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Francky
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Francky


Nombre de messages : 2556
Age : 34
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Date d'inscription : 10/12/2008

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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeJeu 11 Sep - 14:06

Ben c'est que Assetto essaye de jouer dans la court des simulations, il est cool... Mais à mon sens, j'aime bien jouer à AC pour le fun, pour vraiment essayer des voitures etc! Mais sur une vrai course... C'est iRacing loin devant! Tu as moins souvent de fun, mais quand tu en as que tu te tir la bourre avec quelqu'un... C'est un mélange de fun, de stresse, de pression... C'est inégalable.

Je me suis dis je vais roulé en catégorie B pour passer A, je vois une catégorie avec la Porsche, je me dis cool c'est un vrai vélo cette voiture! Sauf... C'est pas la version track, j'arrive pas à la conduire. Je suis allé en V8SC faire des qualif sur Motegi, j'ai fais 1:23:6xx en quoi 10 tours, les records sont en 1:21 en course! Par contre les mecs en qualif font 1:17... Je me demande comment ils font pour gagner 4s sur un temps de course...

Je vais voir pour faire la course cette après midi, ça peut être drôle c'est de nuit en plus.
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeJeu 11 Sep - 17:50

Par contre, le problème avec les mises à jours.... !

Quand j'avais fais ma course sur Bathurst, j'avais un set' trouvé sur le net qui m'allais bien, enfin j'en ai trouvé 15 que j'ai essayé et il y en a un qui me bottais bien, avec celui-ci et un entrainement... Faut dire se qui est, très intensif... Je faisais 2:10 sur Bathurst !

Suite aux majs, mon setup marquait "FAILED" donc je ne pouvais plus rouler avec, et là avec un autre set' que j'ai bien en main... Je fais 2:15..... Et je galère vraiment, alors quand je vois que sur Motegi je suis pas pire, je me dis... Sois le set n'est pas adapté pour Bathurst malgré que le comportement de la voiture me correspond assez, sois.... Bordel j'étais entraîné comme un ouf à cette époque! :D En même temps 2:10 sur un circuit bien sinueux et long quand les meilleurs font 2:05 avec une caisse si délicate... J'étais pas mauvais, bon 2.15 là je suis mauvais par contre.
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeJeu 11 Sep - 21:29

En Nascar en fait faut que j'arrête d'être aussi con... ! En road quand je vois un accident je me dis je freine pas je vois si ça passe, bon ok les accidents sont pas hyper commun non plus.. En Nascar si, et donc cette politique je devrais peut être l'arrêté, j'étais partie 12eme j'étais dans le top 5 j'ai pas voulu freiné j'me suis pris une auto que j'aurais peut être pu éviter si j'aurais ralenti.

Fais chier j'étais près à payé pour me prendre le pick up Nascar car j'aime bien ça, mais faut être C.... J'en suis loin


EDIT: Commencé 14eme, fini 8eme. Là c'était une course propre, j'avais les moyens d'allé 6ème... Mais pas assez le temps, il y a celui derrière moi qui tout le long de la course était entre 0.3 et 0.1 derrière moi, je voyais rarement son pare choc complet XD et il me suivait tout le temps à la trace toute les voitures que je doublais il le doublait aussi! XD C'était assez drôle.
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeVen 12 Sep - 16:40

Je sus tombé sur un petit con je crois. ça faisait 5 tours au moins que j'étais au cul de quelqu'un, avec un autre au cul, à chaque fois il ferme la porte se met à l'intérieur impossible de le doubler, jusqu'à la normal...
Vient le moment ou celui derrière moi s'impatiente à plusieurs reprise, celui devant regarde pas se qu'il fait je plonge dans la petite porte à l'intérieur, mon spotter dis OUTSIDE, à ce moment là donc celui de l'autre lui dit OUSIDE, il me ferme brusquement la porte, vu que ça tape l'arrière de son véhicule et moi l'avant, je repart sans problème, lui moins.

