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So many things could influence those different videos. Car setup, the wheel FFB settings and which wheel is being used. All this could also be due to iRacing biasing or propaganda… I will not believe it is so much better until I have tried it. And even though they have a promo for $12 for 3 months (which I still think is a rip-off) because I’m already a member, I am not eligeble for the new promos…
But you know, I’m not gonna go into this again… There were people who thought Windows Millenium was good, and I know a person or 2 who still have Mini-Disks thinking it was going to be a hit….
And, to make the analogy even more pertinent,t here were people who thought AOL wasn’t ripping them off…

Err… it would make a lot more sense to have one driver drive each car. While I can see the differences, it felt like it’s not the same driver driving both cars and that was the case.

Here’s another analogy for you:
It annoys me when people start telling their life story when you just asked them how’s it going.

Also, I was with you until you mentioned “iRacing bias” and “propaganda”. After that everything you had said lost credibility.

Somebody missed their morning whiskey eh?

Actually the new tire model makes smooth driving more rewarding, as someone who prefers to drive smooth it annoys me when half-drift half-grip drivers seem to be much faster in their half-uncontrolled style. Cant wait for august..

Yep

I get that only nascar car has the new system right now, but this track aint the best to show the changes.

Watkins Glen would be much intresting.

its amusing that it takes a 3rd party person to show proper direct comparison videos between old Versus new tire model. 
The E3 video was utterly pointless – it would have made more sense to set up an RBR style piece of tarmac with cones, as a modelled circuit, and demonstrated the tire model on a slalom course in game, rather than driving it on an oval which involves driving around in a circle, thus showing nothing. 
iracing = fail. 

your fail, it means so much more on the oval, creating more lanes to run, and a massive amount of care to be taken on the ovals to preserve your tyres

“showing off the drastic difference…” – My sarcasm detector is going off.
Strange, it’s never malfunctioned before.

What you see in that video is two laps beeing driven more or less the same way, so the difference is that big.

The one on the right seems more like it is driving a road car where it requires a lot o countersteering and adjustment to make up for the tires inability to keep good contact with the road.  And the steering seems way too loose for Road America.  The one on the left seems more like a race car with tires that can keep a decent contract with the road especially on a relatively smooth race track.

I think iRacing has a done a splendid job on what is already a good tire physics (and an even better FFB). 

Lol, for starters that’s two different cars.

Well, the iRacing members forum is appraising the change. I’d say all are positive, not all are yet familiar with it, but mostly those who have tried the new model vs. the old are happy.

From what I’ve seen on the forums, all but one person has said it’s a significant improvement, and probably 5 of the most vocal critics of iRacing within the community have said they have nothing to complain about.

Of course, it would be hard not to do better than the old model ;)

This is a dumb video. The only way to SHOW how different a tire model is vs an older revision would be full text displays and graphs on AI scripted laps in the same car at 1/50th speed. Driving or trying to drive on the line does not count tword the scientific method. Too many variables.

In this comment section, peoople who have not driven the new car.

The difference is completely obvious. Yes, they are different cars, but at the same time, they are still pretty damn close to one another. If you take care to note the input on the wheel, they are completely different. This is not down to different drivers, but the model itself requires COMPLETELY different driving.

The new tire model (NTM) feels much more “in the track” than any other car at iRacing that I’ve driven, including the Kart-esque Star Mazda. Not more “Grippy” but it actually has feel. Sliding and squirming, countersteering all over the place is not the way to do it with the new tires, they will burn up significantly faster than before.

Yea, it’s a flawed comparison if you don’t know the difference for yourself, but it’s truly night and day. You used to have to drive cars (Like the V8 Supercar) like the NW09 shown on the right – so beyond loose and out of control it isn’t even funny – if you wanted to be fast. Yea, it’ll go fast, but it wouldn’t last more than 10 laps in the real world.

It’s such a different driving style that you can more or less take the book of what you knew, and place it into “In worst case scenario…. Try this and hope for the best” section. I’m sure there will be a video at Michigan of the changes side by side, it’ll be pretty obvious the changes there.

Considering to go fast in the NW car used to mean “Turn right, go left”, which is not the case for anyone now.

TBH I’ve wanted to give iRacing a try for a long while now (for V8 supercars mostly), and if I had the appropriate hardware probably would have done so already after hearing how realistic it was hyped up to be, but after seeing the video below last week for the first time, I was blown away, If I needed to drive like that to be quick…. well lets say it wasn’t for me.

