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Old 05-26-2012, 05:42 PM   #326
ppayer38
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Quote:
Originally Posted by Black94Snake

are your tires a different size? Are the wheels lighter? Was the second test run under the same environmental conditions as the first? Did you set the ambient temp and tire size correctly for the graphing?
Yes the tires are different...

Runs where back to back under the same day...

All settings where correct.

Weirdest thing I've seen, and I out my stock set back on and the graph went back to the same as before haha
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Old 05-27-2012, 06:07 AM   #327
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Quote:
Originally Posted by Evo_Kid View Post
There an option for metric in Virtual dynos options
Yes, but it doesn't change the metric notation for the original .csv file.

i.e. metric uses , instead of . and ; instead of ,

Hence when I try to open a metric .csv file (in excel) now that the regional settings are set to English (American) it gets all jumbled, and make no sense.

standard .csvs open right up, and vice versa.
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Old 05-27-2012, 01:34 PM   #328
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yes this metric notation in csv is retarded since its a COMMA seperated values file. Metric values dont adhere to COMMAS seperating values.

I havent fixed this yet and its a pain in the rear to fix really. Ill see if I can find a way to detect this because some regions use part of the metric notation and not all of it and that throws a monkey wrench in the mix.

Kinda dealing with exwife issues at the moment and trying to find time to develop on this Stupid exwife.
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Old 05-27-2012, 01:47 PM   #329
V8 GTFO Lesbic WGN
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sorry about your issues, your software though makes lives of us more enjoyable and help us divert our issues concentrating on car projects instead.
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Old 07-17-2012, 02:37 AM   #330
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hahaha ... for some reason I just read this. That cracked me up.

I just realized that Ill be going to the big Evo meet here in Kansas City in a couple of months and I dont have a nice shirt to wear. Anyone got any suggestions? Ive often wondered why I dont have a Cobb tshirt
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Old 07-17-2012, 08:28 AM   #331
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Make Virtual Dyno shirts!
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Old 07-17-2012, 08:53 AM   #332
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Quote:
Originally Posted by xluben View Post
Make Virtual Dyno shirts!
I would if I could find someone to make them pretty reasonable.
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Old 07-17-2012, 09:14 AM   #333
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Quote:
Originally Posted by bbarnhill

I would if I could find someone to make them pretty reasonable.
Come up with a logo and I've got a friend who does it... I'll get you a price if you get me a logo in Jpeg or EPS format
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Old 07-18-2012, 08:56 AM   #334
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send me a PM with your email and I can email you a logo.
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Old 08-01-2012, 08:19 PM   #335
V8 GTFO Lesbic WGN
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Hey Brad, love your program, it would be cool to be able to average back to back runs. I have 6 logs same day taken within minutes of each other and would like to average'em out.

Last edited by V8 GTFO Lesbic WGN; 08-01-2012 at 08:38 PM.
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Old 08-01-2012, 08:48 PM   #336
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Quote:
Originally Posted by V8 GTFO Lesbic WGN
Hey Brad, love your program, it would be cool to be able to average back to back runs. I have 6 logs same day taken within minutes of each other and would like to average'em out.
Interested in this. Average them out in excel? Wait... Will that work? Will averaging even work? some of these formulas and stuff might not be best to average them....
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Old 08-02-2012, 12:06 AM   #337
V8 GTFO Lesbic WGN
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I am talking about a feature on VD to curve fit several runs to produce a single curve.
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Old 08-02-2012, 11:21 PM   #338
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does anyone know a good way to do this? Its a little more complex math than just shoving the runs data together and using that to graph with. I dont think that will work as the differences between points matters and that would screw that balance up pretty good.
Also the same time wouldnt have the same rpm on both runs so they wouldnt fit together good. There has to be some good curve fitting algorithms out there.
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Old 08-03-2012, 10:02 AM   #339
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Airboy's works well?
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Old 08-04-2012, 10:13 AM   #340
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I'm trying to save custom gear ratios for my gearset, but they seem to get overwritten whenever I start VD. Any ideas? I'm saving them to the "02-05 wrx sedan".
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Old 08-04-2012, 12:19 PM   #341
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Here are my results using Virtual Dyno vs. the actual Dynojet at MAPerformance. I have two different setups that I've had dyno'd at MAP. The first was with the stock VF52 (on E85) and the second one was the 20G XTR (on E85). Here is more info on the 20G XTR setup if anyone is interested.

