so I'm guessing no one here would have any idea as to the coefficient of
drag on a 120Y? :)
-----Original Message-----
From: Luke Clough <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Monday, 19 June 2000 2:25
Subject: Re: confused once again
It's derived through wind tunnel testing where air velocity and drag force
on
the car can be measured.
Simplified formula
Drag Force = coefficient of drag multiplied by air velocity to the power of
2
D = C * V^2
This doesn't take into account laminar vs turbulent airflow. Or the fact
that
the 2 is approximate and actually increases as the velocity increases. I
haven't included air density or viscosity either. Simple fact about the only
way to get the coefficient of drag is air tunnel testing, although a lot of
modern cars have their coefficient of drag published these days as a selling
point indicating how relatively efficient on fuel the car should be.
Luke Clough
Ignacio Sandejas wrote:
> Basically a measurement that relates to how aerodynamic an object is.
> Don't know how its derived though.
>
> -----Original Message-----
> From: David Costello [mailto:[EMAIL PROTECTED]]
> Sent: Monday, June 19, 2000 12:30
> To: Online Datsun Club
> Subject: confused once again
>
>
> this isn't a datsun specific question but can anyone tell me what
> "Coefficient of Drag" means??
>
> I've used desktop dyno to build a virtual version of my engine I'm about
to
> put into my 120Y and then I've imported that information into a 1/4 mile
> simulator to see how much difference there is gunna be between the new one
> and the original
> I've got all the info in and finished except for coefficient of drag
> I have no idea what it means
>
> thanks in advance
> Dave
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