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Originally Posted by qwikz28
Interesting. Just looked up quickly about CDA. I always wondered how new cars with their large front ends can have such low CD. It makes sense now.
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yes CD just determines how the airflow interacts with the car, and the surface area determines how much air it moves. A motorcycle can have a bad CD of like .7 or 8, but very small frontal area so they are still pretty slippery.