acceleration measure (was Re: G-Tech meter )

[Dan]

Sounds interesting but you are still going to need an accelerometer or
torque measurement from the drivetrain.  Otherwise, your product will
only be accurate on level ground.  Around where I live, it is pretty
hard to find level roads where you can test the car.

Dan

Arnaldo Echevarria wrote:
> 
> At 08:53 AM 5/2/97 -0500, you wrote:
> >...
> >However, my idea was to take a signal from the tach or the
> >speedo and differentiate it (feed it through a cap).  The
> >resultant signal would be accel/decel and wouldn't care
> >which direction you were pointed.  One difference with the
> >'real' acceleration devices is that wheel spin would register
> >as _severe_ acceleration when none was occuring.
> >....
> 
> I'm working on a product that would attach a hall effect sensor
> to the right front spindle of your vehicle and read the grooves
> in the rotor.  Interpreting that information would give you
> VERY accurate 1/4 times / acceleration times / hp.
> 
> The only time it would be innacurate would be if the front right
> tire came off the ground.  But if you're producing that much
> hp you don't need to be testing your car on the street.....
> 
> Anyone interested?
> 
> Arnaldo
> aec at netten.net