Search found 793 matches

by gplracerx
Sat Sep 16, 2017 7:05 pm
Forum: Trouble Shooting
Topic: HLT Petrolhead to GP Edition troubleshooting
Replies: 2
Views: 95

Re: HLT Petrolhead to GP Edition troubleshooting

If you searched on this forum you likely would have found the answer as it comes up often.

Load the Petrolhead edition on your iPhone 5. Then open HLT and upgrade to Grand Prix through the in app purchase. As long as you're using the same Apple id you used to buy the upgrade, you won't be charged.
by gplracerx
Fri Sep 15, 2017 4:19 pm
Forum: Trouble Shooting
Topic: Hero 3+ and Itunes 12.7
Replies: 6
Views: 158

Re: Hero 3+ and Itunes 12.7

Buy the Apple Lightning to SD Card Camera reader. You'll need the micro-SD to SD adapter that should have come with your micro-SD card. That will transfer video files from the SD card to the Photo app. That can be accessed from Laptimer. That's really the fastest and most convenient way to transfer ...
by gplracerx
Fri Sep 01, 2017 1:27 am
Forum: Trouble Shooting
Topic: Incomplete Lap Recordings
Replies: 32
Views: 2136

Re: Incomplete Lap Recordings

cobbyboy, You might also try exporting unsplit lap data in .kml format and opening it in Google Earth to see if there is some glaring error in the GPS data, like it thinks you went into the paddock. After you widen the corridor, first send the program to the background and open it up again, then ope...
by gplracerx
Wed Aug 23, 2017 10:34 pm
Forum: Trouble Shooting
Topic: Camera Stabilization
Replies: 6
Views: 295

Re: Camera Stabilization

The front camera is lower resolution and has a fixed focal length. Autofocus is one of the contributors to the problem. What with vibration, the camera can't decide where it needs to focus. If you could turn it off, it would help. But Apple and Android operating systems take turning autofocus off as...
by gplracerx
Sat Aug 19, 2017 12:31 am
Forum: Announcements
Topic: "Wivel" crowd funding live
Replies: 18
Views: 1975

Re: "Wivel" crowd funding live

Blackfrosch wrote:The units are in production. And obviously 50hz is marketing, but I believe that wivel will work great with harrys laptimer - so no need to connect ,three sensors


Then how come they're not for sale? And they've been 'in production' for about a year now.
by gplracerx
Wed Aug 16, 2017 2:59 pm
Forum: Trouble Shooting
Topic: 2017 Honda Civic Type R - No ECT or IAT showing on OBD
Replies: 2
Views: 154

Re: 2017 Honda Civic Type R - No ECT or IAT showing on OBD

The various RaceCapture devices allow custom PID's and can also read the CAN bus directly, which is much faster if you know the correct CAN ID. They are compatible with HLT. I can't enthusiastically recommend them, though. They still need a lot of development, IMO.
by gplracerx
Tue Aug 15, 2017 9:49 pm
Forum: Trouble Shooting
Topic: Camera Stabilization
Replies: 6
Views: 295

Re: Camera Stabilization

I'm pretty sure the problem is high frequency vibration. Your hands filter that out. Image stabilization works for the low frequency of hand movement. A RAM mount, necessary to get accurate accelerometer data, doesn't. Drone cameras have similar problems. Soft rubber vibration isolation mounts are t...
by gplracerx
Tue Aug 15, 2017 8:54 pm
Forum: Announcements
Topic: "Wivel" crowd funding live
Replies: 18
Views: 1975

Re: "Wivel" crowd funding live

More detail: At 50KPH, you're traveling at 13.9m/s. So at 50Hz the position change would be 0.3m per reading. This is about an order of magnitude less than the accuracy of consumer GPS, so noise will be a high percentage of the change in position reading. At 200kph, the change on position will be ab...
by gplracerx
Mon Aug 14, 2017 2:56 pm
Forum: Announcements
Topic: "Wivel" crowd funding live
Replies: 18
Views: 1975

Re: "Wivel" crowd funding live

50Hz is completely unnecessary, especially if there aren't enough significant figures in the position data. All you'll get is multiple replicates of the same position and then a shift and more multiple replicates. Maybe if you were going 1000KPH...
by gplracerx
Sat Aug 05, 2017 1:21 am
Forum: Using LapTimer
Topic: Restoring .hlptrl file
Replies: 10
Views: 257

Re: Restoring .hlptrl file

If I mail the data to myself it ends up on my MacBook Pro, not my iPhone. How do I get it on my iPhone or is there a way to access the MBP from my iPhone? I'm not aware of a way but I am not an expert. You must be downloading the email from your server to your MacBook Pro. Your iPhone can't access ...

Go to advanced search