Ou est le problème? Il m'a insulté. WTF? Mais Giga Genre
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeVen 12 Sep - 18:35

C'est presque... Trop facile. Il n'y a plus besoin d'aller a la fin d'une saison pour changer de classe, du coup je suis déjà D en mode oval.
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeVen 12 Sep - 23:35

Tu vois c'est pour se genre de chose que je regrette l'Anglais, car en plus d'être utile c'est sans doute intéressant.

Matthew Nethercote a écrit:
The definitive V8 Supercar setup guide (last updated 10th March 2014)
- Written by all of us!

iRacing - Page 11 Fordv8sc

There have been a number of really helpful V8 setup related threads lately, so what I'm thinking is why don't we compile all this great setup info into one thread - so over time we can get the thread stickied and keep it up to date so it becomes a single point of reference for all things V8 setup related?

This setup info thread is a community driven resource, so if you feel knowledgeable in any of the areas listed below and are able to write a section as it applies to the V8 Supercar, please go ahead and then just paste it back in the thread and I will update the first post along with your name and the iRacing season # as soon as I see your post. That way the setup guide can be kept up to date as the info evolves over the iRacing seasons as physics changes are made to the car.

Introduction

- General info on driving the V8
(Robert Hartley <a href="https://www.facebook.com/pages/Powerbond-Racing-Team">Powerbond Racing</a> 2013S1)
Remember that at it's core it's a big, heavy, under-tyred, under-braked, solid rear axle, road car with some aero bolted on. So it's going to tend to understeer at corner entry, oversteer at exit and not want to stop.
So back it up; brake a bit earlier, turn in earlier and hit the apex. Then slowly get back onto the throttle. Never stab it down like a bunch of flesh eating ants have crawled up your leg and started knawing.
Try to avoid the kerbs (and the grass) until you know you can catch a slide. This beast doesn't like uneven grip, so make sure you're pointed straight ahead before you're at full throttle.
Smooth inputs = smooth outputs. Make the car flow and you'll be rewarded with faster times. She doesn't like being overdriven and will punish you after 5 laps in a race if you're asking too much of the tyres.

Neil Crompton, Townsville 2012 V8 Supercar TV coverage commentary a écrit:
“What you really notice about a v8 supercar relative to other cars is that [you cannot] take too much speed into the corner in this car, you need brake it very straight, very square and very hard to a lower target speed than your mind wants to. If you rush at the corner and put the steering lock on the car they push wide and what that does is delay getting the throttle on in the next segment of the race track.

It’s a question of trying to brake late but also trying to get the car slowed down enough, hustle it through the corner and get the throttle on early for a fast exit speed down the next straight”.


- Analysing your driving e.g. its not all setup
(Robert Hartley <a href="https://www.facebook.com/pages/Powerbond-Racing-Team">Powerbond Racing</a> 2013S1)
Where to start?
I'm going to recommend two tools. Well one tool and one book.
The tool is iSpeed. http://www.nessoft.com/ispeed/
iSpeed comes with two little programs that have helped me greatly in every car. The HUD is handy for split times and pace information. Although some of this is built into iRacing anyway, it's still handy if you want it bigger, laid out differently or on another device (like on a phone, how I use it). There's also a neat little live fuel indicator built in that tells you more accurately how many laps of fuel you have left. It's not 100%, but it's good enough that my engine only just sputtered as I crossed the line at Zolder this season.
The second program is even more valuable. iSpeed's Lap Analyser enables you to load a graphical view of your lap against anyone else who is using iSpeed. You can see driving line, throttle inputs, brake inputs, steering angles, lateral acceleration, just to name a few. You'll soon see why that driver is getting through Turn 1 at Suzuka quicker than you.
There's a wealth of info in the forums on how to use it more in depth, including this http://www.schulzworld.com/images/iRacing/docs/one_second_at_a_time.pdf. Highly recommended reading.

