Logger Road Dyno Car Definitions

Sasha_A80 · **Posted:** Sun Feb 19, 2012 5:14 pm

How come that front areas are equal for all models ???
It could not be true for Forester and Impreza.

Jochen_145 · **Joined:** Wed Nov 10, 2010 11:56 am **Posts:** 418

of cause not, that´s why I worte:

Quote:

I cannot find how to calculate the frontalarea, witch should be differned between Forester and Impreza

So, do you know how and explane, and I will calculate the correct value

Sasha_A80 · **Posted:** Sun Feb 19, 2012 6:10 pm

You are at least to have frontal view dimensions.
I am afraid that Forester has about +20% frontal area due to the height against Impreza.

Jochen_145 · **Joined:** Wed Nov 10, 2010 11:56 am **Posts:** 418

Impreza MY2011 (simular to MY09..11):

1740mm width
1450mm high

Forester MY2012 (simular to MY09 ..11):

1780mm width
1700mm high

don´t know, how to get 22 for the impreza of that...

Sasha_A80 · **Posted:** Sun Feb 19, 2012 6:55 pm

Something like this is applicable

FrontalArea(feet2) = width(mm) * (height(mm) - clearance(mm))/(305*305 mm2/feet2)

Jochen_145 · **Joined:** Wed Nov 10, 2010 11:56 am **Posts:** 418

ok, then for impreza diesel we got:

1740mm * (1450-150)mm / (305*305mm2/feet2)= 24,31 feet2

and Forester:

1780mm * (1700-215)mm / (305*305mm2/feet2) = 28,41 feet2

I`ll change the post

Ferraz · **Joined:** Tue Jun 16, 2009 4:16 pm **Posts:** 80

I have some info on teh SADM WRXs..

From 2003 to 2005
3rd gear ratio: 1.366
Final Drive: 3.90
Wheel/tire: 17x7 on 215/45/17

2006 and 2007
3rd gear ratio: 1.366
Final Drive: 4.111
Wheel/tire: 17x7 on 215/45/17

Will get the 209+ WRXs and the new Legacy GTs soon!

Thanks

Ferraz · **Joined:** Tue Jun 16, 2009 4:16 pm **Posts:** 80

2011 SADM WRX:

3ª: 1,296:1
Relação final: 4,444:1
Wheels/tire: 17x8 on 235/45/17

champ_6 · **Joined:** Thu Jun 26, 2008 9:38 pm **Posts:** 2

I'm having trouble with the Cars def file in romraider v0.5.6 RC 2

error: "Missing cars_def.xml file from the installation or profiles or definitions directory. Dyno feature will not be available until this file is present"

I have cars_def.xml in the following locations and still no luck

C:\Program Files (x86)\RomRaider\ - Installation directory
%userprofile%\.RomRaider\ - Userprofile settings location
%userprofile%\Google Drive\Documents\Tuning\RomRaider\v0.8.3.1b\ - Location of ecu and logger defs

Not quite sure what exactly is going on. Any help would be appreciated.

dschultz · **Posted:** Mon Nov 12, 2012 2:46 pm

Did you put both files in your directory, the .xml & .dtd?
Both need to be in one of those locations, preferably where your logger defs are stored.

champ_6 · **Joined:** Thu Jun 26, 2008 9:38 pm **Posts:** 2

dschultz wrote:

Did you put both files in your directory, the .xml & .dtd?
Both need to be in one of those locations, preferably where your logger defs are stored.

Well I had the .dtd and .xml file in the userprofile and had originally renamed the cars_def.dtd in the installation directory planning to replace it with the new one. Apparently I forgot to copy the .dtd to the installation directory after renaming the old one. Could have sworn I did that. Well sorry about that. Thanks for the help.

dan0 · **Joined:** Thu Jan 03, 2013 2:11 am **Posts:** 12

I looked through the cars_def.xml and ecu_defs.xml, but my car isn't listed on there. Does anyone have an updated cars_def.xml and ecu_defs.xml which includes 12 and 13 models like 2013 Subaru Impreza WRX Premium?

dschultz · **Posted:** Thu Jan 10, 2013 4:10 am

The cars.def will not have any info. You should look in the experimental section.

dan0 · **Joined:** Thu Jan 03, 2013 2:11 am **Posts:** 12

dschultz wrote:

The cars.def will not have any info. You should look in the experimental section.

Yeah, I've been all up and down the forum and the internet, I already have most of the info except for three fields
<rollcoeff>xxx</rollcoeff>
<frontalarea>xxx</frontalarea>
<dragcoeff>0.31</dragcoeff> - This one I found the value for a 2012 model so it's not 100% for sure

any help is appreciated

dschultz · **Posted:** Thu Jan 10, 2013 4:37 am

I wouldn't be overly concerned about them. If you set them reasonable and never change them, then all dyno runs will use the same reference and comparison between runs is possible for tuning purposes.

RomRaider

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