View Single Post
Old 04-14-2022, 08:45 AM   #9 (permalink)
Vman455
Moderator
 
Vman455's Avatar
 
Join Date: Feb 2012
Location: Urbana, IL
Posts: 1,937

Pope Pious the Prius - '13 Toyota Prius Two
Team Toyota
SUV
90 day: 51.62 mpg (US)

Tycho the Truck - '91 Toyota Pickup DLX 4WD
90 day: 22.22 mpg (US)
Thanks: 199
Thanked 1,802 Times in 939 Posts
Quote:
Originally Posted by Whitworth View Post
Hello Vman455,
Did you consider trying to block just the above bumper hole. Then the below bumper hole?
It might give you an idea of the stagnation area?
Hmm...I'm not sure what you mean by "bumper hole"?

Quote:
Originally Posted by Whitworth View Post
I am surprised that just taking off the mirrors gave a two percent indicated gain.
Did you try with the mirrors folded?
I didn't bother testing drag with mirrors folded after tufting the window and seeing that the flow didn't really change with the mirrors folded. (It cleaned up significantly with the mirrors removed). Anything smaller than 2% isn't really measurable with the throttle-stop technique.

Open:


Closed:


Removed:
__________________
UIUC Aerospace Engineering
www.amateuraerodynamics.com
  Reply With Quote
The Following 3 Users Say Thank You to Vman455 For This Useful Post:
BamZipPow (09-16-2022), Drifter (04-15-2022), Joggernot (04-16-2022)