Next the book. (Ack, a book? Why not a PDF? I've tried. I couldn't find it. I bought it. It's worth it)
It's called "Going Faster: Mastering the Art of Race Driving" http://www.amazon.com/Going-Faster-Mastering-Race-Driving/dp/0837602262. by Carl Lopez.
I'm only about a third of the way through this book, reading bits here and there when I get time and I've learned a heap from it (and gotten a little quicker). If you're a real life racer, or an alien, then this book might not be worth the outlay. You'll likely already know it. But if you're a hobbyist, enthusiast or even just a casual viewer, I'd give it a try. We spend significantly more on the computer, wheels, pedals, seats, shifters, triple screens, subscription and everything else. For under $30 I reckon it's a decent investment.

Next?
You can get into Motec/Atlas, but that's more about tweaking setup. Sure you can load up your laps and compare one to the other, but I'm thinking if you're at that stage, you're not reading this guide anyway. There's plenty of forum threads covering them in the Telemetry section anyway.

That's probably enough from me.

This is what I've learned in the 18 months - 2 years or so I've been racing the V8. I've gone from a struggling 3rd splitter, to a top ten top splitter using these tools. I'm not saying I'm the best (some guys have improved quicker) or that this is the only way to do it, but it's how I got better.

Creating A Setup

- Baseline Setup
(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
Very good, however the front pressures are way too high. Look at having around 138-145kpa starting pressures all round, depending on the track and weather. 5 laps around any track will give you an indication of which tyres to pump up and which to drop off.

- Straight line Speed
(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
Having almost no variance between the front and rear ride heights will give you alot more straightline speed than having a wide variance.
Aim for no more than 10-20mm difference between the front and rear ride heights. Keeping the rear wing at maximum values still seems to be the way to go, as I haven't found any benefit running it lower. You end up maybe 1-2km faster down a straight, but your grip through the corners is alot worse.

- Corner Entry*

- Mid-Corner*

- Corner-Exit*

Settings Reference

Diff ratio & Rear Wing

- Rear end ratio
Settings: 3.75, 3.50, 3.25, 3.15
3.75  is the shortest gearing = faster acceleration, lower top speed.
3.15 is the tallest gearing = slower acceleration, but higher top speed.
iRacing - Page 11 Rearendratio
(Joshua Muggleton <a href="https://www.facebook.com/transtasmanracing">Trans Tasman Racing</a> 2013S1)
Adjust this at each track on the longest straight. You will need to make sure that you aren't hitting the limiter for too long at the end of the straight. Also consider what will happen in the draft of another car, if you are hitting the limiter, then you probably wont be going faster than the car ahead and wont be able to pass.
(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
As Muggo as has said in the first post, more often than not you get the best results by matching the top of 6th gear with the longest straight. However for some tracks, and definitely depending on the weather, I have run alot longer gearing in order to either save tyres, or save fuel. E.G at Brands this season, you could easily use 3.50s or 3.75s, however I ran with 3.25s.

- Rear Wing Setting
Settings: Min: 8  Max: 18
iRacing - Page 11 Wingsetting
(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
Currently the physics make changing this setting from anything other than 18 a waste of time, so don't touch it!

Brakes

- Front Brake Bias
Typical setting range: Min: 64%, Max: 68%
A lower number means more rearward bias (rears will lock first).
A higher number means more frontward bias (fronts will lock first).
iRacing - Page 11 Brakebias
(Joshua Muggleton <a href="https://www.facebook.com/transtasmanracing">Trans Tasman Racing</a> 2014S1)
This is all down to feel and driving technique. I usually set the brake bias around 65% and then move forward or backward depending if i'm locking fronts or rears. Remember this can also be helped to use the car turn on trial braking so move rearward if this is what you are looking for.
**Note** Big blips on downshift can help against locking rears into corners.

Roll bars

- Anti-Roll Bars (ARBs)
Settings:
Front   Min: 20mm   Max:  60mm
Rear   Min: 0mm      Max:  40mm
iRacing - Page 11 Frontrollarb

(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
For best results I've found running 60mm on the front, and 24-38mm on the rear, depending on the track. If the car really needs more front grip I will lower the front maybe one or two clicks.

