Acceleration / GTech

[CSH-HQ]

To me they are in car tuning devices, period.
I just would rather put the time into tuning, then worrying about how the 
numbers look like.
Mount if off center, and the crown of the road might matter.
How repeatable arre the results your getting?.
Grumpy


At 08:51 PM 10/28/99 -0400, gmecm at efi332.eng.ohio-state.edu wrote:
>What's been your (anybody's) experience w/ GTech as far as accuracy
>compared to timed 1/4 mi runs?  Mine turned out to be reading high (fast)
>by 0.6 in the 1/4.  First time I ran @ the track, I was a bit disappointed;
>13.8sec vs 13.2sec...(:{E
>
>My thoughts on correction - no response to email from the folks @ GTech, BTW.
>
>Would it work to compensate for 'fast' times by offsetting the centerline
>of the GTech from the centerline of the car (offset it on the yaw axis
>only)?  These things read acceleration in one plane only, so it would seen
>that offsetting from the midline would decrease the acceleration the GTech
>sees.  The Gtech reads fast by 96% of actual time; SIN of 75° is 0.96 -
>would offsetting the midlines by 15° correct for the error?  Here
>(Michigan) the tracks are closed, so can't check it till next year.
>
>What do you think?
>
>Thanks - Barry - Sy#26
>