Aerovelo – Human-powered Helicopter Add comments Jul 162013 Hello there! If you are new here, you might want to subscribe to the RSS feed for updates on this topic.Powered by WP Greet Box WordPress PluginFirst winners of the Sikorsky prize since its inception in 1980. Logging In... Profile cancel Sign in with Twitter Sign in with Facebook or CommentName EmailNot published Website CAPTCHA Code * Notify me of follow-up comments by email. Notify me of new posts by email.