Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Interesting Aerodynamic Cars (Mike Vetter's ETV, also Avion)

Sven7 · 10-11-2012, 02:28 PM

^^That's sweet.

Here's an example of flow detachment on the roof. Despite many ignorant threads asking again and again how to "fix" their roof forms, you can see here that it takes quite a lot to trip the airflow.

The blue one on top is stock (0.44Cd) and the orange camper is the (main) detached one (0.51Cd). Without even considering frontal area the camper shows much higher drag due to detached roof flow.

Look at that windshield to roof angle! And yet the stock one maintains attached airflow.

And a reason to remove that roof rack fairing.

10-11-2012, 02:28 PM	#449 (permalink)
Sven7 Master EcoModder Join Date: Aug 2011 Location: Warren, MI Posts: 2,456 Boo Radley - '65 Ford F100 90 day: 13.28 mpg (US) Thanks: 782 Thanked 669 Times in 411 Posts	^^That's sweet. Here's an example of flow detachment on the roof. Despite many ignorant threads asking again and again how to "fix" their roof forms, you can see here that it takes quite a lot to trip the airflow. The blue one on top is stock (0.44Cd) and the orange camper is the (main) detached one (0.51Cd). Without even considering frontal area the camper shows much higher drag due to detached roof flow. Look at that windshield to roof angle! And yet the stock one maintains attached airflow. And a reason to remove that roof rack fairing. __________________ He gave me a dollar. A blood-soaked dollar. I cannot get the spot out but it's okay; It still works in the store Last edited by Sven7; 10-11-2012 at 02:35 PM..