http://fangin.com/blog/2011/12/05/quadycopter-maiden-flight-video/?utm_source=rss&utm_medium=rss&utm_campaign=quadycopter-maiden-flight-video RC, photos & tech Fri, 13 Mar 2020 08:32:20 +0000 hourly 1 https://wordpress.org/?v=5.1.12