http://forums.nasioc.com/forums/show....php?t=2338819

2011 WRX - VF52 - E85:
Dynojet (MAPerformance): 339WHP
Virtual Dyno (Dynojet): 338WHP

2011 WRX - 20GXTR - E85:
Dynojet (MAPerformance): 462WHP
Virtual Dyno (Dynojet): 463WHP





The peak horsepower results are VERY close! The peak torque is different by about 5%, but the overall curves (both power and torque) look very similar. The main issues I see with people posting Virtual Dyno results are the following:
  • Fast Polling turned on when logging
  • Road is not flat
  • Data is not entered correctly (weight, tire size, etc.)
  • Improper smoothing
  • Improper trimming
As long as you give Virtual Dyno good data, it will produce good results. While dyno numbers don't mean much, I've found it to be very useful to track the changes I've made to my car. I find that it's definitely more useful than the old "butt dyno".
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Old 08-05-2012, 02:42 PM   #342
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1.1.9 has been released ... Enjoy!!!
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Old 08-05-2012, 08:18 PM   #343
V8 GTFO Lesbic WGN
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Quote:
Originally Posted by V8 GTFO Lesbic WGN View Post
I am talking about a feature on VD to curve fit several runs to produce a single curve.
Here is what I am talking about, be nice to be able to curve fit a bunch of runs, these were taken within the same hour, same road and temperature.


Last edited by V8 GTFO Lesbic WGN; 08-05-2012 at 08:24 PM.
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Old 08-06-2012, 12:34 AM   #344
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Can someone please check if the new version fixed the power difference between fast polling and non fast polling?

I may have, but then again, it may have not.
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Old 08-06-2012, 01:10 AM   #345
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fast polling is broken in RR not in VD.
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Old 08-06-2012, 11:14 AM   #346
V8 GTFO Lesbic WGN
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Since TQ is more important than HP, is there a way to remove HP from the chart?

Or change the TQ line style to solid and HP to dotted. As you can see in the chart post #343 @5,250 rpm there is a lot going on and would like to remove HP to improve legibility.

I understand the calculation of averaging curves would be a daunting task.

Last edited by V8 GTFO Lesbic WGN; 08-06-2012 at 11:23 AM.
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Old 08-06-2012, 07:09 PM   #347
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hum ... so is this something that should be for all runs (ex. turn off all HP and turn off all TQ, or per run) Per run would require more clicking but it adds more granularity. So give me some feedback on which one is better.
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Old 08-06-2012, 07:37 PM   #348
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Agree with the "turn off HP" option. In the name of simplicity I'd just make it a single check box that applies to all runs but either way works. It would just be good to have the option to declutter when tuning for best torque.
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Old 08-06-2012, 10:18 PM   #349
V8 GTFO Lesbic WGN
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^+1

Brad, as far as Turn off HP/TQ for ALL or EACH run I'll leave it up to you, whichever requires less coding.

Other suggestions:

Add Chart Title field.
Add ability to draw lines, circles, comments on the chart body.

Last edited by V8 GTFO Lesbic WGN; 08-07-2012 at 12:33 AM.
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Old 08-07-2012, 08:40 AM   #350
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As long as we're throwing out suggestions...

I think chart title would be a very good one. I would also like to be able to set the X and Y axis scale manually. Then you can have two different plots that are on the same scale, even if the HP/TQ and/or RPM aren't in the same range.

Another nit picky one would be able to choose the size and/or aspect ratio that the charts saves as. Having it basically just take a screenshot works OK, but it ends up with some people having square charts vs. some that are long and thin, etc. I think having a visually consistent (default) output would be a good thing (but you could leave the option to change the resolution or aspect ratio).
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