![]() ![]() Yes, you can add a separate bluetooth devices to log ECU and get better GPS data to your phone app.Ī bluetooth GPS receiver can speed up and improve the GPS signal over the one in your phone. Too much else happens within a second at track speeds (eg braking) to render the other info near useless. Using clever maths (interpolation) you can still get a reasonable lap time accuracy. Unlike dedicated GPS lap timers, your phone will only check your position once per second.Īt 100 mph you travel 45 metres or 148ft in 1 second. The big issue with using your phone is its accuracy. More important though is… The iPhone GPS Is Not Good Enough For Driver Data Analysis My understanding is because of potential distraction reasons. In the UK, using your phone/iPad as a lap timer is banned in racing. See on Harrys Laptimer for example – an app I have had since the iPhone 4 edition. Plus, the specs can read like they are identical or even better than dedicate systems. When you start looking for the best lap timer they can feel like an obvious and cost effective solution.Īfter all you already have the hardware – your phone. Samir Abid’s iPhone Lap Timer Telemetry App circa 2009… Here is an article with more on how GPS lap timers work with some pros and cons. There is more to consider but for now use that as your going in consideration. ![]() In short, you want one that checks your position at least 5 times per second (5Hz.) The better ones check 10+ times per second. There are lots of numbers in the marketing for GPS lap timers! They reliably record your lap times, every lap. Right?įor me the best lap timers are the dedicated GPS based systems. You do motorsports for fun, not extra frustration. Not because they don’t want too use more but there is already enough to do in the paddock.Ī good laptimer is one that gives you the value of data, with the least addional hassle. ![]() Many people buy a top end system and use 10% of its potential. Your no.1 consideration for the best lap timer, especially when time is already at a premium, should be to get a lap timer that is going to be easy for you to use. There is no question, some data systems need more manual intervention than others. This will launch a File Explorer pop-up where you can navigate to the location in which you wish to save your split file and name your file.Ĭlick this button to reset all gate settings to the default values.As a race engineer, I have used many data systems – from F1 telemetry to phone apps. This will launch a File Explorer pop-up where you can navigate to the location of your split file, select it and click Open.Ĭlick this button to save a Split file of the currently configured splits to your device. Note: This option is only available when you are setting the circuit manually.Ĭlick this button to load a Split file of previously configured splits to your VBOX HD Lite unit. When you are racing at a very narrow circuit, where the pit lane is right next to the start line, it could be possible to trigger lap timing in the pit lane and give an incorrect number of laps. This option is particularly useful if HD Lite is not detecting the correct number of laps. This is useful if you, for example, intend to do a prolonged test around a track where you would be crossing the start/finish line multiple times but don't want the lap to finish.Īdjust the width of the gates on your circuit. Tick this box to use the start/finish line as just the start line. You can use this setting to stop the VBOX HD Lite from reacting when you cross the finish line by entering a value of 1 (or more) in this box to set the number of times you can cross the line before you finish. Set how many times you want the unit to ignore the finish line.įor some sprint races, two physical laps are taken into account to produce one lap time. In situations where you will cross the start line before the lap timing should start, you can enter a value of 1 (or more) in this box to set the number of times you can cross before VBOX HD Lite starts the lap timing. Set how many times you want the unit to ignore the start line. ![]()
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