(Matt N - <a href="http://oceanicsimracing.com/">OSR</a>  2013S1)
Anti roll bars perform 2 main functions: (1) Resist body roll, by resisting body roll we try to maintain the car in a relatively stable platform. (2) Tune the handling balance through transfer of weight between both the inside and outside tyres at the same end, and also the front/rear balance. Speaking in generalities:
- Front ARB
 * Softening the front ARB will give you more front end grip with better turn-in, but it can also have a negative effect of unsettling the rear.
 * Stiffening the front ARB size reduces front end grip, but can help to settle the rear off the corner.
- Rear ARB
 * Softening the rear ARB will give you more rear end grip off the corner.
 * Stiffening the rear ARB will give the car more turn off the rear, with the ability to hold higher mid corner speeds, but it will also make the car want to fry the rear tyres if you aren't careful on the throttle off the corners.
 
** The stiffer the anti roll bars are, the less compliance the wheels will have with bumpy sections of the track, so you might need to play with brake bias if you start locking up one end more than the other after bar changes.
** Also remember you then have the in car adjustable settings to play with once you have the in garage bars set.

- In Car Anti-Roll Bar Setting(ARBs)
Settings:  Min: 1 (soft)  Max:  5 (hard)
iRacing - Page 11 Frontrollarbincarsettin
(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
As a rule I try to keep these at 3 and 3 when in a race setup. This gives you the freedom to change the front or the rear based on how the car is feeling. In Qualifying they can be very useful in finding those fractions of a second when you're happy with the overall feeling of the car.

- ARB Preloads
iRacing - Page 11 Arbpreload
(Joshua Muggleton <a href="https://www.facebook.com/transtasmanracing">Trans Tasman Racing</a> 2013S1)
We generally try and get these as close to 0.0 as we can. once you have the ARB's set how you want them, you can adjust the pre-loads by playing around with the perch offset to get these values as close to 0 as possible.
(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
I tend to approach these differently to Muggo. The rear I can never get to 0.0 due to the high rear roll bar, but I will often try to match front corner weights by manipulating the front preload, in either negative or positive directions.

Roll centres

- Front roll centre
Settings:  Min: 30mm  Max: 90mm
iRacing - Page 11 Frontrollcentre
(Matt N - <a href="http://oceanicsimracing.com/">OSR</a>  2013S1)
The front roll centre adjustment helps control how weight is transferred between front and rear in roll. It has most effect on on-throttle steering during mid corner, and corner exit.
* Lower the front roll centre for more on throttle turning, more oversteer - best on smooth high grip tracks with long fast corners.
* Raise the front roll centre for less on throttle turning, more understeer - use on tracks with quick direction changes (chicanes).
(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
I usually run with this between 80-90mm.

- Rear coll centre (Watts Link height)
Settings:  Min: 152mmMax: 305mm
iRacing - Page 11 Wattslinkheight
(Matt N - <a href="http://oceanicsimracing.com/">OSR</a>  2013S1)
The rear roll centre (Watts Link Height) adjustment helps control how weight is transferred between front and rear in roll, it affects both on and off throttle handling in all cornering phases (turn in, mid corner and exit).
* Raising the rear watts link height gives the car more turn (promotes oversteer) by tilting the roll axis towards the front. The car will be more responsive - use on higher grip tracks, or when quick direction changes are required.
* Lowering the watts tilts the roll axis towards the rear, helping the car with more traction on the rear and to aid looking after the rear tyres on lower grip tracks (promotes understeer).
(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
Depending on the track, I will never run this lower than 250mm, and will always try and get it to 305mm as much as possible.

Weights

- Ballast forward (nose weight)
Settings:  Min: -1mm   Max: +1269mm
iRacing - Page 11 Ballastfwd
(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
Of late, I've run with -1mm all the time.

- Cross weight / Corner Weights  
(Joshua Muggleton <a href="https://www.facebook.com/transtasmanracing">Trans Tasman Racing</a> 2013S1)
Aim for 50% cross weight.

