Post: GT6 Game Physics Testing
04-30-2014, 09:03 PM #1
SiNiST3R
Samurai Poster
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GT6 Physics Testing & Analysis

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Lap Battles
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Here are some videos (I can only add 2 so Ill link post where videos are posted when I can)



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Jounijkk, kazzbakkisback, nextgole, OdeFinn, P$ycho, policedu, q-k, turbo_nova2l, tyronekfc
04-22-2015, 09:13 PM #524
Originally posted by another user
People would be surprised how much faster they could drive high hp fast cars if they master the art of driving low hp cars fast.


This. My usual rides are an S13, Mazda Cosmo, Fairlady SR311. No ABS. I wouldn't say I'm fast, but having an accelerator connected to a couple of hamsters turning a wheel sure teaches you to improve your braking and mid corner speed!
04-22-2015, 09:32 PM #525
OdeFinn
Bounty hunter
@sinister, lack of part "tuning part regulation locking" causes events to run with maximum upgrades, and making totally maximum, meaning maximal weight reduce and limiting that lowest allowed weight to get rid of ballast players, and all parts allowed/mandatory, so maximum HP must be found on all cars, then there is some line to use for equal racing. Then comes problem, there is not so many cars what are easy on full upgrades cheap tires noABS.. Smile maybe some free usable 50kg above Max weight reducing leaves playroom for people..

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SiNiST3R
04-22-2015, 11:46 PM #526
OdeFinn
Bounty hunter
Originally posted by k View Post
The clip makes me want to test the tune. Will it work properly with 1.17? I didn't install 1.18 yet..

Am I the only one in this thread that still needs to drive with ABS=1? Crying


Gearbox would be problematic to setup on 1.17, using gear scales from 4.000 final and then dropping to 3.620.

Tune itself is gorgeous, Ridox imports real-life setups pretty well to GT6. Small questionnaire hanging on air, my LSD theory and Ridox way of interpret real-life LSD values to GT6.
IMO handling still speaks for my theory, that particular Ridox F40 tune is maybe "too stable and easy" if comparing to that how nervous car behavior looks on every videos, reducing lock to support my theory and same nervous behavior is appended to car.. But what you want, freaking great car to play or too realistic hyper nervous HP/Torque monster? I want both, can't put this on side, but still my small inner perfectionist wants that freaky nervous F40 too Smile

ABSless or not, F40 is perfect car to start practising ABSless driving.

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SiNiST3R
04-23-2015, 08:00 AM #527
Originally posted by OdeFinn View Post
Gearbox would be problematic to setup on 1.17, using gear scales from 4.000 final and then dropping to 3.620.

Tune itself is gorgeous, Ridox imports real-life setups pretty well to GT6. Small questionnaire hanging on air, my LSD theory and Ridox way of interpret real-life LSD values to GT6.
IMO handling still speaks for my theory, that particular Ridox F40 tune is maybe "too stable and easy" if comparing to that how nervous car behavior looks on every videos, reducing lock to support my theory and same nervous behavior is appended to car.. But what you want, freaking great car to play or too realistic hyper nervous HP/Torque monster? I want both, can't put this on side, but still my small inner perfectionist wants that freaky nervous F40 too Smile

ABSless or not, F40 is perfect car to start practising ABSless driving.


So, what do you think the lsd would be ? I drift a lot and high lock is necessary to make the drift easier to maintain. Saw ridox f40 replica tune, lsd is high 30 36 36 was it ? he listed lower lsd as well. Will this lower lsd gives more nervous handling ?

I saw some of his replicas, he often give several lsd and suspension setups, some are for easier handling. I think he just want to make the car easier for newcomers and options are always a good thing.

I just got sent the Audi ttrs replica of my own car, he said he will post it soon. Just one word for the car, AMAZING !!!! he gave me very high lsd ( max accell on front wheel ) and it still drives like a dream, what magic is this, holy shit.

To top it, it has more than 60 percent weight in the front axle, close to 2.0 camber which to those glitch tuner at gtp would mean understeer. Some toe in to make it worse, until i drive it hahaha, cant believe how close it drives to my own ride, some understeer but easily cured with gas pedal.
04-23-2015, 09:35 AM #528
OdeFinn
Bounty hunter
@rocketscientist, something sum of 60, quickly tested 27/33/33 and it was close to that nervous what videos showed, next test goes after my coffee is poured, I'm not saying Ridox work as bad on any manner, he is probably only who has understand LSD setup principal in GT6. I'm only standing behind my theory where 1%=1click, Ridox goes 1%=0.6click and he is nyt counting preload in total locking, anyhow his lock works great, because of ratio between accel and decel is desired= correct, and he test initial/preload to suit desired behavior.

