View Single Post
Old 08-18-2011, 06:25 PM   #5 (permalink)
aerohead
Master EcoModder
 
aerohead's Avatar
 
Join Date: Jan 2008
Location: Sanger,Texas,U.S.A.
Posts: 15,895
Thanks: 23,972
Thanked 7,223 Times in 4,650 Posts
1976

In 1976,Ford of Cologne,Germany released info on their 'Lamellar' grille which was passive,allowing full airflow at low velocities,the choking the flow down with internal stalling around the grille elements.They claimed a 12% drag reduction,which is the 'typical' drag of the entire cooling system.
  Reply With Quote