A VBOX convert gives testimony... Track App, not so much...
10-02-2016, 08:59 PM
#1
Three Wheelin'
Thread Starter
A VBOX convert gives testimony... Track App, not so much...
Hi all.
I am a rabid sriusbzns autocrosser since '86, and had done quite a bit of
data analysis previously with the race-technology products and software.
I still have an attraction to some of the convenience and intuitiveness of
the software, but I have recently been using a loaned Vbox Sport, and I
am finding that the simple default focus it puts on the 'delta', graphing
where time is gained or lost comparing one run to another, homes me in
very well to where to change, where to win.
I was used to cutting the course up into sections, and delving into them
one-at-a-time. The danger I realize now, is that I am not prescient about
choosing sector boundaries, and that the big wins shown by the delta graph
tend not to correspond to a sector I'd choose, often in either a bit I hadn't
paid attention to, covering the border between my sectors, or at some
tiny part of a sector, that could be changed by a small change, leaving
all the basic tactics of handling the sector just as they were.
I would have suggestions for new features/tables in the software, but
I am fairly sure I'm getting 85% of the benefit as it is now.
I am also taking video with go-pro (at an angle that shows my steering input
and where I'm looking) and phone. These show other ways I can improve.
I only wish the Porsche Track App (latest for android) would work worth a
damn. I'd like to see whether the throttle/steering/braking data are useful,
but in about 25 attempts, the app recorded the video, but never kept the
data (signal very good from the VBox), except for *one* partial lap, where
the data just stopped 500 ft and two corners from the end... And I have
tried the suggestion of putting the phone in airplane mode and then turning
on wifi and bluetooth, but that made no difference...
I am a rabid sriusbzns autocrosser since '86, and had done quite a bit of
data analysis previously with the race-technology products and software.
I still have an attraction to some of the convenience and intuitiveness of
the software, but I have recently been using a loaned Vbox Sport, and I
am finding that the simple default focus it puts on the 'delta', graphing
where time is gained or lost comparing one run to another, homes me in
very well to where to change, where to win.
I was used to cutting the course up into sections, and delving into them
one-at-a-time. The danger I realize now, is that I am not prescient about
choosing sector boundaries, and that the big wins shown by the delta graph
tend not to correspond to a sector I'd choose, often in either a bit I hadn't
paid attention to, covering the border between my sectors, or at some
tiny part of a sector, that could be changed by a small change, leaving
all the basic tactics of handling the sector just as they were.
I would have suggestions for new features/tables in the software, but
I am fairly sure I'm getting 85% of the benefit as it is now.
I am also taking video with go-pro (at an angle that shows my steering input
and where I'm looking) and phone. These show other ways I can improve.
I only wish the Porsche Track App (latest for android) would work worth a
damn. I'd like to see whether the throttle/steering/braking data are useful,
but in about 25 attempts, the app recorded the video, but never kept the
data (signal very good from the VBox), except for *one* partial lap, where
the data just stopped 500 ft and two corners from the end... And I have
tried the suggestion of putting the phone in airplane mode and then turning
on wifi and bluetooth, but that made no difference...
10-02-2016, 09:19 PM
#2
Rennlist
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I have a good used VBOX Lite with a micro input module, new antenna and two cameras for $1100, postage paid.
This generates what the VBOX Sport does (albeit at 10 Hz GPS) and uses the same software but adds linked and automatically synchronized video.
I have new VBOX equipment, too.
__________________
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www.peterkrause.net
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"Combining the Art and Science of Driving Fast!"
Specializing in Professional, Private Driver Performance Evaluation and Optimization
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-Peter Krause
www.peterkrause.net
www.gofasternow.com
"Combining the Art and Science of Driving Fast!"
Specializing in Professional, Private Driver Performance Evaluation and Optimization
Consultation Available Remotely and at VIRginia International Raceway
10-07-2016, 01:39 PM
#3
How are you triggering the start and stop of runs using the VBox sport?
How are you reviewing your data between runs? App? Laptop?
Peter:
How would you setup start/finish points using a VBOX Video solution (HD2, Lite, etc.)
db
10-07-2016, 02:16 PM
#4
Three Wheelin'
Thread Starter
With the VBox Sport, I just turn it on and have it record the whole session
including all the runs and the returns and waits in the grid.
I only review/analyze the data and videos on a desktop the next day.
I use the Circuit Tools options to graphically place the start and finish.
including all the runs and the returns and waits in the grid.
I only review/analyze the data and videos on a desktop the next day.
I use the Circuit Tools options to graphically place the start and finish.
10-07-2016, 02:36 PM
#5
With the VBox Sport, I just turn it on and have it record the whole session
including all the runs and the returns and waits in the grid.
