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Mattesa
S2 licensed
Quote from atledreier :Yeah, it's easy and intuitive to catch the slide, but the recovery is awkward at best.

Look at the recovery in my real car,it's just effortless and intuitive...

http://youtu.be/0JgIK2eUZFI

yeah hoonage.




I need a new PC. Can barely get the tech preview to run.
Mattesa
S2 licensed
Quote from S3ANPukekoh3 :
.... pic of car jumping....

So... do we think that the camber curve throughout the range of suspension travel is only modeled visually or is it / has it always been part of the physics?
Mattesa
S2 licensed
And the M4 is now out. Didn't have to pay real $ for it, and it's a winnable car so don't have to pay CR for it either.
Mattesa
S2 licensed
People get bored of things and that's no one's fault.

Who is innovating in the SIM space? iRacing?
Mattesa
S2 licensed
Only several hours of seat time but so far I'm really enjoying GT6!

The physics are a massive improvement IMO. There is so much more fidelity in the way the car moves. Much more feeling of weight and momentum as is much talked about. The better FWD cars are actually fun to drive now.

In fact all cars seem to rotate better especially in slow corners near the apex. In GT5 every car had an understeer problem in those situations but now the cars rotate through the brake-gas transition like I imagine they should.

The new (real world) track additions are fantastic and look fantastic! Love that there are now many more choice of tighter layouts to play on (Stowe, Brands, Streets of Willow, parts of Bathurst).
Mattesa
S2 licensed
Quote from Mustafur :Because if it doesnt have a decent amount of low end torque, it requires you to rev the shit out of the car to move.

You're just repeating popular sentiment. This is exactly what the VTEC system solves. What you are describing is a high output N/A car without VTEC.

You can look at it two ways... and it is the same... more torque high and low:
  • VTEC is an enabler for torque at high RPM
  • VTEC maintains torque at low RPM
Quote from Mustafur :
It works well with Sports cars and Supercars because they have enough power its not as.much an issue and its ideal for the track, but for an average car with that kind of power band its not ideal.

Again see above. VTEC allows for more torque over a higher rev range. Without it you can pick either low (most cars) or high (race engine that doesn't idle at 800 rpm).

Quote from tristancliffe :I wouldn't mind vtec if the swapped cams at the correct RPM - in the example above, about 3500-4000rpm. Otherwise the engine is producing less power than it is capable of, for no real gain (as economy driving occurs below 3500rpm anyway).

Extrapolate the lines. On the "good" cam you'd be better off quite a lot earlier, assuming the car is mapped for it and doesn't have crazy holes in torque curves (which it won't, as it's hardly highly tuned).

So it's set up to make a change in exhaust note that idiots find agreeable. That's why no educated person has ever liked it.

Now you're talking specific application, but the principle is sound. There's a fair amount of compromise in any consumer product and I don't doubt it affects the choice of RPM switch. Point is, try removing VTEC from that engine and achieve the same torque at low and high rpm on a single cam profile... won't be done and you're at a net loss.

---

Lest you think I'm biased, I'm actually speaking out of envy as an MX5 owner (mk2 previously and now mk3). This car (mk3) has "great" low end torque for around town driving but completely falls on it's face after 5500rpm. A better intake manifold and VTEC (or VVTi-L) system would do wonders to improve torque up high for greater power on the track. Meanwhile the around town manners would be preserved.

Now I'm going to slam the holy GT86. Same 2.0L as the MX5 with high output at higher RPM. The GT86 accelerates faster overall. But did you know it has less power at low RPM than the MX5? it has a huge torque hole around 3000rpm? Must be that biased tuning toward top end power sacrificing the low end. Something a VTEC, VVTi-L engine doesn't have to do.
Last edited by Mattesa, .
Mattesa
S2 licensed
Quote from tristancliffe :You can see on that graph that torque and power drop below 5800rpm. Without the change of cam, the difference would be about 20hp, perhaps less.

Vtec is just a way of selling cars to idiots.

Seriously?

So clearly you understand the power deficit at high RPM without it so why exactly is it for idiots? Because it's cool to rag on VTEC due to it's association with idiot internet blowhards?

I think it's great. It should be on every N/A car. Why not have a flat torque curve instead of one that's biased toward low end torque (most cars) and then runs out of steam up top?
Mattesa
S2 licensed
^ that's quite neat. I suppose that could yield reasonable approximation if that's all there is to it.
Mattesa
S2 licensed
It's not possible to really simulate it unless Nissan divulges their proprietary algorithms controlling how torque is distributed.

Hence I have no interest in driving cars like the GTR in a sim. Same goes for Ferrari cars and their fancy ediffs. A dev can't simulate that because it isn't physics. It's someone else's code.
Mattesa
S2 licensed
I haven't noticed it in the 370z...(yet?) but what I'm talking about on GT5 feels like full on snap oversteer upon release of the brake (in setups that do it). Noticeable on medium speed corners... say entering the last corner on Tsukuba.

My stance on this is that it never ever happens IRL.

Maybe we're still not talking about the same thing.
Mattesa
S2 licensed
Quote from Mustafur :Not exactly, its a combination of braking and jabbing the handbrake at the same time.

I don't think the handbrake has anything to do with it. My deduction on this is based on trying the setups posted on GTP by people with decent lap times and looking at the telemetry on replays. I don't think it's that way intentionally but it's there. A well timed brake release gets the the car rotated enough to not push wide, yet not get sideways, and lets you get on the gas sooner.

