Juan Salvadori (CZ Wings Aero-Velería) design and builder of the Venturi speedglider has posted a video on YouTube of his Test Pilot Gillermo Besada testing the 17 m2 Venturi for thermal flights.
[url=http://www.youtube.com/watch?v=SEglvjgZb2w]http://www.youtube.com/watch?v=SEglvjgZb2w[/url]
for more details of the Venturi see [url=http://www.speed-flying.com/venturi]http://www.speed-flying.com/venturi[/url]