I did not want to start a new thread just to post an image of this aerodynamic oddity. Therefore I'm just posting it here in this thread.
Sure looks like something which would need to be tested in a wind tunnel.
I know we have discussed this concept before, but have been unable to retrieve that old thread.
Air Tube - for cooling (Pre-A/C).
2016 Orphan Car Show by George Kachadoorian | Photobucket