{"id":1731,"date":"2013-06-26T15:14:47","date_gmt":"2013-06-26T15:14:47","guid":{"rendered":"http:\/\/www.flugmodel.is\/?page_id=1731"},"modified":"2013-06-26T15:26:03","modified_gmt":"2013-06-26T15:26:03","slug":"vaengflotur-reiknadur","status":"publish","type":"page","link":"https:\/\/www.flugmodel.is\/?page_id=1731","title":{"rendered":"V\u00e6ngfl\u00f6tur reikna\u00f0ur"},"content":{"rendered":"<style type=\"text\/css\"><!--\nH2 { margin-bottom: 0.21cm; }H2.western { font-family: \"Arial\",sans-serif; font-size: 14pt; font-style: italic; }H2.cjk { font-family: \"Droid Sans Fallback\"; font-size: 14pt; font-style: italic; }H2.ctl { font-size: 14pt; font-style: italic; }H1 { margin-bottom: 0.21cm; }H1.western { font-family: \"Arial\",sans-serif; font-size: 16pt; }H1.cjk { font-family: \"Droid Sans Fallback\"; font-size: 16pt; }H1.ctl { font-family: \"DejaVu Sans\"; font-size: 16pt; }P { margin-bottom: 0.21cm; }\n--><\/style>\n<h1>\u00a0fyrir beina, misbrei\u00f0a og deltav\u00e6ngi<\/h1>\n<p lang=\"is-IS\">\u00a0Til a\u00f0 finna \u00fat hver <b>v\u00e6nghle\u00f0slan<\/b> er, \u00fe\u00e1 ver\u00f0um vi\u00f0 fyrst a\u00f0 reikan \u00fat <b>v\u00e6ngfl\u00f6tinn<\/b>. V\u00e6ngfl\u00f6tur \u00ed Evr\u00f3pu er alltaf gefinn \u00ed <b>fersentimetrum<\/b> (sm<sup>2<\/sup>) e\u00f0a <b>ferdesimetrum<\/b> (dm<sup>2<\/sup>, sem er algengara), en \u00ed Bandar\u00edkjunum nota \u00feeir <b>fertommur<\/b> (in<sup>2<\/sup>).<\/p>\n<p lang=\"is-IS\">\u00a0<span style=\"color: #0000ff;\"><b>Hvers vegna v\u00e6ngfl\u00f6turinn er mikilv\u00e6gur<\/b><\/span><\/p>\n<ul>\n<li>\u00a0Einn og s\u00e9r er v\u00e6ngfl\u00f6turinn ekkert merkilegur. Vi\u00f0 ver\u00f0um, hins vegar, a\u00f0 reikna hann \u00fat til a\u00f0 geta \u00e1kvar\u00f0a\u00f0 v\u00e6nghle\u00f0slu, sem er mj\u00f6g mikilv\u00e6g.<\/li>\n<\/ul>\n<p lang=\"is-IS\"><span style=\"color: #0000ff;\"><b>V\u00e6ngfl\u00f6tur \u00e1 flugv\u00e9lum me\u00f0 marga v\u00e6ngi<\/b><\/span><\/p>\n<ul>\n<li>\u00a0Reikna\u00f0u hvern v\u00e6ng fyrir sig. Legg\u00f0u \u00fe\u00e1 s\u00ed\u00f0an saman til a\u00f0 finna heildar v\u00e6ngfl\u00f6tinn.<\/li>\n<\/ul>\n<p lang=\"is-IS\"><b>Athuga\u00f0u<\/b><\/p>\n<ul>\n<li>Ef \u00fe\u00fa ert a\u00f0 sm\u00ed\u00f0a \u00far kitti e\u00f0a eftir teikningu, \u00fe\u00e1 \u00e6tti v\u00e6ngfl\u00f6turinn a\u00f0 vera tilgreindur \u00e1 kassanum, \u00ed lei\u00f0beiningunum e\u00f0a \u00e1 teikningunni.<\/li>\n<li>\u00deegar ma\u00f0ur reiknar fl\u00f6tinn fyrir v\u00e6nginn e\u00f0a st\u00e9lfl\u00f6tinn, \u00fe\u00e1 tekur ma\u00f0ur me\u00f0 \u00feann hluta sem gengur \u00ed gegnum skrokkinn, \u00fe\u00f3 \u00feetta b\u00fai ekki til neitt lift.