G`day, winglets have been a much discussed subject here at PPRuNeland. Have a look at the thread below, just about covers it...... .. .I saw an advert yesterday for sanitary towells, they had winglets - discuss...... .. .<a href="http://www.pprune.org/cgibin/ultimatebb.cgi?ubb=get_profile;u=00001699" target="_blank">http://www.pprune.org/cgibin/ultimatebb.cgi?ubb=get_profile;u=00001699</a>. .. .Regard, Speedbored