On Fri, 14 Mar 2008 12:06:23 -0700, XS11E wrote:
> Any opinions on this: http://store.miataparts.org/mibealunpa19.html
>
> I have the original plastic/cardboard/regurgitated-compressed-yakfat
> thingy which is pretty well shredded.
>
> I'm sure I can find better uses for $200 such as a couple of gallons of
> gasoline but......
Hum. Seems to be the exact opposite of the idea of spoilers. Spoilers
provide a massive obstruction to apparently achieve the same objectives.
I got "Aerodynamics of road vehicles" from SAE with the idea to look at
the underlying ideas of these things, but never got around to actually
look in it. I guess it is at work if I did not "lend" it to a student,
so I cannot ballpark it right now.
The idea that you are going to draw large volumes of hot air through
those slits with whatever minor pressure reduction you get seems just
weird to me, anyway.
And in my experience, that plastic Mazda cover is pretty tough.
What I would like to see is not "track tested and developed" but
"tested and found effective". Preferably with some hard numbers
to show *how* effective. :)
Leon
--
Leon :) Bess :) Bozo .)
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