F1 2016 vs 2017: mathematical/statistical comparison

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mattia.bobbo
mattia.bobbo
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Joined: 06 Feb 2015, 09:36

Re: F1 2016 vs 2017: mathematical/statistical comparison

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whatthefat wrote:
Mr.G wrote:
whatthefat wrote:
Aha, thank you! So then it does sound like some slight degradation occurring across the stint.

He started the stint with a 1:21.1 and 1:21.4 (reported at 12:42 and 12:43) then 1:21.6 (reported at 12:44), then went into low 1:22s (reported at 12:47) and apparently was consistently doing 1:22.3s (last 6 laps within a couple of tenths reported at 12:52). Don't know what happened after that, but it was later reported as a stint with "14 flying laps" at 13:12.

So, piecing that together, I think the stint looked something like this in the first 11 laps:
21.1, 21.4, 21.6, 21.9, 22.1, 22.2, 22.3, 22.2, 22.3, 22.4, 22.3, ...

Fitting those data, I get the following.

Base time = 81.3 sec
Fuel-corrected deg rate = 0.17 sec/lap

Compare this to the Mercedes stint at:

Base time = 81.3 sec
Fuel-corrected deg rate = 0.08 sec/lap

Again, we don't know the true fuel loads, so it's hard to make a direct comparison here, but the Mercedes stint remains very impressive.
Not the result I wanted to hear, but still thanks for the effort :)
I'll just add a thought to this. If we assume the Mercedes was running at 7 laps of fuel for their 7-lap stint and the Ferrari was carrying 14 laps of fuel for their 14-lap stint, then these are the overlaid fuel-corrected times I get for the two stints, using my approximated times for Vettel from those reports.

http://i.imgur.com/7ekZSiM.png
I'm pretty sure that vettel was aiming at costant laptimes in this stint

zac510
zac510
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Joined: 24 Jan 2006, 12:58

Re: F1 2016 vs 2017: mathematical/statistical comparison

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Mr.G wrote:Yes, that was my intention. So far we know about 4-6 lap times. It would be great if someone from Italy checked they local pages as it's Italian team and maybe someone from Germany as it was Vettel's day. If someone want to search for more info it was on the First day of Second test. Or some times it's also named as the Fifth day of the test. And it was 07-MAR-2017 and it was the last stint before launch break (started about 12:40).

I relay would like to see the collective effort on this :)
Let's do it next year in a cloud/shared spreadsheet while the test is running and try to get daily datasets.

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Mr.G
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Joined: 10 Feb 2010, 22:52
Location: Slovakia

Re: F1 2016 vs 2017: mathematical/statistical comparison

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zac510 wrote:
Mr.G wrote:Yes, that was my intention. So far we know about 4-6 lap times. It would be great if someone from Italy checked they local pages as it's Italian team and maybe someone from Germany as it was Vettel's day. If someone want to search for more info it was on the First day of Second test. Or some times it's also named as the Fifth day of the test. And it was 07-MAR-2017 and it was the last stint before launch break (started about 12:40).

I relay would like to see the collective effort on this :)
Let's do it next year in a cloud/shared spreadsheet while the test is running and try to get daily datasets.
Good idea!
Art without engineering is dreaming. Engineering without art is calculating. Steven K. Roberts

shady
shady
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Joined: 07 Feb 2014, 06:31

Re: F1 2016 vs 2017: mathematical/statistical comparison

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Practice during the in season test.

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Mr.G
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Joined: 10 Feb 2010, 22:52
Location: Slovakia

Re: F1 2016 vs 2017: mathematical/statistical comparison

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Any plans to do some calculations from the Australian GP?
Art without engineering is dreaming. Engineering without art is calculating. Steven K. Roberts

designf1
designf1
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Joined: 31 Aug 2017, 22:07

Re: F1 2016 vs 2017: mathematical/statistical comparison

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IFK
IFK
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Joined: 22 Feb 2014, 18:30

Re: F1 2016 vs 2017: mathematical/statistical comparison

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Here's one (or part of it) statistical analysis of the 2018 season :

https://translate.google.com/translate? ... 8-de-f1%2F
"I think I'll be as welcome as a toothache on a wet Monday morning." MB