I myself am not fast and can't do it with with any consistency but when it does happen it's awesome.
Mattesa
S2 licensed
Once the folks have a chance to create setups, I want to know whether brake release oversteer has been done away with. Have always thought it to be super unrealistic but the time trialers all seem to rely on it to nail slow tight apexes.
Mattesa
S2 licensed
^ Still not a fan of fantasy cars.
Mattesa
S2 licensed
RWD road car version of NKP.

So dreams CAN (possibly) come true. Good to know.
Mattesa
S2 licensed
Yes in fact I do have a lot of experience in snow. In a variety of cars. Last 6 years of which in a 2400lb RWD vert that doesn't even have ABS. So you can choose to believe that I personally have not experienced a noticeable lightening of steering effort when understeering, or ignore it.

As a point of reference I find that the effect in NKP is hugely exaggerated and I have never experienced anything of that sort in a real car. Not even in snow, which to be honest is not where I would expect it to be most pronounced.
Mattesa
S2 licensed
Steering wheel lighten with understeer? I still don't believe that as a real phenomenon.
Mattesa
S2 licensed
Please be advised, update 2.06 is now out.


Among the long list of changes, the only important ones are:
  • Improved FFB for wheels (documented)
  • Tweaked physics (undocumented)
The result is:
  • FANTASTIC
The improved FFB fixes all my complaints about GT5's FFB. It feels way way way more natural. The forces build more naturally. The wheel does not unwind in a weird way like it used to. It's less springy. More hydraulic feeling than the electric rack in a F30 3-series (...lol). I also feel less gear lash than before. The wobbling on center issue is gone.

Whatever it was they did with the physics has resulted in much improved behaviour in the way the tires bite in oversteer situations. It is FAR more progressive now than before. There is more area to play in. Snap back / tankslapper is much reduced (BETTER). Combined with the FFB improvements it is a win win win.
Mattesa
S2 licensed
Back of the grid is ridiculous. DQ from Q3 at most.
Mattesa
S2 licensed
Quote from sinbad :Weight shift is probably my biggest gripe. Tyres do not load/unload enough as the car is turned/braked/accelerated. Lift-off oversteer does not really exist in GT5.

I've never driven a FWD ouside a license test so I can't speak to hot hatches, but lift off is definitely present to various degrees on the RWDs. Some cars are more lethargic than others, but maybe that's an issue of default setup.

As for weight shift, trail brake deep into the corner with ABS off and watch your replay as single wheels lock up when the tire unloads. There's also lots of suspension movement with each wheel that somehow doesn't translate well to body movement on replays. I suspect its the camera moving with the car?
Mattesa
S2 licensed
Quote from sinbad :...but the physics won't wow you if you know better.

What's lacking and how does it affect your experience?
Mattesa
S2 licensed
I'd love to see more fixed car TTs. Like they one they did with the GT86. Having to run obscure non-premium cars because that's what's fastest isn't as satisfying.

And love how easy it is do DL the leader's replay and do telemetry comparison.

Also like to add, that contrary to my earlier posts, my relationship with GT5 has flourished and I'm really loving how it drives. Physics do feel adequately nuanced, cars feel supremely distinct, and the bite feel of the tires remind of real.
Mattesa
S2 licensed
Quote from Mustafur : ...Lotus seemed to always had pace only hindered by bad luck and bad strategy.

They had an amazing run this race but I'm not too bullish on them. It's too hard to judge relative performance during the race because of different strategies and different rates of tire deg.

For example, after the last pit stops it looked like Kimi was loosing touch with Vettel. Mid way through he caught up again, only to once again fall back near the end. And what was up with the "only chance" of passing Vet? So who actually has the faster package? Hard to say.

Much easier to judge in qualifying where everyone is on equal ground. And in qualifying the Lotus is not consistent in challenging for the first few grid slots.
Mattesa
S2 licensed
Quote from Mustafur :I disagree, from this point on we have no idea what the **** is going on.

No one has shown that they understand the tyres yet for a period of time, so there is no real indication of whats going on.

From a pace perspective it's pretty clear to me that McL has it the most consistently so far. Ferrari doesn't. Merc, RB, Lotus are somewhere in between and possibly in that order. I can make no claims as to how that'll play out in future race results... Which is why I'm lovin this season so far.
Mattesa
S2 licensed
For a dog of a car Alonso sure is doing well... So far.

The pecking order still seems to lead with McL, despite what happened today.
Mattesa
S2 licensed
Quote from Postman Pat :Tend to agree. It's a cliche that anyone can get close to top RL racers' times, but it's that little extra that's so hard and separates the talented ones from the rest. A lot of that is about being able to feel subtle changes in the car that even the drivers themselves can't consciously describe. ... Sims can be useful training, but aren't going to give you the stuff where real talent comes to bare.

I used to agree, but now I don't think it's as clear cut.

IMO sims have gotten realistic enough that you're really activating the same thought process, same reflexes, and the same level of precision timing that you would in a real car. The details are different, but the requirements to be good are the same.

Notice how fast drivers are fast drivers no matter what SIM it is? No matter what track? No matter what car it is? Real life is just another sandbox, a new car, new setup. Yes you will be faced with changeable conditions... so you'll learn to cope with changes faster.

At the end of the day, it's one steering wheel, two or three pedals. You can learn to synchronize the use of them to be fast in a good SIM, on different tracks, different setups, different cars... you can do it in real life.
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