Because the fin is an airfoil, it has it's own center of pressure and so
yes, it contributes and moves the overall Cp backwards, unless of course the
fin is up front.
mayf
----- Original Message -----
From: "J I Waldron" <jwaldron47@earthlink.net>
To: <land-speed@autox.team.net>
Sent: Friday, April 22, 2005 4:46 AM
Subject: RE: Center of pressure?
> Would a fin actually move the CP when the car was running
> straight? Or do they only change the CP should the car get
> a little sideways? (Which, of course, is the point)
>
> Thanks,
> Jim W.
>
> Snip>
> >
> >Date: Thu, 21 Apr 2005 16:17:17 -0500
> >From: "Albaugh, Neil" <albaugh_neil@ti.com>
> >Subject: RE: Center of pressure?
> >
> >Tom;
> >
> >As an example of moving the CP rearward to enhance high-speed stability,
> >take a look at Rex Svoboda's beautiful blue McLaren modified sports. The
> >additional rear fins move the CP further to the rear, particularly
> >important with a mid- engine configuration since its CM is so far aft.
> >Rex reported that his car was quite stable at 200, even running "wide
> >tires."
> >
> >Regards, Neil Tucson, AZ
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