1.0winguu ° fly high ° land gentlyhttps://www.winguu.com/elwinguuhttps://www.winguu.com/el/author/winguu/rich600338<blockquote class="wp-embedded-content" data-secret="Lnuj30hd7y"><a href="https://www.winguu.com/el/thermalling-techniques-classic-and-turn-reversal/">Thermalling techniques: Classic and turn-reversal</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.winguu.com/el/thermalling-techniques-classic-and-turn-reversal/embed/#?secret=Lnuj30hd7y" width="600" height="338" title="“Thermalling techniques: Classic and turn-reversal” — winguu ° fly high ° land gently" data-secret="Lnuj30hd7y" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !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); //# sourceURL=https://www.winguu.com/wp-includes/js/wp-embed.min.js /* ]]> */ </script> This is an edited extract from Fifty Ways to Fly Better, by Bruce Goldsmith Finding the best lift in a thermal is one of the most vital skills in flying. Half of competition flying is about climbing the fastest, the other half is about gliding. For the recreational pilot, flying around above your friends is […] ...read more