Comment by ceejayoz

1 day ago

https://en.wikipedia.org/wiki/Downforce

Yes, and at high speed, it helps make sure you don't take flight accidentally.

When you don't have enough:

https://www.youtube.com/watch?v=e21ZjwZGjiQ

Tesla are calling this downforce but downforce is defined as downward force generated by the aerodynamic features of a car, which does not describe their system. Presumedly their “suction” system will also create drag.

  • Meh. The fan (which has a number of aerodynamic features within it) exhaust exerts a downward force on the car, for the same purpose.