[DeTomaso] Elephant ears

[Göran Malmberg]

Not me then. I was thinking the same thing, I newer seen such test here.
Goran

-----Ursprungligt meddelande-----
Från: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com]
För Tomas Gunnarsson
Skickat: den 18 juni 2009 08:57
Till: detomaso at realbig.com
Ämne: Re: [DeTomaso] Elephant ears

Jack,

That test was not included in our session. I don't know of any other
published Swedish flow testing.

Tomas

----- Original Message ----- 
From: <JDeRyke at aol.com>
To: <wdemelo at cogeco.ca>; <detomaso at realbig.com>
Sent: Thursday, June 18, 2009 12:21 AM
Subject: Re: [DeTomaso] Elephant ears


> In a message dated 6/17/09 11:17:03 AM, wdemelo at cogeco.ca writes:
> 
>> Who sells elephant ear scoops for the rear quarter windows? Are they
all 
>> the same or are some bigger than others? I'm looking for some that
don't 
>> stick out too far. And yes, I know that they need to stick out to get
the 
>> "ram air" effect, but I'm more concerned about the access to cool
air.
>> 
> There's more to it than that. The Swedes did flow tests a while ago
that 
> showed the flow is OUTWARD thru the side openings until rather high
speeds. 
> And thats a good thing 'cause no one that sells the ears tells you to
drill 
> and metal-screw the chrome window frames to the body. Mad Dog ran them
for 
> some time before he worked his way up to about 150 mph- and the whole
window 
> frame ripped out of the car at a Silver State event. He never did find
it... 
> So yes- if you get moving along smartly, they do scoop air. But at
reasonable 
> speeds, the rush of air from under the car outward thru the rear
window 
> opening will cause air to go out the scoops, not in, so any cooling
gain will 
> be iffy. As sealed units with hoses to a carb top, I'm not sure what
will 
> happen to the carb mixture. 
> Your choices are small 'side scoops', large 'elephant-ears' and smooth

> 'gridded covers' that include a gas flap ('73-up), all of fiberglas.
All the 
> vendors sell them. On street cars, all are purely decorative but if
the window 
> glass underneath is removed (and not all are!) the glass is 6 lbs off
the 
> car weight. Good luck- J DeRyke
> 
> 
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