Quote:
...these changes if done will only add about 10 to 30%.
[snip]
VERY Few are willing to do the areo body changes.
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So your saying V[ery] few people will accept 10 to 30% improvement? And are you saying 10 to 30% in Cd or MPG? There is a rule of thumb inbetween.
The balance between thrust (applied to the contact patch of the rear tire) and drag determines your forward progress (velocity or acceleration).
A site search for "NASA van" returns 196 results.
https://ecomodder.com/imgs/knox/nasa-van-z.jpg
If you go back to
Permalink #54, your van is closer to the orange and white poptop than the bubbletop.
How would you feel about a sun visor, peep mirrors and fender skirts?