{"id":1361,"date":"2012-11-30T16:26:14","date_gmt":"2012-11-30T15:26:14","guid":{"rendered":"http:\/\/agora.xtec.cat\/institutcanplanas\/?p=1361"},"modified":"2016-11-07T18:42:48","modified_gmt":"2016-11-07T17:42:48","slug":"el-tractor-de-cadenes-dels-alumnes-de-3r","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/institutcanplanas\/portada\/el-tractor-de-cadenes-dels-alumnes-de-3r\/","title":{"rendered":"El tractor de cadenes dels alumnes de 3r"},"content":{"rendered":"<div class=\"news_hometext\">\n<p>Al taller de tecnologia els alumnes de 3r d\u2019ESO estan construint un petit tractor de cadenes de nom\u00e9s 496 grams. El seu motor funciona amb una pila de 4,5 volts, aconseguint una velocitat d\u2019un metre per minut.<\/p>\n<p><a href=\"https:\/\/lh5.googleusercontent.com\/-lTrDDekT2ZU\/ULj-L7qBrSI\/AAAAAAAAVVs\/h-3ngK4ZnzE\/s640\/tractor7701.jpg\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/-AVLCxqvzmgc\/ULj-LRKC3yI\/AAAAAAAAVVo\/xbD5VLyu1co\/s282\/tractor7702.jpg\" alt=\"tractor\" \/><\/a><\/p>\n<\/div>\n<p><!--more--><\/p>\n<p>S\u2019han assajat diversos motors i conjunts d\u2019engranatges, fins a arribar a una millor combinaci\u00f3. El motor de 40 grams de pes est\u00e0 connectat a una reductora de tres etapes, de forma que per cada 950 voltes que fa el motor l\u2019eix de les rodes nom\u00e9s fa una.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/-s1LEvFma-u0\/ULj-MA0CCxI\/AAAAAAAAVVw\/WlKFxxkWYlo\/s640\/tractor7703.jpg\" alt=\"tractor\" \/><\/p>\n<p>La potencia del motor es de 2,2 watts i el parell de 0,0024 newtons metre, treballant el motor a 8.075 rpm. Amb aquest motor es poden superar pendents de 10\u00ba.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/-Vro7Q5Q9eZw\/ULj-MbUHAbI\/AAAAAAAAVV0\/P-FwZICyocs\/s576\/tractor7704.jpg\" alt=\"tractor\" \/><\/p>\n<p>Els tractors que tinguin millors caracter\u00edstiques aniran a l\u2019exposici\u00f3 del <strong><a href=\"http:\/\/agora.xtec.cat\/institutcanplanas\/intranet\/index.php?module=news&amp;func=display&amp;sid=107\" target=\"_blank\">MERCATEC Vall\u00e8s<\/a><\/strong>, que es far\u00e0 els dies 16 i 17 d\u2019abril al vest\u00edbul de l\u2019Escola d\u2019Enginyeria de Terrassa.<\/p>\n<p><iframe loading=\"lazy\" src=\"http:\/\/www.youtube.com\/embed\/Crx3nNIOGwE?feature=player_detailpage\" width=\"640\" height=\"360\" frameborder=\"0\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Al taller de tecnologia els alumnes de 3r d\u2019ESO estan construint un petit tractor de cadenes de nom\u00e9s 496 grams. El seu motor funciona amb una pila de 4,5 volts, aconseguint una velocitat d\u2019un metre per minut.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"","theme-transparent-header-meta":"","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":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[29],"tags":[58,117],"class_list":["post-1361","post","type-post","status-publish","format-standard","hentry","category-portada","tag-tallers","tag-tecnologia"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/institutcanplanas\/wp-json\/wp\/v2\/posts\/1361","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/institutcanplanas\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/institutcanplanas\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/institutcanplanas\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/institutcanplanas\/wp-json\/wp\/v2\/comments?post=1361"}],"version-history":[{"count":1,"href":"https:\/\/agora.xtec.cat\/institutcanplanas\/wp-json\/wp\/v2\/posts\/1361\/revisions"}],"predecessor-version":[{"id":1362,"href":"https:\/\/agora.xtec.cat\/institutcanplanas\/wp-json\/wp\/v2\/posts\/1361\/revisions\/1362"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/institutcanplanas\/wp-json\/wp\/v2\/media?parent=1361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/institutcanplanas\/wp-json\/wp\/v2\/categories?post=1361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/institutcanplanas\/wp-json\/wp\/v2\/tags?post=1361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}