Time Trial Discussion

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The results for TT124 at Michelin Raceway Road Atlanta in the Ford Focus RS '18 are over here. I have updated the opening post with the index of all TTs and the second post with the community scoreboards.

Here are some interim statistics for TT125 at Daytona Road Course in the Gr.3.

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View attachment 1423052View attachment 1423054

Wow! There is again a ton of gold distributed over this community as everyone is getting faster, even I... Seeing the Viper dominating makes me thinking about a second try. Special congrats to @jontikis for his result with the McLaren! I will stay at Daytona as it is good fun and offers a good challenge at the same time to climb a few places higher. Ferrari can wait (even when I am not Lewis Hamilton... 😭)
 
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Hi,

I had not put the tires on the Road Atlanta circuit since the first days of this TT.
You all made so much progress that I tried again.
To keep me company, I followed the ghost of @djolliea

My god, that first turn and the flow in the turns that follow !!! :bowdown:

I had an optimal that would have satisfied me entirely, but usual problem for me, difficult to tie them together.

IMG_7647.JPG


I tried to catch up @ScottPuss20 ... in vain.
In any case, yesterday’s session was fun.


I quickly tried the Testarossa at Brands Hatch.
But it was really strange... everything was in black and white... my head detached then a duck in bespoke suit welcomed me to the 3rd space.🦆:dunce:

IMG_7656.JPG


Obviously, I was in a dream of David Lynch (RIP).
No chance to stay ahead of @Vule 😂
Wake up... next return to reality.
Nevertheless, this TT should be fun and I am very happy with the absence of Vision Gt this week.


This weekend, I hope to be able to return to Daytona.
@eggmann , you are now a little too close to me, I’m having trouble breathing 🥵
I don’t forget some competitors who do very good things there.
I have a lot to go on... once again, I will try to bring it all together in one round.

Finally, I feel that the performances are high for everyone and that the challenge is even more exciting at all levels of the ranking.

Bravo
 
You know, it's always hard for me to find a ghost that is half a second to a full second near my time, most of the time I have to find a replay/ghost that's in the top 100-200 and that's not helping me in general. That's taking it 10 times my standard level. It blows my mind and gets me irritated at times. I'll set the offset at 0.5 so I can see it in each Sector. That's the benefit of the reset Sector option. I'm glad it exists in TT mode.
 
I bet this TT will be a popular one since most people are familiar and know this classic Ferrari car. I bet millions of dollars on it. I'm gonna spend a lot of time on this instead of the Daytona Group 3 challenge. It's got a 12-cylinder engine and a lot of positive benefits, so I'm going with this one, here's the proof.


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Reading and studying that makes me motivated to immediately start this, usually I'll procrastinate for a day or two and then begin, but not on this particular one.
 
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Happy New TT day everyone!

Gave Brands Hatch a little go this morning and managed what I hoped is a safe gold at 1:38.878. Generous use of the track limits seems to be the key.

I can keep up with Tidgney's ghost pretty well through the faster sweeping corners, but I'm getting killed in the slow corners - looking at you first hairpin!

I don't know what it is, but I just can't get on the throttle anywhere near as early as the top guys. When I do try to get the power down, it's throttle oversteer and goodnight 😡
 
Happy New TT day everyone!

Gave Brands Hatch a little go this morning and managed what I hoped is a safe gold at 1:38.878. Generous use of the track limits seems to be the key.

I can keep up with Tidgney's ghost pretty well through the faster sweeping corners, but I'm getting killed in the slow corners - looking at you first hairpin!

I don't know what it is, but I just can't get on the throttle anywhere near as early as the top guys. When I do try to get the power down, it's throttle oversteer and goodnight 😡
Are you on motion control (gyro) and do you hold controller in hand or have controller on stand ?
 
I'm certainly not an expert on the motion sensing. When I feel ready, I'll switch back to that option, but this time I changed my configuration/button settings to most of what everyone has. I have to take one step at a time.
 
You know, it's always hard for me to find a ghost that is half a second to a full second near my time
Look into the showcase, search for replays, on an online TT, with the same car and track and you'll find all the replays and times you want, when you find one with the right time, add it to your collection, you'll be able to load it from the TT pre-race screen.

