View Single Post
Old 06-12-2013, 04:20 PM   #8 (permalink)
euromodder
Master EcoModder
 
euromodder's Avatar
 
Join Date: Jul 2010
Location: Belgium
Posts: 4,657

GasDwarf - '13 Volkswagen up! EcoFuel CNG
Thanks: 175
Thanked 631 Times in 499 Posts
Quote:
Originally Posted by Xist View Post
Apparently, the wind tunnel was not long enough for a semi and trailer, so they used a 1/4-scale model.
Couldn't they have used a real semi with a short trailer?
No.
Length is an important factor, so changing it would require corrections - and those would first need to be calculated as well.
The corrections required when using models in windtunnels are well known, OTOH.
__________________
GasDwarf's fuel consumption :
  Reply With Quote