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-   -   Acceleration Times, who's up for it? (https://forum.a8parts.co.uk/showthread.php?t=10164)

snapdragon 19th June 2015 07:37 AM

Quote:

Originally Posted by Delboy (Post 95528)
I can't do it as VCDS has no label files for the s8 engine

Have you tried sending MAP files to RossTech? Apologies if you already know about that.
http://wiki.ross-tech.com/wiki/index...ol_Module_Maps

Delboy 19th June 2015 08:09 AM

Quote:

Originally Posted by snapdragon (Post 95533)
Have you tried sending MAP files to RossTech? Apologies if you already know about that.
http://wiki.ross-tech.com/wiki/index...ol_Module_Maps

I have sent mine in a few times and even chatted by email with someone there, but it was a dead end.

I don't think there is enough d3 demand for them to invest the time these days.

If I had vas 5054 then I could probably get the info from that and write my own label files.

Witchfinder 19th June 2015 08:35 AM

Was that with the gearbox in "S"? What brand and grade of fuel?

mattylondon 19th June 2015 08:38 AM

Quote:

Originally Posted by Delboy (Post 95528)
I tried to import the data from the log but it puts empty rows between data and I can't think of a way to clean it up without doing it manually.

So I gave up :(

Can you repost the raw data and I'll take a look +++

Delboy 19th June 2015 09:31 AM

1 Attachment(s)
Here you go Matt

mattylondon 19th June 2015 10:25 AM

1 Attachment(s)
Cheers +++

Quickly made a simple line graph. It's a bit jaggy as VCDS logs the speed with whole numbers.

First observation looks like gear changes at 2 and 5 seconds. +++

http://forum.a8parts.co.uk/attachmen...chmentid=11115

Delboy 19th June 2015 10:42 AM

Nice I did notice duplicate speed data in the column, that would explain the stepped nature to the graph, and yes your correct it does indeed go for another gear and shift into third just as it approaches 60.

Delboy 19th June 2015 10:44 AM

Quote:

Originally Posted by Witchfinder (Post 95540)
Was that with the gearbox in "S"? What brand and grade of fuel?

Yes the runs were done in s mode, Fuel is Shell V Power

mattylondon 19th June 2015 10:57 AM

I've additionally calculated average G-force per gear for the first run.

1st - 0 to 28mph in 1.97s = 0.65g
2nd - 28 to 55.9mph in 3.23s = 0.39g
3rd - 55.9 to 62.1mph in 1s = 0.28g

+++

Delboy 19th June 2015 11:16 AM

Quote:

Originally Posted by mattylondon (Post 95553)
I've additionally calculated average G-force per gear for the first run.

1st - 0 to 28mph in 1.97s = 0.65g
2nd - 28 to 55.9mph in 3.23s = 0.39g
3rd - 55.9 to 62.1mph in 1s = 0.28g

+++

You Sir are far too intelligent to be designing houses, should be designing stuff for cars instead :D


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