And you are faster than this ghost, go search a faster one.
 
guys @All you gt planet TT ninjas, I am a bit confused about tire temperatures, do they have impact or do they not have impact, I know one of you claim one thing, "restart and lap 1 tires are best" and some claim we need few laps for tires to reach best performance.
Asked Tidggney on youtube and here is his answer.
What are your thoughts, lap 1 or few laps?
View attachment 1423060
I strongly believe it's very much a preferential or subjective thing considering what you feel makes you faster/more consistent. Regarding the actual physics though, numbers don't lie.

Tyre temperatures before 1st lap:
Screenshot_20250123-130132_Gallery.jpg


After 1st lap:
Screenshot_20250123-130136_Gallery.jpg


After 2nd lap:
Screenshot_20250123-130139_Gallery.jpg


After 3rd lap:
Screenshot_20250123-130145_Gallery.jpg


After 4th lap:
Screenshot_20250123-130150_Gallery.jpg


My sweet spot starts around 70°C. Before that, there's understeer on braking/turn in and the rear wheels tend to break lose faster on throttle. Overheating seems to be a thing too - if I'm too aggressive the temp will go too high and result in less grip.

If you're used to running on cold tyres it makes sense to restart for a fresh lap each time to have consistant car performance. And although I believe more grip equals quicker lap times, it's not the same for me with every car/track combo. Sometimes too much grip can result in less slip angle, thus slower lap times.

This was always a thing for me back from the Forza days and even in GT Sport, doing burnouts before the start of an offline hot lap. This started on the Nordschleife, because I couldn't be bothered to wait 6-8 minutes to complete a full lap before starting the actual hot lap. Also did this in the NSX R Sport Mode TT @Nordschleife resulting in seconds of an advantage over starting with cold tyres.

Edit: looking at this from a coding perspective: how would the physics engine know the difference of heating due to wheelspin compared to heat accumulating over time and why would any developer go to such lenghts and program and implement this "feature"? Seems very non sensical and a waste of time. But then again, this is Gran Turismo we're talking about 😅

Edit 2: annoying af that there's no official documentation on this matter and to have to rely on 3rd party apps to read out the telemetry. Why GT doesn't offer decent telemtry and lap stats is beyond me tbh. As long as there's no info from the developer, this will remain a guessing game based mostly on subjectiveness.
 
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Ninjas who are on steering wheel, I know it is a bit off-topic, but I know you aliens will give most accurate answer so I hope it is ok with non topic question, sorry famine and seadog.
When you are turning your wheel, yellow stripe that is at 12 o'clock position on image, how far does it go, to 3 o'clock as maximum, to 4, 5, do you go all the way to 6 o'clock in sharp turns?

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I agree with Tidgney. I almost always restart, so most of my times are lap 1 outcomes. I'm no ninja/alien, but I've had a few top 100 results and over the first 123 TTs have been on average in the top 0.57% of drivers. That of course is not evidence, as I might have been doing better if I do multiple laps, but it is context.
Same here, I restart pretty much all the time and my times are "lap 1" times.
 
Ninjas who are on steering wheel, I know it is a bit off-topic, but I know you aliens will give most accurate answer so I hope it is ok with non topic question, sorry famine and seadog.
When you are turning your wheel, yellow stripe that is at 12 o'clock position on image, how far does it go, to 3 o'clock as maximum, to 4, 5, do you go all the way to 6 o'clock in sharp turns?

View attachment 1423152
It depends.....

I think one of the sharpest hairpins is Deep Forest or Nurbs GP and depending on how well you judge the turn and speed I think I go to about 3/4 o'clock very briefly before unwinding and feeding the power in.
 
Ninjas who are on steering wheel, I know it is a bit off-topic, but I know you aliens will give most accurate answer so I hope it is ok with non topic question, sorry famine and seadog.
When you are turning your wheel, yellow stripe that is at 12 o'clock position on image, how far does it go, to 3 o'clock as maximum, to 4, 5, do you go all the way to 6 o'clock in sharp turns?

View attachment 1423152
Its not something that I have paid particular attention to, but on a wheel you will rarely ever turn to 6 o'clock. I am trying to picture it in my head and I think the main range the wheel position is in through most turns is at 3/4 o'clock.
 
