Kev, your aero screens are rather passe(need to borrow an acute accent for that last "e").

Below is a shot of an MG J2, the part octagonal shape is easier to see on the passenger aero screen:



So, with all your ingenuity, I think you should be considering Morgan wings shaped aero screens!! grin2

(SBM said that smile )

Graham (G4FUJ)

Sold L44FOR 4/4 Giallo Fly
'09 Gen2 MINI Cooper ragtop
'90 LR 90 SW