Tyres
iRacing - Page 11 Tyresr
- Tyre Pressures & Temps
(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
Still haven't figured this out. At Bathurst last season when it was cold, my best laps were done with last hot pressures around 175kpa, instead of the usual 190kpa. The main thing with tyres is avoiding them getting hot. As soon as you go over about 116 degrees celsius, the tyres go to mush. Need to find a nice balance between the pressures and cambers.
(Clayton Brooks <a href="https://www.facebook.com/AnzMotorsports">ANZ Motorsports</a> 2013S1)
For me and my team mates we have a general rule that no matter what we do in the V8 that when we get out of the car after it be a qually run or race run we always like the tyres to be around 190kpa as the "Last Hot Pressure".
* So by that if you are to do a race run we will start with cold tyre pressures of around 135kpa and it seems to come back around the golden 190kpa mark.
* For a qually run you need to put the last cold pressures at around 165kpa and do a 20sec slower out lap making sure you don't heat them up or scrub them sideways. They should come back at 190kpa.
The 190kpa seems to us to be the ultimate grip level in the V8 but other people may have different ideas. Every time the tyres gets over 200kpa the car just likes to slide to much. The tyre temps seem to be completely irrelevant in this build. I don't even look at the temps. For example this week I have tried a few different settings with varying temps but my times don't change.

Suspension & Steering

- Steering Ratio
Settings: 10:1, 12:1, 14:1, 16:1
The higher the ratio, the more you need to rotate the steering wheel to turn the front wheels the same angle as compared to a lower steering ratio (with 10:1 being lowest, 16:1 being highest).
iRacing - Page 11 Steeringratio
(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
10:1 is great for catching slides, but makes the car twitchy. 12:1 gives the car a more smooth but less responsive feel, and catching slides is alot tougher, however due to the less responsive inputs, I reckon tyre life and wear is alot better over a stint, its just harder to drive than the twitchy 10:1 ratio.

- Cambers
iRacing - Page 11 Camberc
(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
Camber range for me this season has been about 2.0-2.8 depending on the track.
Pretty important part of the cars durability over a race stint. The higher the camber the hotter your tyres will be and the less grip you'll eventually have. Really good for maximising grip on the fronts, but important to find the balance between camber and tyre pressure. A good thing to look for is to do a stint and try and make the front inside and middle tyre temps and tread remaining relatively close, within 3-5 degrees. Its all about getting that contact patch nice and big, but not too much that you cause more friction and burn the tyres up. Also I try and aim for the same tread wear remaining on the inside and middle of the tyre. Others might do it differently.
An important thing to remember is that you want to maximise contact patch in corners, and too much camber won't utilise the outside of the tyre on the lower load corners, but too little camber will overload the whole tyre on the higher load corners and scrub more.

- Caster
iRacing - Page 11 Casterd
(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
I haven't deviated from +16.0 caster for the past two seasons. Changing it changes the characteristics of the feedback and feeling through the wheel, so I try and keep this the same at all tracks.

- Toe-Ins
iRacing - Page 11 Toeins
(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
A good thing to change when you want a bit more turn in at the front, or more stability in the rear.
Normally run between -1 to -5 on the front, the more negative the value the more responsive the front is on turn in.
Usually run 0 on the rears, however it can be beneficial to run +1 to help stabilise the car on bumpy tracks.
The higher the number of toe on the front or the rears the more your overall straightline speed is affected, so on high speed tracks its better to use lower values.

- Spring Perch Offset: Ride Heights & Rake
iRacing - Page 11 Springperchheight     iRacing - Page 11 Rideheights
(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
Rake = the difference between the front and rear ride heights.
There is no rake bug anymore, rake now acts in a more realistic way i.e. try to keep a difference of 0-20mm between the front and back of your cars ride height.

