Search found 13 matches

by jluthman
Tue Jul 16, 2019 4:24 pm
Forum: Using LapTimer
Topic: OBD2 scanner set up
Replies: 8
Views: 262

Re: OBD2 scanner set up

What I'm ultimately trying to figure out is why the throttle/braking graphs as well as the gear/rpm versus my drive line is so far off. It's clear from the G force I'm doing one thing but the tachometer is saying something different.
by jluthman
Mon Jul 15, 2019 4:22 pm
Forum: Using LapTimer
Topic: OBD2 scanner set up
Replies: 8
Views: 262

Re: OBD2 scanner set up

Harry wrote:
Mon Jul 15, 2019 3:54 pm
Max rpm is not relevant. What is relevant are gear and drive ratios, tire sizes, drive axle selection, OBD rpm and speeds.

Harry
I know you said max RPM isn't relevant, but the max speed of gear 6/7 are incorrect because of it. Is that an issue?
by jluthman
Thu Jul 11, 2019 3:38 pm
Forum: Using LapTimer
Topic: OBD2 scanner set up
Replies: 8
Views: 262

Re: OBD2 scanner set up

The speed limits on LapTimer in each gear are off by a little bit, not all that much though. I'm not sure where to look for the mistake.

Image

I do know there's an issue with gear 6/7 where the max rpm are 6850/4825 but I don't see a place to specify that.
by jluthman
Thu Jul 11, 2019 2:11 pm
Forum: Using LapTimer
Topic: OBD2 scanner set up
Replies: 8
Views: 262

Re: OBD2 scanner set up

The rpm values for max torque and power look wrong. They will not be the same and a typical value for max torque and the Porsche engines are in the 4tsds. For the gear, please check the drive ratio. Harry What should the graph look like? Which gear? The drive ratio seems to be 3.89 which is what I ...
by jluthman
Wed Jul 10, 2019 5:51 pm
Forum: Using LapTimer
Topic: OBD2 scanner set up
Replies: 8
Views: 262

OBD2 scanner set up

I punched in some data and I wanted to see if I have done it correctly. I have a 2014 Cayman S (981 S). I think the gear ratios are here: https://rennlist.com/forums/987-981-forum/763587-981-gearing-mph-at-redine-in-2nd-3rd.html#post10580765 I'm not sure why but my tachometer/hp are clearly not righ...
by jluthman
Wed Jul 10, 2019 5:44 pm
Forum: Using LapTimer
Topic: Can I use an iPod?
Replies: 5
Views: 157

Re: Can I use an iPod?

Without GPS it wouldn't know when to start recording. The app has no idea if you're at the track or if it's in a shipping container. You could obviously record with just the device's video recorder app. There's no way to use LapTimer and a device without any kind of GPS. If the Apex Pro has GPS and ...
by jluthman
Tue Jul 09, 2019 6:56 pm
Forum: Using LapTimer
Topic: Can I use an iPod?
Replies: 5
Views: 157

Re: Can I use an iPod?

Might check to see if your iPod model has GPS. A quick search suggests most of them do not.
by jluthman
Mon Jul 08, 2019 9:59 pm
Forum: Using LapTimer
Topic: Adding GoPro3 videos to laps/sessions fail,
Replies: 6
Views: 203

Re: Adding GoPro3 videos to laps/sessions fail,

I believe my two issues were that a) I need to combine the two files into one (as I needed the last lap on the first file and the lap completes in the first few seconds of the second file) and b) I need to specify the master video and not the second PIP video (I did this on previous versions of LapT...
by jluthman
Mon Jun 24, 2019 4:06 pm
Forum: Using LapTimer
Topic: Adding GoPro3 videos to laps/sessions fail,
Replies: 6
Views: 203

Re: Adding GoPro3 videos to laps/sessions fail,

If I want to add video to just the one lap, I would not need to join the video. Isn't that what you said?

If so, would the next step be to copy the video over again?
by jluthman
Thu Jun 20, 2019 10:01 pm
Forum: Using LapTimer
Topic: Adding GoPro3 videos to laps/sessions fail,
Replies: 6
Views: 203

Re: Adding GoPro3 videos to laps/sessions fail,

The file limits are actually 2GB. It splits at that point. Is it required to join the files? I never had to in the past. What if I just want one lap to have video/export? Two possible reasons: 1) You have not Re-Linked the video after transferring it 2) the video linked is corrupted. Regarding 1: I ...