Quote:
Originally Posted by basjoos
I thought the lowest Cd for a ground vehicle was 0.11, which is what they claim is the Cd for the Aptera.
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Ground effect is the key part. The Aptera isn't exactly your average ground vehicule. The 0.15 reference is for a basic bluff body with wheels at regular car height. The higher from the ground you go, the lower the Cd will be for a given shape.