[serialk11r]

Originally Posted by freebeard

If there are in fact flying buttresses that I cannot see, those could act as an air curtain or window clearing device.

Originally Posted by aerohead

Are we discussing 'adding' flying buttresses, extending them out to the actual end of the rear windshield? To sequester the flow within their 'new' boundary?
If so, creating blind spots may have put them off. The driver's view out might be limited, creating a hazard during a lane change.

No what I was trying to get at is you would have to do a lot of cutting into most cars to get flying buttresses, so I was wondering if the winglets alone do anything, or if just the piece perpendicular to the window that forms the root of the winglet would have a similar effect.