{"version":"1.0","provider_name":"Pippenings.com","provider_url":"https:\/\/www.pippenings.com\/rv-living","title":"Rocket Mass Heaters: Pointer? &#8902; Pippenings.com","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"c8XSuA5SKE\"><a href=\"https:\/\/www.pippenings.com\/rv-living\/rv-motorhome-life-forum\/topic\/rocket-mass-heaters\/\">Rocket Mass Heaters: Pointer?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.pippenings.com\/rv-living\/rv-motorhome-life-forum\/topic\/rocket-mass-heaters\/embed\/#?secret=c8XSuA5SKE\" width=\"600\" height=\"338\" title=\"&#8220;Rocket Mass Heaters: Pointer?&#8221; &#8212; Pippenings.com\" data-secret=\"c8XSuA5SKE\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.pippenings.com\/rv-living\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"I&#8217;ve been watching a lot of YouTube videos on the construction of rocket mass heaters and it looks like an easy enough concept. Anyway, has anyone here actually built one and if so do you have some pointers that you can share?"}