WuffvonTrips
Well-Known Member
- First Name
- Paul
- Joined
- Oct 24, 2021
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- 36
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- 1,910
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- Location
- Up North
- Vehicles
- Taycan Turbo CT
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- #1
I decided to familiarise myself with the free Porsche Track Precision app (for Android phones or the other one) as a potentially useful tool for my upcoming track tuition course. Not only does it automatically recognise and lap time many circuits (and can easily be taught additional ones), it also has a “free driving” mode which can be used to log recreational driving, such as trips on public roads or wherever.
It connects wirelessly to the car’s PCM, and logs a fairly rich data set at intervals of 0.1 second (see spreadsheet sample at end). It can also be configured to automatically capture brief video recordings (by the phone’s cameras or a Porsche dashcam) of “moments”, as identified by higher g-forces laterally or longitudinally.
The app allows the logged data to be reviewed by predefined or user-configurable data sets, zooming in and out at any points either on a timeline of the trip or on a Google Earth Satellite View of the route.
So far (after 3 trips), the app seems to work impeccably (the only issue I’ve noticed has been due to my phone’s flaky GPS reception in certain places- noticeable when playing back a trip and seeing the car’s location jittering back and forth along some sections of a route). Well done Porsche- I'm impressed!
Example screenshots-
At the foot of each screen is a “Drive on your limit (%)” plot, which compares the instantaneous total g-force with the maximum you achieved during the session- so more meaningful when analysing multiple laps, more of a gimmick when driving safely and legally on public roads.
But that’s not all- there’s a data export function, with a .csv file option, which is perfect for me as
I live my life by spreadsheet, particularly when it comes to organising and analysing stuff.
Here’s some sample data- the header uses the App’s terminology, below which I’ve added the relevant units of measure (note that the raw data’s choice of units doesn’t always match those displayed in the App).
(I realise that none of this may be news to the experienced trackers on the forum, but I thought it might be of more general interest, especially as it's free and it works).
It connects wirelessly to the car’s PCM, and logs a fairly rich data set at intervals of 0.1 second (see spreadsheet sample at end). It can also be configured to automatically capture brief video recordings (by the phone’s cameras or a Porsche dashcam) of “moments”, as identified by higher g-forces laterally or longitudinally.
The app allows the logged data to be reviewed by predefined or user-configurable data sets, zooming in and out at any points either on a timeline of the trip or on a Google Earth Satellite View of the route.
So far (after 3 trips), the app seems to work impeccably (the only issue I’ve noticed has been due to my phone’s flaky GPS reception in certain places- noticeable when playing back a trip and seeing the car’s location jittering back and forth along some sections of a route). Well done Porsche- I'm impressed!
Example screenshots-
At the foot of each screen is a “Drive on your limit (%)” plot, which compares the instantaneous total g-force with the maximum you achieved during the session- so more meaningful when analysing multiple laps, more of a gimmick when driving safely and legally on public roads.
But that’s not all- there’s a data export function, with a .csv file option, which is perfect for me as
I live my life by spreadsheet, particularly when it comes to organising and analysing stuff.
Here’s some sample data- the header uses the App’s terminology, below which I’ve added the relevant units of measure (note that the raw data’s choice of units doesn’t always match those displayed in the App).
(I realise that none of this may be news to the experienced trackers on the forum, but I thought it might be of more general interest, especially as it's free and it works).
