Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Project: Geo Metro boat tail prototype

Nerys · 12-06-2009, 10:49 PM

WOW. ok I think I am going to have to build one of these I am truly shocked it was THAT BIG and that big EVEN WITH the already in place Kamback improvements.

If your up for it (I KNOW its a ton of work) unless you already have the data?? ie what kind of improvement would JUST the tail make over a stock car? no belly no wheel skirts etc.. anyway to calculate that?

truly wow. Time to go find some coroplast!

I also wonder if I can test angles WITHOUT driving. IE big massive fan into a difuser array to straighten the airflow (think wright brothers wind tunnel)

I could aim the fan in the direction I want to test put a panel with tufts in place and adjust to see the changes in real time in the drive way.

do you think this would work?

12-06-2009, 10:49 PM	#259 (permalink)
Nerys Grrr :-) Join Date: May 2008 Location: Levittown PA Posts: 800 Cherokee - '88 Jeep Cherokee 90 day: 19.44 mpg (US) Ryo-Ohki - '94 Geo Metro Xfi 90 day: 50.15 mpg (US) Vger 2 - '00 Plymouth Grand Voyager SE Ninja - '89 Geo Tracker 90 day: 30.27 mpg (US) Thanks: 12 Thanked 31 Times in 25 Posts	WOW. ok I think I am going to have to build one of these I am truly shocked it was THAT BIG and that big EVEN WITH the already in place Kamback improvements. If your up for it (I KNOW its a ton of work) unless you already have the data?? ie what kind of improvement would JUST the tail make over a stock car? no belly no wheel skirts etc.. anyway to calculate that? truly wow. Time to go find some coroplast! I also wonder if I can test angles WITHOUT driving. IE big massive fan into a difuser array to straighten the airflow (think wright brothers wind tunnel) I could aim the fan in the direction I want to test put a panel with tufts in place and adjust to see the changes in real time in the drive way. do you think this would work? Last edited by Nerys; 12-06-2009 at 10:57 PM..