Direct translation from Ridox LSD to my LSD would be leaving tested initial alone and changing accel and decel to 30.
Reason: desired lock is 60%2 way lock, 30% is used on initial, so pumping rest of needed 30% to there on accel and decel.
But as I said I have bit problem on cars behavior how nervous or not it is, that why changing preload lower and trying to find bit different movements from there.

Summa summarum, Ridox is best, and I admire his work, my wining here is not ment for real wining, more my inner perfectionist who want it totally right Smile

Edit: tested 30/30/30 and seems even more same as seen on real-life videos from Tsukuba, now it doesn't need 1st gear to go through those tight corners anymore, shifting points and behavior is nearly 1:1 real-life(that 5lap touge F40 had to have longer 2nd gear, I'm running out if matching shifting points), and time stands there close 1:02 flat, but you have to do work to get it there.

Now going to put Oridos own baby on fire, Supra..
04-23-2015, 01:29 PM #529
SiNiST3R
Samurai Poster
Okay, Check this out I have enough respect for Ridox I will extend an offer, but since I cant go to GTP and choose not to make a new acct the branch will have to be brought over

I know Ridox is a research whore and most probably has found stock wheel rate specs of some cars in GT6. I can calculate the wheel rate using the leverage factor. If the wheel rate matches even though the spring rate is different that would mean the leverage factor in GT6 is used to arrive at the proper wheel rate even though the spring rate may be off. We then can use the leverage factor to convert an aftermarket spring rate into a GT6 equivalent. This will insure his GT6 spring rates fully represent the real life spring its trying to represent. Also Roll bars, while its hard to get sometimes we can get the kg/mm or lbs/in for the roll bar, if so this can be replicated (or as lose as possible in GT6) If he finds some real world data for some roll bars on certain cars, Ill provide the stiffness of the bar in GT6 across the adjustments so he can best match the roll bar..

If this turns out to be useful for Ridox I'm willing to share the specs of ANY car in my database of SpecDB data for cars with him for his Garage.


ALSO Ive been putting together a calc like my others to break down the suspension data hidden in the code for analysis.. Something I can input SpecDB data for various cars to highlight the patterns I speak of like the Springs being relative to each other and weight balance and how the Spring rates look as wheel rates. Im also going to work in aerodynamics to show how the springs deal with this like weight in the weight balance.

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04-24-2015, 10:16 AM #530
OdeFinn
Bounty hunter
@sinist3r, do you want Ridox to be directed here, or how?

Ps. Your mb quota is exceeded.
04-24-2015, 01:30 PM #531
SiNiST3R
Samurai Poster
Prob best to do it in PM through a middle man at first. The last thing needed is the FiTT cronies to Dick Ride Ridox for talking to me. Talk to him and see if he's interested in some testing to see if we can translate real world springs into GT6.

I have a database of cars with many cars and I'm putting a short list of cars to add to this database. Its not a quick n easy thing to pull out a cars data from SpecDB, Im very fortunate to have a friend getting SpecDB data for me, if Ridox find specs for a car not in my database I will add it to my short list, my friend is interested in this data going to constructive use and I'm sure will be happy to help.


The new calc is coming along well. After data is analyzed I have it set up where I can lower the vehicle weight and the springs are adjusted to account for the change, along with ride height changes, the calc will adjust the springs to account for any ride height change.

Going further I added a roll coupling adjuster, this allows me to counter ANY roll bar adjustment in Spring Rate so I can maintain roll coupling while manipulating the inside outside grip balance. I use ARB as the adjustment to counter as I Springs have a much wider adjustment range and any ARB can be fully countered where ARB 1 to 7 level is too wide to perfectly counter any Spring changes. .

I have a test car I've been using and testing results with. I'm using the SRT8 Charger PoPo Mobile lol 5.0 yo..

My next thing is to account for increased G from grippier tires and adjusting the springs to the increased load.
04-24-2015, 05:40 PM #532
SiNiST3R
Samurai Poster
PERSPECTIVE

Using the Calc to tune the SRT8 I bring up the Spec of the car to 550pp on Sports Soft Tires. I then brought the SRT8 Silverstone GP for some laps as many are running the GTAcademy Round 1 Event with the Nismo GT-R at Silverstone GP on Sports Soft Tires. I thought it would be good to put things into perspective. There are many cars in GT6 that are a bit underrated for their pp I'm sure everybody can agree the SRT8 Charger is NOT one of them, I initially decided to use the car because on another site some have complained this car is not good getting on throttle exiting corners and the diff was no use and made for an example of the diff in GT6 being all messed up.....



SRT8 Charger at 550pp SS Tires Zero Assist and a G27 is good enough for Gold in Round 1 of GTAcademy and faster than some folks in the GT-R with more pp......

2:09.860


INBOX has had some space added

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