<\/li>\n<\/ul>\n<h2>V\u00e6ngfl\u00f6tur reikna\u00f0ur fyrir beinan v\u00e6ng<\/h2>\n<p lang=\"is-IS\">\u00deetta er bara fl\u00f6tur \u00e1 ferhyrningi og er reikna\u00f0ur me\u00f0 \u00fev\u00ed a\u00f0 margfalda <b>lengdina<\/b> me\u00f0 <b>h\u00e6\u00f0inni<\/b>. \u00cd fluge\u00f0lisfr\u00e6\u00f0i heitir \u00feetta:<\/p>\n<p lang=\"is-IS\"><b>v\u00e6ngfl\u00f6tur = v\u00e6nghaf x v\u00e6ngbreidd<\/b><\/p>\n<p lang=\"is-IS\">\u00a0<a href=\"http:\/\/www.flugmodel.is\/wp-content\/uploads\/2013\/06\/wing_area_01.gif\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-1733\" alt=\"wing_area_01\" src=\"http:\/\/www.flugmodel.is\/wp-content\/uploads\/2013\/06\/wing_area_01-300x112.gif\" width=\"300\" height=\"112\" \/><\/a><\/p>\n<h2>V\u00e6ngfl\u00f6tur reikna\u00f0ur fyrir misbrei\u00f0an v\u00e6ng<\/h2>\n<p lang=\"is-IS\">Til a\u00f0 finna flatarm\u00e1l \u00e1 misbrei\u00f0um v\u00e6ng notar ma\u00f0ur form\u00faluna fyrir <b>trap\u00edsu<\/b>. Byrja\u00f0u \u00e1 \u00fev\u00ed a\u00f0 finna <b>me\u00f0al v\u00e6ngbreidd<\/b> og margfalda\u00f0u hana me\u00f0 <b>v\u00e6nghafinu<\/b>:<\/p>\n<p lang=\"is-IS\">\u00a0<b>Me\u00f0al v\u00e6ngbreidd = ( R\u00f3tarbreidd + Endabreidd) \/ 2<\/b><\/p>\n<p lang=\"is-IS\">\u00a0<a href=\"http:\/\/www.flugmodel.is\/wp-content\/uploads\/2013\/06\/wing_area_02.gif\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-1736\" alt=\"wing_area_02\" src=\"http:\/\/www.flugmodel.is\/wp-content\/uploads\/2013\/06\/wing_area_02-300x130.gif\" width=\"300\" height=\"130\" \/><\/a><\/p>\n<p lang=\"is-IS\"><b>V\u00e6ngfl\u00f6tur = v\u00e6nghaf x me\u00f0al v\u00e6ngbreidd<\/b><\/p>\n<p lang=\"is-IS\">Athuga\u00f0u: \u00dea\u00f0 skiptir ekki m\u00e1li hvort v\u00e6ngurinn er aftursveig\u00f0ur e\u00f0a ekki. Form\u00falan fyrir misbrei\u00f0an v\u00e6ng er notu\u00f0 sama hversu aftursveig\u00f0ur hann er.<\/p>\n<p lang=\"is-IS\">Ef v\u00e6ngurinn mj\u00f3kkar \u00ed \u00ferepum, \u00fe\u00e1 er hver trap\u00edsa reiknu\u00f0 fyrir sig og \u00fe\u00e6r s\u00ed\u00f0an lag\u00f0ar saman.<\/p>\n<h2>V\u00e6ngfl\u00f6tur fundinn fyrir deltav\u00e6ng<\/h2>\n<p lang=\"is-IS\">Ef endabreiddin \u00e1 <strong>deltav\u00e6ng<\/strong> er meiri en 0 sm, \u00fe\u00e1 er notu\u00f0 form\u00falan fyrir <strong>misbrei\u00f0an v\u00e6ng<\/strong> eins og s\u00fdnt er a\u00f0 ofan.