Looks like the pickup truck spoiler might be just what the doctor ordered for convertible windshields
This one
So it would make air flow go and head lower for a less tall windshield wake.
While lower this flow wouldn't be so low IMO as to be directed to the drivers head.
Even for the aerodynamically state of the art E-class convertible the normal flow is well above the drivers head, even for tall drivers.
Even if air were directed to the drivers head (with increadible drag reduction by doing so) the pickup truck spoiler might be tilted to redirect air upwards
In a similar line of thinking this pickup truck spoiler might be used in the A-pillars to redirect flow inside the car reducing the windshield wake when viewed from above.
Any ideas for pickup truck spoiler angle?
Would boundary layer suction and/or blowing allow to use more dramatic spoiler angles?
Mods?
Is this spoiler already patented?