- Springs
Settings:
Front:  Min: 65 N/mm  Max: 210 N/mm
Rear:   Min: 37 N/mm  Max: 130 N/mm
iRacing - Page 11 Springrate
(John Emerson <a href="https://www.facebook.com/TTLRacingTeam">TTL Racing Team</a> 2014S1)
Now that the rake hack has been fixed, rear springs are usually around 60-70nm, fronts are around 170-190Nm for me.
Probably the first major thing you should adjust when looking at car balance and handling. It will have the biggest impact on the car, even one click can have a large effect. Softer rear springs will help drive out of the corners, stiffer rear springs will help with turn in and rolling speed in the corners.
Front springs give more grip when run softer at the front, but can hurt mid corner speed if too soft and bog your car down.
The car tends to like to be set up fairly stiff at the front, and can vary from soft to stiff in the rear.

- Dampers

Citation :
Understanding your Dampers: A guide from Jim Kasprzak

http://www.kaztechnologies.com/fileadmin/user_upload/Kaz_Tech_Tips/FSAE_Damper_Guide-_Jim_Kasprzak_Kaz_Tech_Tip.pdf

The dampers can be a key part of your suspension tuning tools. Unlike springs and anti-roll bars that generate force with displacement, dampers generate force with velocity. This gives them two unique properties that are highly useful;
1) They control the RATE of weight transfer by the springs and anti-roll bars, and
2) They work like dynamic springs.
When controlling the rate of weight transfer the dampers are timing devices, delivering or removing load at the right time in the corner to maximize the grip of the tires. As dynamic springs, the dampers momentarily work like springs, exerting force based on velocity instead of displacement.
With these properties the dampers are very influential to the handling characteristics of the vehicle during transitions. These transitions include braking, turning into the corner, transition from turning to acceleration, and acceleration.

This information is courtesy of Jeremy Spiering from this thread: http://members.iracing.com/jforum/posts/list/2466606.page
Jeremy Spiering a écrit:
One way I like describe dampers are momentary or transient springs. In steady-state conditions, such as a car going around a skid-pad, dampers have basically no effect.  However under transient conditions as corner entry and corner exit, the dampers react similar to a spring, but only momentarily.  So a stiffer bump damper in the rear will make the car initially have less grip at the moment you turn-in for a corner, but once the car is in mid-corner, this effect lessens or even goes to zero.  Also, unlike a spring, which is linear and produces the same force in bump and rebound, the damper can produce different forces under bump and rebound.  So while stiffer bump causes an increased resistance to upwards movement of the wheel, a stiffer rebound reduces the speed at which the wheels can move back down (although you probably want to think in terms of increasing or decreasing forces at the contact patch instead of upward or downward movement of the wheel).

AND

Bedros Magardichian a écrit:

Let's pretend we have a flat 90 degree right corner, and the car drives the line below.

iRacing - Page 11 Images?q=tbn:ANd9GcQt89hYIKztRESzIs0nyuV7EPgs9EvVKRw1lbq_hqS7pXZkNEO54eL_HjwcvQ

What happens to each damper when the car travels from:
1. Approach to turn-in
2. Turn-in to apex
3. Apex to corner exit

What happens to the weight transfer in 1,2, and 3?

Jeremy Spiering wrote:

1. Approach to turn-in
Assuming the car is breaking in a straight line at this point, both front dampers are in compression (bump) and both rear dampers are in rebound (droop). Assuming at this point we are in steady state braking, all four dampers have very little effect, since they only effect transient conditions (when there is a velocity component to the dampers).

2. Turn-in to apex
As the car turns in, the left side dampers begin to compress, while the right side dampers begin to go into rebound. This isn't always true, but generally, it is. Since we have just started to turn-in, the dampers are moving (they have a velocity component to them) so they will effect the weight transfer. Stiffer front-left damper in bump will cause more weight to initially shift to the front left tire, which in turn means less weight will transfer to the rear-left tire. In general, this will cause less grip to the front end make the car tend more toward understeer. This may seem counter-intuitive, because you think of increased load giving more grip, but you must remember the load-sensitivity I mentioned in an earlier post. While it is true you are gaining grip on the front left tire,you are losing more grip on the right(inside) front tire than you are gaining on the left-front tire. So the total front-grip of the car is less when more weight transfer occurs across the front tires. Like everything this isn't always the case, but speaking in generalities, it is true.

