Video Tutorial: VW Jetta TDi at Road America
Wednesday, August 26th, 2009iRacing member Jeroen Ganzeveld has produced another tutorial video for the VW Jetta TDi, this time at Road America.
This weeks Jetta TDI tutorial is about Road America, and has quite a different structure than last weeks tutorial.
The major difference is that this week there is only one lap to view: a 2.37.8, this was done mainly due to the length of the track, but also because it’s much harder to ‘go easy’ here and still maintain a competitive laptime. In order to maximize the yield for the 8 minutes you’ll be watching this video (I hope!) I have focused on what you can do to improve your laptime the most, with the least amount of effort/time.
In order to achieve this, I’ve split the track up into 3 imaginary zones of priority:
- This is usually one corner and the following straight, there are 3 of these in the track and they can all gain or lose you 0.5 seconds easily on a good, or sloppy exit, and cost you a position in a fight.
- This is the area from T3 up until halfway into the carousel (the long swooping right-hander before the kink) you can gain a lot of time here, but there are a lot of corners to master – I spend less time explaining this area of the track because the yield of practicing it is significantly less than that of the priority 1 zones.
- These areas (there are 2; T1 and T12+13) give the least yield, but of course don’t go blowing these corners every lap and blame me for it
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I’ve identified these zones to help prioritise what you need to practice in order to rapidly improve laptimes (some people won’t have hours upon hours to practice a large track like this) It doesn’t mean that you should neglect parts of the track, but if you can consistently hit your marks into the priority 1 zones, you might gain as much as 1.5s/lap consistently, which is huge!
To highlight and enjoy your easily gained time, I play music at every priority 1 straight – there’s a bit of an in-joke going on here, but don’t mind the silliness too much. All you need to know, is that when Mister Kenny Rogers starts singing about a Gambler, you’ll be gaining precious time if you’ve nailed the previous corner
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One final note is that I took the liberty of using a fairly quick lap for this tutorial, one reason is that I hit my marks well for the priority 1 zones (aka: Kenny zones) and it would make for a horrible tutorial if I didn’t follow my own advice
and another is that it gives a good view at what a ‘competitive’ lap looks like. It’s not a reference time however, so if you’re more comfortable driving 2.40.0 and this tutorial shaves off 1 second (I’d be pleased!) then that’s your current pace and you can be very competitive still. I’m just trying to reach an audience that is as broad as it can be.
This also means that I use brake-markers and entry-speeds that you might not be comfortable with – don’t worry about this, and don’t start overdriving the car to match speeds, just downtune (or uptune if you’re particularly fast) your brake-points and cornering speeds and make sure that you hit your marks right! A good example is the quick right-hander and the kink: I take these flat out (actually, I give them the “kind of lift only me and God know about” – Carl Lopez, Going Faster! Page 79 ;D) if you can’t take these turns consistently at full throttle, give them a little lift and build up confidence gradually. During the course of a race, your tyres might not allow for full-throttle in these corners anymore, so also take that into consideration.
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