That's exactly correct. You need WEIGHT to measure HP which in turn is (or
can) be used to measure acceleration.
I tried the G-Tech with no weight and got some ridiculous reading.
- Bernd
At 12:38 PM 02/15/2000 -0500, you wrote:
>Well I know thats not true though. On my Gtech the only reason you enter
>the weight is for HP measurement. The Gtech uses an accelerometer, not to
>different from the ones used for your air bag, anyway, the accelerometer
>measures your acceleration over a period of time, there for it can easily
>calculate the speed and the distance with respect to time and give you 1/4
>times and trap speed, as well as 0-60 times, and 60 - 0 times with out
>weight....
>
>Clay
>
>84 Dodge Ram, scrappin pavement w/ 440 8bbl
>96 Indy Ram, scrappin EVERYTHING w/ 360 Magnum!' -(www.indyram.org)
>69 Road Runner 440 6bbl, project car
>
>http://expert.cc.purdue.edu/~cooke
>
>On Tue, 15 Feb 2000, Bernd D. Ratsch wrote:
>
> >
> > Funny...the instructions require that you input the weight first before
> > running any of the tests. You can't figure out HP or E.T without the
> > weight in the formula:
> >
> > E.T. Method: hp = weight / (ET / 5.825)3
> >
> > Trap Speed Method: hp = weight * (speed / 234)3
> >
> > Without weight, it's impossible.
> >
> > - Bernd
> >
> > At 11:19 AM 02/12/2000 -0800, you wrote:
> > >Bernd,
> > > no weight needed for acceleration on a gtech, only the HP
> > > calculation.
> > >
> > >Chris
> > >
> > > >Uhhhh...definitely looks like someone has the G-Tech set at the wrong
> > > >weight. That's impossible for a stock Dak (any engine size) to be
> running
> > > >13.4's. Also, according to several dyno shops, engine builders, and
> > > >personal experiences...the driveline loss (on the average) is:
> Manual = 20%
> > > >/ Automatic = 23%-25%.
> > > >- - Bernd
> >
> >
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