At 02:24 14 July 2005, Serge Serfaty wrote:
I am looking for a fast and cheap way to get/build/change/modifie

the side window to get air inside the cockpit.

Stick your left hand out. Cheap, effective, puts the
air exactly where you need it, retractable. Little
drag penalty at thermallig speeds, where the nose scoop
is ineffective. At cruising speeds, the nose scoop
works OK and you can close the side vent.

Ian