Hi Harry, It seems that when you overlay with the Iphone camera as the primary video and Gopro as #Camera2 then it works fine overlay the entire session without issue. You can also notice a slight frame jump on the gopro footage at the end of every lap.. Does this mean the 2 videos are not synced co...

Hi Harry, Thanks for coming back to me so quickly, I have one short 7 second lap (clicking on/off of lap timer on the cooldown lap at end of a session) at the end of the very last session of the day that looks to miss obd data but on inspecting the charts there are RPM changes and G changes there. I...

I am having a problem overlaying obd data to several sessions recorded yesterday at Goodwood, I have a gopro video as the master and the iphone video as the 2nd video, using gopoint BT1, it works fine to overlay a single lap but when trying to overlay the sessions the odb and gps/g sensors data free...

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Trip to the Ring a couple of weeks ago, Still wish I was back there!!

A vid from the Saturday evening, (forgot to lock the autofocus!)

[youtube]http://www.youtube.com/watch?v=8LBpcQGDAtg[/youtube]

Re-calculated and overlay re applied, also added a reference lap for fun as I upgraded to Grandprix addition ;) On some of the other laps re-calculating seems to have a few big spikes in, adjusting the slider seemed to help a little though :) I'm guessing the problems with accelerometer stopping whe...

Great footage - but a problem with acceleration. Once LapTimer 17.5 arrives (should be in some days), please recalculate lateral acceleration for laps overlaid (Lap List -> any lap -> Recalculate -> Acceleration) and run the overlay again. That will look even better :-) - Harry Hi Harry, I have sin...

Went to my first track day at Spa, After getting a new Iphone 5s, and a Ram mount to go with it + a Gopoint BT1 on harrys recommendation here are the results! It was wet in the morning and dry in the afternoon with some mildly moist stuff in the middle :) Car runs normal road tires ;) [youtube]http:...

my GoPoint BT1 arrived today, and the device works brilliantly thank you once again Harry for your help.

Thanks for taking a look for me Harry, I tried both methods but could not get it to work, excluding still revealed no data at all coming through.. I will look at selling this unit on and acquiring a compatible one before my next trip to Spa and the Ring in October, many thanks for your help Dave.