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freebeard · 09-19-2013, 04:49 AM

http://ecomodder.com/forum/showthrea...tml#post384969

Did you look at this post? When he added a rooftop camper to his New Beetle, his mileage dropped from 48 to 38mpg; so he moved it to behind the backlight and the milege went up to 49.3mpg. And that was an unoptimized canvas bag of stuff.

I think it has to do with the top surface catching and reattaching the vortexes that like to form.

09-19-2013, 04:49 AM	#12 (permalink)
freebeard Master EcoModder Join Date: Aug 2012 Location: northwest of normal Posts: 29,010 Thanks: 8,234 Thanked 9,003 Times in 7,437 Posts	http://ecomodder.com/forum/showthrea...tml#post384969 Did you look at this post? When he added a rooftop camper to his New Beetle, his mileage dropped from 48 to 38mpg; so he moved it to behind the backlight and the milege went up to 49.3mpg. And that was an unoptimized canvas bag of stuff. I think it has to do with the top surface catching and reattaching the vortexes that like to form.