Ughhh, tilt. That method may work for a model rocket but it does not account
for the upper surfaces of the car nor those under the car nor the accounting
for spoilers.
mayf,out in Pahrump.
----- Original Message -----
From: "Jim Dincau" <jdincau@qnet.com>
To: "Keith Turk" <kturk@ala.net>
Cc: <land-speed@autox.team.net>
Sent: Thursday, April 21, 2005 2:46 PM
Subject: Re: Center of pressure?
> Keith,
> Here is what an aero engineer at Lockheed told me.
> What you want to know is the lateral center of pressure (as in Yaw).
> Take a picture of the car from the side with a telephoto from enough
> distance and a low enough angle to give you a good profile. Enlarge
> it to a convinient size. Paste it to thin cardboard and cut out the
> outline of the car. Ballance the cutout on a razor blade (blade paralell
> to a fuselage station plane). This will give you the approximate lateral
> center of pressure. This is as close as you can get without some
> serious wind tunnel or CFD time.
> Jim in Palmdale
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