Lap Timing - What Do you use?

[CrashBang]

If you ever time yourself on track, when permitted naturally, what do you use?

I am looking for an easy convenient option, however it needs to be relatively accurate.

I currently use the Trackaddict Pro App, however I do not find it particularly good, it loses GPS all of the time and when it doesn't trying to interrogate the data on the fly is painful.

Any info appreciated.

[E-bmw]

I am not saying they don't, but I have never been on a UK TD that allows timing so the only way is by looking back through your camera footage.

[Dakkon]

I am not aware of a UK trackday company that allows timing.....that said, I know a whole bunch of people who run Harry's lap timer or Race Chrono on their phones and some also run an external GPS devices as most most phones sampling rate is not that high and therefore accurate.

[anonymous-user]

I don't particularly like timing, I personally find it makes me focus more on lap time than having fun - if that was what I wanted to do I'd go racing.

That said, I use a Garmin VIRB camera with onboard GPS and it can be quite good to review the laps after the event and see if what felt fast actually was fast. Often it isn't

[The Selfish Gene]

VBOX is the best for me.

for reviewing when out of the car obviously on track days that don't allow timing.

You can get a predictive laptime function but it's over kill for track days I think

[CedricN]

Race chrono and 5 or 10hz gps receiver. Being able to review and compare the logs afterward makes it much easier to progress as a driver, absolute lap time isn't as important.

[nw942]

I use HLT with an external GPS too.

HLT can export VBO files, which you can then load into RaceLogic Circuit Tools (free) for analysis.

[Darumvej]

Aim Solo, Just plug into cig lighter it has most of the UK tracks built in, just cross the start line and it starts timing also has standing quarter mile and 0 to 60 feature.

[CrashBang]

CedricN said:

Being able to review and compare the logs afterward makes it much easier to progress as a driver, absolute lap time isn't as important.

This is exactly why I am looking. Not interesting in seeing a lap time in my face, it's about being able to evaluate the day and any changes and or instruction.

What external GPS are you guys using?

How does Harry's compare against Race Chrono, anyone used both?

[Vimes]

I ran race chrono and a 10hz GPS receiver on an official test day. The lap times were out by a long way (up to 1.5 seconds). Not sure if the innacuracy was exacerbated by running the timing live (with screen on) but I won’t bother in the future.

If you want reliable data I’d suggest an Aim Solo.

[CedricN]

Vimes said:

I ran race chrono and a 10hz GPS receiver on an official test day. The lap times were out by a long way (up to 1.5 seconds). Not sure if the innacuracy was exacerbated by running the timing live (with screen on) but I won’t bother in the future.

If you want reliable data I’d suggest an Aim Solo.

Sounds like something was wrong, either with the GPS signal or start/finish line. Should be within 0.1s approx

[Kraken]

Never been on a track day where it was possible to do a flat out lap as there's always someone holding you up in the corners so don't see the point in timing.

[CrashBang]

Kraken said:

Never been on a track day where it was possible to do a flat out lap as there's always someone holding you up in the corners so don't see the point in timing.

If you feel timing is all about absolute lap times, your totally missing the point