{"id":907,"date":"2012-10-19T09:39:15","date_gmt":"2012-10-19T09:39:15","guid":{"rendered":"http:\/\/breves.lavigilanta.info\/?p=907"},"modified":"2012-10-19T09:39:15","modified_gmt":"2012-10-19T09:39:15","slug":"construir-una-bicicleta-de-carton-el-medio-de-transporte-mas-asequible-de-la-historia","status":"publish","type":"post","link":"https:\/\/breves.lavigilanta.info\/?p=907","title":{"rendered":"Construir una bicicleta de cart\u00f3n: el medio de transporte m\u00e1s asequible de la historia"},"content":{"rendered":"<p>via Fieras de la Ingenier\u00eda http:\/\/www.fierasdelaingenieria.com\/construir-una-bicicleta-de-carton-el-medio-transporte-mas-asequible-de-la-historia\/:<\/p>\n<p>El ingeniero industrial israel\u00ed <strong>Izhar Gafni<\/strong>, especializado en l\u00edneas de producci\u00f3n automatizadas en masa, tuvo una idea un tanto original, dise\u00f1ar y construir una bicicleta de alta durabilidad realizada en su mayor parte por un material bastante simple y muy com\u00fan: <strong>el cart\u00f3n<\/strong>.<span><\/span><\/p>\n<p>El cart\u00f3n, hecho de pulpa de madera, fue inventado en el siglo XIX como <strong>un embalaje resistente para transportar objetos fr\u00e1giles o valiosos<\/strong>. Sin embargo, pocas veces ha sido considerado como un material ideal para fabricar cosas que, por lo general, suelen estar construidas con materiales m\u00e1s fuertes como es el metal en el caso de las bicicletas.<\/p>\n<\/p>\n<p><center><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"http:\/\/www.youtube.com\/embed\/txSboSNQINs\" frameborder=\"0\"><\/iframe><\/center><\/p>\n<p>Una vez que las piezas de cart\u00f3n han sido de forma individual cortadas y ensambladas, son tratadas con una mezcla secreta compuesta de materiales org\u00e1nicos para darle <strong>su impermeabilidad y cualidades ign\u00edfugas<\/strong>. En la etapa final, se recubre con pintura de laca para darle el aspecto definitivo.<\/p>\n<p>La bicicleta <strong>no incluye partes met\u00e1licas<\/strong>, incluso el mecanismo de freno, la rueda y los pedales se hacen de materiales reciclados, aunque Izhar Gafni, comenta que a\u00fan no puede revelar mayores detalles debido a asuntos relacionados con patentes pendientes de conceder.<\/p>\n<\/p>\n<p><center><a href=\"https:\/\/i0.wp.com\/www.fierasdelaingenieria.com\/wp-content\/uploads\/2012\/10\/bici-carton-002.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/www.fierasdelaingenieria.com\/wp-content\/uploads\/2012\/10\/bici-carton-002.jpg?resize=497%2C387\" alt=\"Bicicleta de cart\u00f3n\" title=\"Bicicleta de cart\u00f3n\" width=\"497\" height=\"387\"><\/a><\/center><\/p>\n<p>Estas bicicletas no s\u00f3lo son muy baratas de hacer (podr\u00edan venderse a un precio final de 15\u20ac), sino que adem\u00e1s <strong>son muy ligeras y no necesitan ser ajustadas o reparadas<\/strong>. Adem\u00e1s, los neum\u00e1ticos s\u00f3lidos est\u00e1n hechos de caucho reconstituido a partir de neum\u00e1ticos viejos que son inmunes a los pinchazos al no contener c\u00e1mara de aire.<\/p>\n<p>Una bicicleta de cart\u00f3n de tama\u00f1o completo alcanzar\u00eda un peso cercano a los 9 Kg, en comparaci\u00f3n con una bicicleta de metal promedio, que cuenta con alrededor de 14 Kg de peso. Sin duda todo un punto a favor, sobre todo en pa\u00edses de \u00c1frica, donde se espera poder implantar este tipo de <strong>transporte asequible<\/strong> hacia la poblaci\u00f3n seg\u00fan palabras de Izhar Gafni.<\/p>\n<p>M\u00e1s informaci\u00f3n | <a href=\"http:\/\/www.telegraph.co.uk\/news\/worldnews\/africaandindianocean\/9609146\/Cardboard-bike-is-a-game-changer-in-Africa.html\">The Telegraph<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>via Fieras de la Ingenier\u00eda http:\/\/www.fierasdelaingenieria.com\/construir-una-bicicleta-de-carton-el-medio-transporte-mas-asequible-de-la-historia\/: El ingeniero industrial israel\u00ed Izhar Gafni, especializado en l\u00edneas de producci\u00f3n automatizadas en masa, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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 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