According to Eyesore’s calculations, the Enterprise’s disc would allow sufficient cooling air to pass through the radiator, while not slowing the car as much as your typical LeMons starship’s rig.
__________________ George Architect, Artist and Designer of Objects
2012 Infiniti G37X Coupe
1977 Porsche 911s Targa
1998 Chevy S-10 Pick-Up truck
1989 Scat II HP Hovercraft