Track mode display question
Thread Starter
Le Mans Master
Joined: Jun 2003
Posts: 9,251
Likes: 217
From: 2007 Nat'l Corvette Challenge 11.50 index Champ. New Jersey
Track mode display question
I am wondering how the track display mode keeps track of current/best/last lap times and if it is accurate?
Does the PDR need to be on as well to get the data?
How does the car know the track or start/finish line otherwise?
Any info is appreciated!
Ron
Does the PDR need to be on as well to get the data?
How does the car know the track or start/finish line otherwise?
Any info is appreciated!
Ron
Race Director
Joined: Oct 2008
Posts: 16,671
Likes: 7,738
From: NJ
You set start finish.
Yes same as pdr.
Timer only keeps laps when car is running.
If you shut car get out go back the track screen lap times will be 0.00 again.
If you recorded the session it will be on there. If not? Gone forever
Yes same as pdr.
Timer only keeps laps when car is running.
If you shut car get out go back the track screen lap times will be 0.00 again.
If you recorded the session it will be on there. If not? Gone forever
Last edited by 24/Eray; Apr 18, 2020 at 06:17 PM.
Melting Slicks
Joined: Jun 2016
Posts: 2,845
Likes: 521
From: Eastern WA
I use the PDR and once on track set the start finish. The cars GPS maps the track. The lap times are automatically displayed and based on GPS position and seem accurate. Once you use it at a track it will automatically recognize it when you return at a later date.
Race Director
Joined: Oct 2008
Posts: 16,671
Likes: 7,738
From: NJ
Unless you format the card again.
There's a file on sd card once you set the start/finish. If you erase that file you erase the ability for the car to remember the position (so if you get a new sd card for some reason you need to transfer that file or redo start/finish).
Its obviously NOT the video or thumbnail o forget the format of the file but you'll recognize it being different and should be only 1 on card unless you saved multiple start/finish lines
There's a file on sd card once you set the start/finish. If you erase that file you erase the ability for the car to remember the position (so if you get a new sd card for some reason you need to transfer that file or redo start/finish).
Its obviously NOT the video or thumbnail o forget the format of the file but you'll recognize it being different and should be only 1 on card unless you saved multiple start/finish lines
Last edited by 24/Eray; Apr 18, 2020 at 09:51 PM.
Le Mans Master
Joined: Dec 2000
Posts: 5,348
Likes: 3,319
The timing system is reasonably accurate.
Kimball Electronics makes the majority of the PDR hardware. They state the system employs a 5Hz GPS receiver. Click
At 100 mph, you are traveling 147 ft per second. With a 5Hz receiver the PDR creates a data point every 29 feet.
The lap times are accurate within roughly 0.2 seconds. (The total error can be up to 0.4 seconds per lap or as low as 0.0 if the system hits just right.)
Kimball Electronics makes the majority of the PDR hardware. They state the system employs a 5Hz GPS receiver. Click
At 100 mph, you are traveling 147 ft per second. With a 5Hz receiver the PDR creates a data point every 29 feet.
The lap times are accurate within roughly 0.2 seconds. (The total error can be up to 0.4 seconds per lap or as low as 0.0 if the system hits just right.)
Pro
Joined: Nov 2011
Posts: 549
Likes: 136
From: Allen, TX
I understand the PDR software can only handle one start/stop per memory card
so if you goto different tracks, get a memory card per track so you can compare times from different days from same track
...this is what I did......cheers
so if you goto different tracks, get a memory card per track so you can compare times from different days from same track
...this is what I did......cheers
Thread Starter
Le Mans Master
Joined: Jun 2003
Posts: 9,251
Likes: 217
From: 2007 Nat'l Corvette Challenge 11.50 index Champ. New Jersey
Unless you format the card again.
There's a file on sd card once you set the start/finish. If you erase that file you erase the ability for the car to remember the position (so if you get a new sd card for some reason you need to transfer that file or redo start/finish).
Its obviously NOT the video or thumbnail o forget the format of the file but you'll recognize it being different and should be only 1 on card unless you saved multiple start/finish lines
There's a file on sd card once you set the start/finish. If you erase that file you erase the ability for the car to remember the position (so if you get a new sd card for some reason you need to transfer that file or redo start/finish).
Its obviously NOT the video or thumbnail o forget the format of the file but you'll recognize it being different and should be only 1 on card unless you saved multiple start/finish lines
Thread Starter
Le Mans Master
Joined: Jun 2003
Posts: 9,251
Likes: 217
From: 2007 Nat'l Corvette Challenge 11.50 index Champ. New Jersey
The timing system is reasonably accurate.
Kimball Electronics makes the majority of the PDR hardware. They state the system employs a 5Hz GPS receiver. Click
At 100 mph, you are traveling 147 ft per second. With a 5Hz receiver the PDR creates a data point every 29 feet.
The lap times are accurate within roughly 0.2 seconds. (The total error can be up to 0.4 seconds per lap or as low as 0.0 if the system hits just right.)
Kimball Electronics makes the majority of the PDR hardware. They state the system employs a 5Hz GPS receiver. Click
At 100 mph, you are traveling 147 ft per second. With a 5Hz receiver the PDR creates a data point every 29 feet.
The lap times are accurate within roughly 0.2 seconds. (The total error can be up to 0.4 seconds per lap or as low as 0.0 if the system hits just right.)
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Le Mans Master
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