Thread: Roof Spoiler
View Single Post
Old 08-26-2020, 12:26 PM   #19 (permalink)
aerohead
Master EcoModder
 
aerohead's Avatar
 
Join Date: Jan 2008
Location: Sanger,Texas,U.S.A.
Posts: 16,268
Thanks: 24,393
Thanked 7,360 Times in 4,760 Posts
disrupt

Quote:
Originally Posted by Joggernot View Post
Excellent views with the hydrogen bubbles to show the effect. I'll attach my effort with the template. Seems clear that the roof spoiler would disrupt the template and create drag.
I've come to the same conclusion. The 'kicker' might create what Hucho refers to as 'overshoot,' actually aggravating the ability for the flow to reattach on the boot/ trunklid, losing the attached vortex, and increasing drag/ lift.
__________________
Photobucket album: http://s1271.photobucket.com/albums/jj622/aerohead2/
  Reply With Quote