos\u00f3b wykona\u0142em kolejn\u0105 grza\u0142k\u0119.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[3,7],"tags":[29,30,28],"class_list":["post-1314","post","type-post","status-publish","format-standard","hentry","category-astro","category-maszyneria","tag-grzalka-lustra-wrotnego","tag-rosa-a-teleskop","tag-teleskop-newtona"],"_links":{"self":[{"href":"https:\/\/michal.mizera.pl\/index.php\/wp-json\/wp\/v2\/posts\/1314","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/michal.mizera.pl\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/michal.mizera.pl\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/michal.mizera.pl\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/michal.mizera.pl\/index.php\/wp-json\/wp\/v2\/comments?post=1314"}],"version-history":[{"count":2,"href":"https:\/\/michal.mizera.pl\/index.php\/wp-json\/wp\/v2\/posts\/1314\/revisions"}],"predecessor-version":[{"id":1329,"href":"https:\/\/michal.mizera.pl\/index.php\/wp-json\/wp\/v2\/posts\/1314\/revisions\/1329"}],"wp:attachment":[{"href":"https:\/\/michal.mizera.pl\/index.php\/wp-json\/wp\/v2\/media?parent=1314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/michal.mizera.pl\/index.php\/wp-json\/wp\/v2\/categories?post=1314"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/michal.mizera.pl\/index.php\/wp-json\/wp\/v2\/tags?post=1314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}