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Old 02-02-2012, 11:28 AM   #205 (permalink)
MetroMPG
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Location: 1000 Islands, Ontario, Canada
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Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 54.46 mpg (US)

Even Fancier Metro - '14 Mitsubishi Mirage top spec
90 day: 70.75 mpg (US)

Appliance car Mirage - '14 Mitsubishi Mirage ES (base)
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Quote:
Originally Posted by Sven7 View Post
Edit: If anybody knows, what kind of angle should I expect to get away with on the bottom side of the tail? It would save me some tufting time.
Data that Phil (aerohead) has quoted show very conservative angles for the upsweep at the end of a belly pan. In the order of a few degrees. EG: see http://ecomodder.com/forum/showthrea...-6-a-2670.html where 2.5 degrees is quoted.



I was able to get away with a 6.5 degree final angle of the bottom of my boat tail by curving it gently:

http://ecomodder.com/forum/showthrea...tml#post156960

But I tuft tested it (web cam + duct tape) - saw turbulent but attached flow underneath, right to the end. Tuft testing vids are in that thread too.
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