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Re: Run Data Question - Engine RPM [Re: HR3128] #2522418
07/16/18 07:54 AM
07/16/18 07:54 AM
Joined: Jan 2003
Posts: 3,575
The Netherlands
BigBlockMopar Offline
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BigBlockMopar  Offline
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Joined: Jan 2003
Posts: 3,575
The Netherlands
You can always Right-Click on every image on Moparts and let it show in its full resolution.
The Moparts forumsoftware downscales any images that are larger than a certain size.

Here is the full size link of the image;
https://board.moparts.org/ubbthreads/ubbthreads.php/ubb/download/Number/330588/filename/Run3.JPG

Re: Run Data Question - Engine RPM [Re: AndyF] #2522419
07/16/18 07:57 AM
07/16/18 07:57 AM
Joined: Jun 2006
Posts: 430
Michigan
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HR3128 Offline OP
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Michigan
Originally Posted By AndyF
I'm interested in what the little dip in the driveshaft speed is from. If the tires are spinning it seems like driveshaft speed would go up but about 1/2 second after you launch the driveshaft speed have a dip in it.

What are the other lines on the display? There is one that is steady across the top and one that goes up at launch and then goes down the rest of the time.


I think the dip shows the tires were spinning a little & then hooked. Track was not the best & it was hot & sunny.
The line at the top is battery voltage. The one that goes up at launch & then down is G-meter.

Re: Run Data Question - Engine RPM [Re: Cab_Burge] #2522421
07/16/18 08:06 AM
07/16/18 08:06 AM
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Posts: 430
Michigan
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Originally Posted By Cab_Burge
It looks like you have some tire spin between 1 second and two seconds on your chart, did you feel it? work
Does your car do a wheelie leaving the starting line? work


I did not feel it on that run. I did feel some spin on earlier runs. It just lifts the front tires a few inches at launch. Not a big wheelie.

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