<\/p>\n<p lang=\"is-IS\"><a href=\"http:\/\/www.flugmodel.is\/wp-content\/uploads\/2013\/06\/delta_011.gif\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-1738\" alt=\"delta_01\" src=\"http:\/\/www.flugmodel.is\/wp-content\/uploads\/2013\/06\/delta_011-300x225.gif\" width=\"300\" height=\"225\" \/><\/a><\/p>\n<p lang=\"is-IS\" style=\"text-align: left;\" align=\"CENTER\"><em>Deltav\u00e6ngur me\u00f0 enda sem er brei\u00f0ari en 0 sm<\/em><\/p>\n<p lang=\"is-IS\">\u00a0Ef endabreiddin \u00e1 deltav\u00e6ng er 0 sm, \u00fe\u00e1 er notu\u00f0 form\u00falan fyrir flatarm\u00e1l \u00fer\u00edhyrnings:<\/p>\n<p lang=\"is-IS\">\u00a0<strong>V\u00e6ngfl\u00f6tur = 1\/2 x v\u00e6nghafi\u00f0 x r\u00f3tarbreiddin<\/strong><\/p>\n<p lang=\"is-IS\">\u00a0<a href=\"http:\/\/www.flugmodel.is\/wp-content\/uploads\/2013\/06\/delta_021.gif\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-1739\" alt=\"delta_02\" src=\"http:\/\/www.flugmodel.is\/wp-content\/uploads\/2013\/06\/delta_021-300x225.gif\" width=\"300\" height=\"225\" \/><\/a><\/p>\n<p lang=\"is-IS\" style=\"text-align: left;\" align=\"CENTER\"><em>Deltav\u00e6ngur me\u00f0 enda sem er 0 sm \u00e1 breidd<\/em><\/p>\n<style type=\"text\/css\"><!--\nP { margin-bottom: 0.21cm; }A:link {  }\n--><\/style>\n<hr \/>\n<p lang=\"is-IS\"><span style=\"font-size: small;\">H\u00f6fundarr\u00e9ttur \u00a9 2003 Paul K. Johnson<\/span><\/p>\n<p lang=\"is-IS\"><span style=\"font-size: small;\">\u00de\u00fdtt me\u00f0 leyfi h\u00f6fundar<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0fyrir beina, misbrei\u00f0a og deltav\u00e6ngi \u00a0Til a\u00f0 finna \u00fat hver v\u00e6nghle\u00f0slan er, \u00fe\u00e1 ver\u00f0um vi\u00f0 fyrst a\u00f0 reikan \u00fat v\u00e6ngfl\u00f6tinn. V\u00e6ngfl\u00f6tur \u00ed Evr\u00f3pu er alltaf gefinn \u00ed fersentimetrum (sm2) e\u00f0a ferdesimetrum (dm2, sem er algengara), en \u00ed Bandar\u00edkjunum nota \u00feeir &hellip; <a href=\"https:\/\/www.flugmodel.is\/?page_id=1731\">Halda \u00e1fram a\u00f0 lesa <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":18,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/pages\/1731"}],"collection":[{"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1731"}],"version-history":[{"count":4,"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/pages\/1731\/revisions"}],"predecessor-version":[{"id":1752,"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/pages\/1731\/revisions\/1752"}],"up":[{"embeddable":true,"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=\/wp\/v2\/pages\/18"}],"wp:attachment":[{"href":"https:\/\/www.flugmodel.is\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}