Quote:
Originally Posted by aerohead
...With respect to the template, I'd like everyone to ignore the forebody and
contemplate the rear aspect of the car. This is where the low-drag challenge resides.
|
This little clip rom Craig Vetters site is telling...
http://www.craigvetter.com/Movies/Streamlined_test.mov
blunt end forward, taper aft is the way to go for low drag.
I'm not sure the narrator, Craig's brother, has got the forces right. He
speaks of air
pushing on the front of the car, when I think the real
issue is
air pulling on the back as
aerohead says.
I'm sure there are also unidentified interactions between the airflow
around the car and the tube due small clearances.
Although it is still technically "vaporware," Mitsubushi's all-electric iMiev
Sport Air concept car seems to be the best embodiment of these concepts:
Autoblog Green