Fw: hood scoops, vents and drag

[ralexander03@snet.net (Rick Alexander)]

Oops, I meant to "reply all"

Rick

----- Original Message -----
From: "Rick Alexander" <ralexander03@snet.net>
To: "T Berk" <tberk@mindspring.com>; "calimus" <calimus@techography.net>
Cc: "Scirocco-l" <scirocco-l@scirocco.org>
Sent: Sunday, September 22, 2002 9:23 PM
Subject: Re: hood scoops, vents and drag


> As long as we are on the subject of air flow.
>
> I want to take air in the relatively high pressure area under the front of
> the car and exhaust it out of the hood in the relatively low pressure air.
> This is for one of the options I'm considering for the intercooler on the
> G60 project. So what would be the ultimate shape on the hood to help
> evacuate air? All options are open as I'm still thinking this out. It
could
> be a reverse scoop, louvers or something entirely different. I'm asking
for
> some expert (or at least experienced) thinking on this.
>
> Rick Alexander
> http://www.brubakerbox.com
> http://clubs.hemmings.com/hams/
> http://clubs.hemmings.com/vwsrus/
> ----- Original Message -----
> From: "T Berk" <tberk@mindspring.com>
> To: "calimus" <calimus@techography.net>
> Cc: "Scirocco-l" <scirocco-l@scirocco.org>
> Sent: Sunday, September 22, 2002 1:45 PM
> Subject: Re: hood scoops, vents and drag
>
>
> > calimus wrote:
> > >
> > > I've been seeing some rocco's w/hood scoops like adrian's recent pics
> and I
> > > was starting to seriously consider adding one and have it blow air
down
> the
> > > back side of the engine to kinda cool the exhaust area.  But then I
got
> to
> > > thinking, at almost any speed it adds drag but at higher speeds,
> wouldent it
> > > create so much air flow that it could actually be pushing the front
end
> up a
> > > bit.  I don't ment some drastig ammount, but wouldn't it be enough to
> not
> > > want it?
> > <snip>
> > >
> > > William
> > >
> >
> > Besides what Adrian mentions you should consider FLOW vs air pushed
> > under the car. More flow under the car makes for good things. (God, I
> > can't make a cohesive thought this morning, fluid dynamic folks help me
> > out here).
> >
> >
> > TBerk
> >
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> >
>