I only review/analyze the data and videos on a desktop the next day.
I use the Circuit Tools options to graphically place the start and finish.
including all the runs and the returns and waits in the grid.
I only review/analyze the data and videos on a desktop the next day.
I use the Circuit Tools options to graphically place the start and finish.
db
10-07-2016, 02:43 PM
#6
Three Wheelin'
Thread Starter
Right. For autocross there is no time, either clock time or mental time.
As little physical movement between runs as possible, all about choosing
maybe one, rarely two specific things to do the next run, and calming
so the energy/adrenaline/focus reserves are replenished.
And the first run suffers from cold tires and most discovery of problems/opportunities not foreseen in the walks. Run 2 is the first
that cold be useful, and only with run 3 usually, which is moot unless
you get more runs. If I only had a computer savvy pit crew jumping
around with my beverages and stuff...
As little physical movement between runs as possible, all about choosing
maybe one, rarely two specific things to do the next run, and calming
so the energy/adrenaline/focus reserves are replenished.
And the first run suffers from cold tires and most discovery of problems/opportunities not foreseen in the walks. Run 2 is the first
that cold be useful, and only with run 3 usually, which is moot unless
you get more runs. If I only had a computer savvy pit crew jumping
around with my beverages and stuff...
10-07-2016, 02:48 PM
#7
We usually get 3-5 runs in the morning and another 3-5 afternoon, same course, so review is a possibility. Even just video for a quick second look at the course between runs in good.
Nonetheless, I still can't work out the data flow.
Nonetheless, I still can't work out the data flow.
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10-07-2016, 02:54 PM
#8
Three Wheelin'
Thread Starter
yep, in the less competitive club events around here, we can get a lot of
runs, but still no study time,and yes, reviewing video might be helpful at
times, if you didn't absorb the course by then.
runs, but still no study time,and yes, reviewing video might be helpful at
times, if you didn't absorb the course by then.
10-07-2016, 08:05 PM
#9
Rennlist
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Seems to me you could use the same workflow as I do at the track with extremely short turnarounds between runs.
After the first run, you can place the start/finish points and "save" the course. This allows apples to apples comparisons with any subsequent runs and allows the same sectors to be retained.
The big benefit with video is to SEE the attitude and angle of the car to the gates WITH synchronized video.
Obviously, on the Sport and the Lite, you can manually start and stop recording. On the HD2, there is an adjustable "buffer" held in memory, usually set at 10 seconds, which allows the HD2 to start on speed but get the 10 (or whatever you want) seconds before you start moving in the start box.
After the first run, you can place the start/finish points and "save" the course. This allows apples to apples comparisons with any subsequent runs and allows the same sectors to be retained.
The big benefit with video is to SEE the attitude and angle of the car to the gates WITH synchronized video.
Obviously, on the Sport and the Lite, you can manually start and stop recording. On the HD2, there is an adjustable "buffer" held in memory, usually set at 10 seconds, which allows the HD2 to start on speed but get the 10 (or whatever you want) seconds before you start moving in the start box.
10-07-2016, 09:53 PM
#10
Seems to me you could use the same workflow as I do at the track with extremely short turnarounds between runs.
After the first run, you can place the start/finish points and "save" the course. This allows apples to apples comparisons with any subsequent runs and allows the same sectors to be retained.
The big benefit with video is to SEE the attitude and angle of the car to the gates WITH synchronized video.
Obviously, on the Sport and the Lite, you can manually start and stop recording. On the HD2, there is an adjustable "buffer" held in memory, usually set at 10 seconds, which allows the HD2 to start on speed but get the 10 (or whatever you want) seconds before you start moving in the start box.
After the first run, you can place the start/finish points and "save" the course. This allows apples to apples comparisons with any subsequent runs and allows the same sectors to be retained.
The big benefit with video is to SEE the attitude and angle of the car to the gates WITH synchronized video.
Obviously, on the Sport and the Lite, you can manually start and stop recording. On the HD2, there is an adjustable "buffer" held in memory, usually set at 10 seconds, which allows the HD2 to start on speed but get the 10 (or whatever you want) seconds before you start moving in the start box.
10-07-2016, 10:53 PM
#11
Rennlist
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This sounds like a definite possibility.
Alternatively, since I don't need to duplicate the official system and just need consistent start/finish points for lap to lap comparison, I could place the start just after the course begins (after the start box) and the finish just before the course ends (this is easy to see as there is a hard braking zone right after the finish timing lights which should be on the data).
Alternatively, since I don't need to duplicate the official system and just need consistent start/finish points for lap to lap comparison, I could place the start just after the course begins (after the start box) and the finish just before the course ends (this is easy to see as there is a hard braking zone right after the finish timing lights which should be on the data).