---------------------------------------------------------- Allegro-List Digest Archive --- Total Messages Posted Mon 06/30/08: 1 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 06:53 AM - Re: Vortex generators update (aerosiam) ________________________________ Message 1 _____________________________________ Time: 06:53:56 AM PST US Subject: Allegro-List: Re: Vortex generators update From: "aerosiam" Hugh The VGs have 2 benefits. They reduce stall speed and improve control effectiveness as slow speed. The stall speed is less because the VGs allow the wing to fly at a higher angle of attack than before - I would guess only 1 degree more at landing full flaps so the tail will be slightly nearer the ground on a full flare landing The improved control means that whatever stick inputs you are used to for landing and taking off, you will need slightly less back pressure for the same effect - it is like having a slightly bigger horizontal tail surface In practice, the effects are not significant and it only takes a few take offs and landing to get used to it. The effect is more with full span VGs over half-span. The downsides of the VGs are very minor compared to the improvement in safety and handling. Regards Paul Read this topic online here: http://forums.matronics.com/viewtopic.php?p=190540#190540 ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message allegro-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Allegro-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/allegro-list Browse Digests http://www.matronics.com/digest/allegro-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.