You know, it's always hard for me to find a ghost that is half a second to a full second near my time, most of the time I have to find a replay/ghost that's in the top 100-200 and that's not helping me in general. That's taking it 10 times my standard level. It blows my mind and gets me irritated at times. I'll set the offset at 0.5 so I can see it in each Sector. That's the benefit of the reset Sector option. I'm glad it exists in TT mode.
Go to the Showcase area of the map, replays, set the circuit and car and find replays that way to save to collection
 
Ninjas who are on steering wheel, I know it is a bit off-topic, but I know you aliens will give most accurate answer so I hope it is ok with non topic question, sorry famine and seadog.
When you are turning your wheel, yellow stripe that is at 12 o'clock position on image, how far does it go, to 3 o'clock as maximum, to 4, 5, do you go all the way to 6 o'clock in sharp turns?

View attachment 1423152

The game actually adjusts the steering depending on the car you are in...it's based on the "real" steering ratio of the given car. Ftmp, you'll not be turning the wheel much beyond 3-4 O'clock.
 
I was happy with my RA time and finish of 6600 but was still 86th place on GTP board! Congrats all!

Been fighting the flu since Tuesday, didn't play yesterday and got on this morning feeling slightly better - my whole back feels like a big bruise.

Noticed I had dropped to higher 11k placing and was 23/24 on friends ranking at Daytona with a 1:46.625 time. Put in about 15-laps when I hit 1:45.806. Realized I had about 30-mins to play, went back in and did 22-laps (vast majority invalidated binning the truck stop which invalidates the next lap)

Finished with a MONSTER lap of 1:45.457!! jumped 12 spots on friends board to 11/24 - optimal has me wanting to come back though being 1:45.180 (-0.277 delta).

IMG_1504.jpeg
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IMG_1506.jpeg
 
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Ninjas who are on steering wheel, I know it is a bit off-topic, but I know you aliens will give most accurate answer so I hope it is ok with non topic question, sorry famine and seadog.
When you are turning your wheel, yellow stripe that is at 12 o'clock position on image, how far does it go, to 3 o'clock as maximum, to 4, 5, do you go all the way to 6 o'clock in sharp turns?

View attachment 1423152
You can watch the demonstrations in the lap experience. It depends on what types of car you drive, gr1 cars seldom reach 4 o'clock, but gr3 cars can reach 6 o'clock
 
Another go at Daytona during lunchbreak, no improvement but did enter the 46s again, not as good as my best lap (far from it)

-0.3s in S1 compared to my best
tiny improvement in S2
tiny improvement in S5

TT-Daytona-RC-10laps-8-ford.jpg

Did one lap in BH with the Testa, 1:41, bronze. I'll continue working on Daytona and BH will be secondary.
 
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guys @All you gt planet TT ninjas, I am a bit confused about tire temperatures, do they have impact or do they not have impact, I know one of you claim one thing, "restart and lap 1 tires are best" and some claim we need few laps for tires to reach best performance.
Asked Tidggney on youtube and here is his answer.
What are your thoughts, lap 1 or few laps?
View attachment 1423060
Funny thing is, with the last Nurb GP layout trial i loaded up a dashboard aside, that showed clearly hotter tires after a few laps, but still... almost all of my runs are restarts and lap 1 so i'm very confused about this :lol: :lol:
I'm certainly not an expert on the motion sensing. When I feel ready, I'll switch back to that option, but this time I changed my configuration/button settings to most of what everyone has. I have to take one step at a time.
So you switched to the triggers yesterday and now already know you'll switch back to motion when you feel ready?..... make up your mind buddy, this ain't helping :lol::lol:
 
Regarding the actual physics though, numbers don't lie.

looking at this from a coding perspective: how would the physics engine know the difference of heating due to wheelspin compared to heat accumulating over time and why would any developer go to such lenghts and program and implement this "feature"? Seems very non sensical and a waste of time. But then again, this is Gran Turismo we're talking about 😅
Funny thing is, with the last Nurb GP layout trial i loaded up a dashboard aside, that showed clearly hotter tires after a few laps, but still... almost all of my runs are restarts and lap 1 so i'm very confused about this :lol: :lol:
Couldn't it be possible that while the game tracks tyre temperature, hence it's available in telemetry data, it simply doesn't use it as an input to its physics engine in time trials? Although, to counter my own point, I would then expect it to work the same way for tyre wear, i.e. you can observe it in telemetry, but it has no effect.

In any case, I am also in the camp of people who restart all the time and often have my fastest lap after a restart 🤷‍♂️

In other news, my internet is back. 🥳

Will reactivate the plug-in after I get home from work.
 
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