View Single Post
Old 03-21-2008, 12:01 PM   #17 (permalink)
fabrio.
EcoModding Apprentice
 
fabrio.'s Avatar
 
Join Date: Feb 2008
Location: Italy, Morbegno (SO)
Posts: 151

tigra AERO - '96 opel tigra
Thanks: 9
Thanked 38 Times in 18 Posts
Quote:
Originally Posted by MetroMPG View Post
Daox, even without a smooth undertray, Hucho shows your nose diagram (post #5) as the best of 5 variants. Fig 4.31 in 4th edition.
unfortunately , I do not have this book, but that one you report, make to think me.

One of drag sources, it is, the consequence of acceleration of the air flow under the car.
The maximun acceleration airflow, is created from underbody roughness.

it is possible, that the text must be interpreted, and to know, which level of roughness Hucho referred.

sorry, I do not have all pics with me

__________________
.................................................. ...................

  Reply With Quote