View Single Post
Old 08-22-2024, 01:33 AM   #123 (permalink)
JSH
AKA - Jason
 
JSH's Avatar
 
Join Date: May 2009
Location: PDX
Posts: 3,600

Adventure Seeker - '04 Chevy Astro - Campervan
90 day: 17.3 mpg (US)
Thanks: 325
Thanked 2,147 Times in 1,454 Posts
Quote:
Originally Posted by JohnForde View Post
Cuff & doors all at 11 degrees. Total length 84" (10" Cuff, 8" step bumper, 48" wood doors & 18" polycarbonate twin wall extension)
The top at 16 degrees is too steep.

Your vortex generators may be hurting instead of helping. They do help some if done right on a bare trailer but I don't know of any industry testing that combined vortex generators with a trailer tail. If they helped I would expect we would see them sold as part of a trailer tail kit.

Here is a paper on the topic:
https://scholars.csus.edu/esploro/ou...57830972201671
  Reply With Quote
The Following 3 Users Say Thank You to JSH For This Useful Post:
aerohead (08-22-2024), JohnForde (08-22-2024), Piwoslaw (08-22-2024)