View Single Post
Old 03-11-2019, 04:40 PM   #6 (permalink)
Vman455
Moderator
 
Vman455's Avatar
 
Join Date: Feb 2012
Location: Urbana, IL
Posts: 1,936

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 1,801 Times in 938 Posts
Quote:
Originally Posted by elhigh View Post
Power required to overcome aerodynamic drag goes up with the cube of the velocity, so going twice as fast takes eight times as much power. Slowing down even a little can yield big savings, especially with a vehicle as aerodynamically noisy as a pickup.
FTFY. The drag force itself varies with the square of velocity.
__________________
UIUC Aerospace Engineering
www.amateuraerodynamics.com
  Reply With Quote