On Monday, December 16, 2013 7:06:18 PM UTC-5, waremark wrote:
If it improves performance why do Schempp and Schleicher
not instal it? They work very hard for improved performance.

Well, its a factory option for Antares, and excepting the
Antares located in Canada and north-west, all Antares in
North America have these vents. The exit duct improves cockpit
ventilation, and prevents air leaking out where it shouldn't
(a performance issue with nose intake and inadequate exhaust).


On Monday, 16 December 2013 19:23:31 UTC, Craig Funston wrote:
If Dick Butler believes in it, that's good enough for me :-)

Lange copied Dick, as did Schleicher ;-)
Some details he
http://www.nadler.com/public/2008_Uv...valde2008.html


See ya, Dave "YO electric"