If this NTM transfers to all the cars as well as the Nationwide 2011 it may rekindle my interest. But after all the years of “iHype” I’d assumed the NTM is how the game/sim drove from the start.

Is this how people were driving lap after lap in races?
The tyres would be fried after three laps. Please tell me that’s just a flying lap, even if it is, it isn’t remotely realistic, I watch V8 shootouts, that isn’t even a driving style appropriate for a top ten driver, a backmarker or rookie maybe.

If this is so much different (better or not), does that mean the old tire model was completely wrong?
Then I wonder, why wasn’t it possible to create this tire model 4 years ago? I don’t think it’s because modern PC’s have a higher calculation rate and therefore are able to calculate it more accurately, or does iRacing 2.0 have higher minimum system quirements (CPU)?
 
btw I have never played iRacing, I’m a big fan of rFactor. 
The same question goes for rFactor2 I, guess as some of the Devs allready stated they can’t enjoy playing rFactor anymore because of the huge differences in tire model and physics between rF and rF2.

Man, I’m not an iRacer, but even I noticed that the answers for all the questions you asked are in the vid description and comments over here. Yes it was a flier; no it is not realistic; yes, there are people who use abusing driving style to get better lap times (on the other hand, show me a sim where it doesn’t happen); yes, the model will be transfered to other classes. Last but not least, people say trying to drive like that with new model will shread your tyres quickly. Lets wait and see then. BTW, I’m also a V8 fan and If I ever subscribe for iR, it will probably be because of V8s (and Lotus 79 :P).

The old tyre model felt great, but yes it was wrong, but personally I would say less wrong than all the other sims out there (with the possible exception of NKpro). The new tyre model feels so much better and to me with my G25 just feels so much more like driving a car.

The old model was a standard pacejka-type model: fit curves to tire testing data. I think most other top-tier sims are running brush models which model each piece of the tire as a wire brush.

The NTM actually models rubber, steel, and air in the tire and predicts its reaction through elementary physics calculations. It’s a totally different paradigm. It’s not that it couldn’t have been done, but it was difficult, computationally expensive, and tire models hadn’t really reached the limits of the brush method yet.

Nope, that’s the standard fast line, there’s a reason iRacers have been looking forward to the NTM. ;) Basically, everything was realistic… except the tires.

The model mostly breaks down for heavy cars with lots of HP and low-DF. The Indy and F1 are pretty good, but cars like the V8SC are the ones I like to drive. But yeah, come August it should be much better. If it is, I think you guys would enjoy it.

It couldn’t be possibe to create NTM 4 years ago because iRacing is on the market from 2008, old tire model is still quite good, you should try iRacing if you like rFactor, I know I will never come back to rFactor.

Second that. Through iRacing I learned to drive smoothly… as it now gets rewarded even more, it’s perfect for me. If you compare the Nationwide 2011 lap with what you can see on NASCAR Broadcasts from Sonoma, that’s almost 100% the same as what they do behind the wheel, unlike the way it handles right now, which is a bit odd. Prefer iRacings handling still to rFactor, despite I’m quite fast in rF and quite average in iRacing.

This looks promising, much more realistic driving, but also slower, I mean, I just hope is not possible to drive in a crazy unrealistic way with the new tire model. Let’s see.

Thanks for the input guys, I guess I’ll just have to see how the NTM plays out, going by the nationwide video looks like improvements have been made. I’ve waited this long a little longer won’t hurt

I gave it a try tonight finally at Road America… it is just that awesome. No more keeping forward bite when the tail steps out and holding a high yaw through the corner, lockups are more punishing, and it really rewards a smooth less aggressive driving style. Better than what I remember from my short trials of NKP and LFS.

It really is that good, August can’t come soon enough…

I’ve never once seen the V8 driven like that, including by many of the Pro series drivers – afterall, it is / was the Pro car.

http://www.youtube.com/watch?v=f9gAROkWlWc

Only real issue I see is the fact it isn’t planted on exit, which is what you feel in the car in sim as well. The vid originally posted was not even close to the way most people drive the V8, he went into the hairpin sideways ffs. There is sliding, yes, but there is as well in the real series as well.

People are hyped up for the NTM w/ V8 because it isn’t planted at all on exit due to the tires, you basically have to countersteer on exit each corner as seen here. That is what the NTM fixes, and is precisely what we see with the NW car.

Well, coincidently the two replays you posted are from the current number 1 and 2 drivers in the driver’s world championship. :-D

The V8 is very much flawed as it is now but could be a great car with the NTM. The tyres are what make it suck.