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Dave Kaemmer on the new tiremodel

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We’re very excited to get the new tire model into your hands and out into public view finally! We think you’ll find that the new tires are a lot of fun—at the same time easier to drive, but more challenging, too. For sure they are more realistic than the old tires—especially on the high speed ovals, which is why we’re letting you get a first look at them on the new Nationwide car. The car itself represents a big step forward in simulating a Nascar race car—the aerodynamics and suspension have been reworked in addition to the tires. But before you jump into the new Nationwide car and drop the clutch I thought I’d give you a few bits of information to help get you up to speed on these new tires.

First, you’re probably going to be best off if you start with the baseline setups provided with the car (click on the iRacing Setups tab in the garage). You may need to alter your driving style a bit to get the most out of these tires, and you can easily get into a hole by playing with the setup instead of playing with your line, and your technique.
 


Second, be patient—you’ll need to learn how you can change the balance of the car simply by altering your line, and by changing how and when you lift off and get back on the throttle. These tires, just like real tires, are very sensitive to heat buildup. When you’re going through a corner, especially on a high speed oval, the tire surface can heat up at 50 degrees per second! If the rear tires are heating up faster than the fronts, it’s sayonara—you’re going to spin. If the fronts are heating up faster, the car will be tight, and more steering will make it worse. When both ends are working nearly equally, you’ll know it—and you’ll find out why the drivers have a huge grin when their car is “hooked up.”

By changing how you drive a corner, you can control the heat buildup to a degree. If you drive in really hot, and crank in a lot of steering wheel angle (a very typical simracing technique), it will come as no surprise that you will get understeer, or push, and lots of it. If you do this lap after lap, your right front will likely not make a full fuel run without popping when you wear through the cords. Also you will be slow—maybe not on the first lap, but over a run you will lose a lot of time. That’s because the right front will lose a lot of grip as it nearly catches fire, and melts away.

An alternative is to back off a bit earlier, and turn the car down into the corner without a lot of steering wheel angle. Be patient, and apply the throttle only once the car is heading where you want it, and has rotated enough to get the rears working a bit. Now pick up the throttle, and you should feel the car bite. The easier you drive it into the corner, the earlier you can get back to the gas, but you might find that you start to heat the right rear more than the right front as you do this, and the car will get loose. You need to find the right amount to push the car in order to keep it balanced. A very slight brush on the brakes can do wonders on the way into a corner to get the front planted, and enough speed pulled off to get back on the gas. No need to mash the brakes—that’s another great way to overheat the fronts and move yourself to the back!

Once you have gotten comfortable with altering your driving style while lapping, and seeing how you can move the car from tight to loose and back again, then you might start to play with the car setup in order to fine tune things to be just how you like them. Pay close attention to how the tires are wearing, as much as to the temperatures. Remember that you can dramatically change the temperature and wear simply by changing how you drive, in addition to changing the setup. The keys to setting up the Nationwide car are to keep the front splitter as close to the ground as possible, and to get the four tires to share the workload as evenly as possible. The baseline setups do a good job at both, so if what you really want to do is race, just load the right setup for the track you’re driving, and forget it.

One small disclaimer: remember this is a preview of the new model; there are some features that are not done, such as smoke pouring from your locked up tires. We're still hard at work on completing it, but most of the important stuff is in there. I think it's fair to say that all of us here at iRacing and our dedicated crew of testers can't wait for you to try it--it is a ton of fun.

We hope you like this upgrade to our simulation, and rest assured we’ll continue to improve it for a long time to come!

-Dave Kaemmer

Yet another down for Peter

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Tonight at Sebring Peter was so "lucky" to drive 4 laps before being taken out by another driver hitting Peter's car from behind.

Will this never stop ?

Back in business at Sebump (Sebring)

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This season has been a disaster for me and car no. 1 (old boys). All races except my secound race at SPA I have been wrecked. I have been a magnet to idiots, fools, newbees and wanabees.

After Philip Island I got so angry so I promised my self not to drive the F1 anymore this season. I haven't raced the Star Mazda, so I tested the little open wheeler at Okayama. It was actually pretty funny to drive, and after 20 laps I was able to race some reasonable lap times.

Wednesday is practice day (I got a wife and 3 children, so race time is limited).and when I was about to connect to Okayama for some Star Mazda, I saw Jan was testing at Sebump so I coulden't help it, and joined him.....I must say that after 2 or 3 laps in the FW312009  forgot all about practice the Star Mazda.

Sebring or Sebump as I like to call the track, is a blast to race. Turn 1 and the last turn is like "russian roulette" but I can't help it,

...I simply love this car/track combination.

So I will give it another try...and really hope to finish a race for once.

See you on track cool

Cheers

Peter Dolmeyer

 

 

Phillip Island - June 13 2011

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Another fun race! Was a hard race too though, but that was my own fault, and in the end I got 2nd place. The race had everything for me though, all the fun things I'm on here for, and all the things I practice to avoid doing... But I guess my mind is still suffering from being awake for 42 hours from Saturday morning till Sunday night, because I made some silly mistakes.

Made a terrible start, which turned out to be a good thing, one of the guys ahead of me blinked on my end, and I reacted to that instead of the lights going green, but figured out what I was doing before I got a BF. Then into T3 there was a massive pileup, 4-5 cars I guess, had I gotten a good start, I would have been there.

I settled in behind the leaders, and after a while I was running 2nd, and while I was faster than the guy in 1st, I decided to take him on strategy, so when he pitted, I pushed hard, too hard, because I was still in "slow mode", so I ran wide up the hill before the 2nd hairpin. Lost 5-10 seconds, but almost made it back up before I pitted, rejoined 1.5s behind 1st.

Then on the first flying lap, I forgot I was on cold tires, and lost the rear end in T1, but managed to mostly save it and rejoined in 3rd, then the guy in 2nd ran wide before the last turn, and I could start chasing the guy in 1st. I was pushing as hard as I could, gaining 0.5-1 second per lap, which would put me right behind him on the last lap. When the last lap came, I was right under his rear wing, and I went on his left down the straight, and side by side into T1.

I left him enough room, and we both kept our lines, and I thought everything was fine, till we "hit", neither of us saw any contact and neither of us even got a 0x, but I guess that when you go side by side into a turn at 330 kph, you have to expect weird things. Luckily he didn't get any damage and could take 1st, and I just brought home my second place, after I got back on track.