3. Apex to corner exit
From apex to corner exit many things can happen to the dampers, but generally as you unwind the steering wheel and straight out the car, the left side dampers begin to reverse direction of travel and start traveling in rebound, while the right-side tires begin to move into compression. Also remember you are probably beginning to accelerate, so there also the effects of weight transfer shifting rear-ward, causing the rear-dampers to go into compression, while the front tires go into rebound. The only way to know for sure which dampers are in compression and rebound is to take the combined lateral and longitudinal accelerations caused by cornering and accelerating.

As you increase bump on any damper that is in compression in the examples above, you are causing MORE load to initially transfer to the tire.  

As you decrease bump on any damper that is in compression in the examples above, you are causing LESS load to initially transfer to the tire.  

As you increase rebound on any damper that is in rebound in the examples above, you are causing LESS load to initially transfer to the tire.  

As you decrease rebound on any damper that is in rebound in the examples above, you are causing MORE load initially transfer to the tire.

To tune your dampers:

1.  Determine what handling characteristic you want to change
2.  Determine the direction of travel of each damper in the situation you want to fix
3.  Adjust the damper to increase or decrease the load at the tires using the examples above

For instance, lets say we want to dial-out turn-in understeer.

1.  Turn-in under steer is the handling characteristic
2.  While turning-in to a corner, the inside dampers are in rebound, the outside tires are in compression
3.  Soften front compression on dampers to decrease initial load transfer to front outside tire, which will give an overall increase in front grip, which might help cure turn-in understeer.

There is a lot more to it, but this is a good start.

- Front Bump*
Settings: Min: 0  Max: 32
iRacing - Page 11 Bumpstiffness

- Rear Bump*
Settings: Min: 0  Max: 32
iRacing - Page 11 Bumpstiffness

- Front Rebound*
Settings: Min: 0  Max: 32
iRacing - Page 11 Reboundstiffness

- Rear Rebound*
Settings: Min: 0  Max: 32
iRacing - Page 11 Reboundstiffness
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeSam 13 Sep - 6:50

J'peux te faire une trad en direct des principaux trucs.
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeJeu 18 Sep - 20:20

http://110.imagebam.com/download/1rw9Xuu4qH9Z3DtJ0DAmGg/35212/352118431/Screen%20Shot%202014-09-18%20at%2017.47.39.jpg

Je me sens seul a avoir roulé sur Motegi.




http://www.imagebam.com/image/3f532b352118853

Tout est dit la dedans...



https://youtu.be/g48uvnUOZbo

Je valide les outils de iRacing pour les vidéos.


Dernière édition par Francky le Mar 23 Sep - 22:54, édité 1 fois
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeSam 20 Sep - 12:14

Ancien réglage
iRacing - Page 11 160475chrono

Noueau
iRacing - Page 11 885516chrono

Premier tour en mode session qualif (moins d'essence, + de pressions de pneus)
Sans dec la régularité est pas mal là ! J'ai arrêté quand j'ai fais 1:34 c'était que j'avais freiné pas assez, mais je pense la série des 1:33 je la continuais encore.
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeSam 20 Sep - 13:15

Pas mal en effet, t'as quoi comme classement actuellement ?
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeSam 20 Sep - 23:03

https://youtu.be/QtHlgMMp0Cw?t=4m20s


Les ravagés.
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeDim 21 Sep - 9:50

Purée c'est beau. Je pourrais mater une course entière comme ça.
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeMar 23 Sep - 9:31

Citation :
Once again we'd like to thank you for taking the time submit your protest.   This email is to inform you that the protest has reviewed and the member under protest notified of the outcome.

Ninja


Citation :
“I also guarantee that we won’t be resting on our laurels," he continued.  "We expect to release our new team/driver swap feature in late October, and we’ll have Monza, Gateway Motorsports Park and the Holden Commodore VF V8 Supercar available by the end of the year. And that’s just for starters. Development will never be finished.  We’ll always be looking to improve the iRacing experience.”

C'est moi ou ça parle d'avoir la Holden Commodore du V8SC pour fin de l'année? Gaaah Gaaah Gaaah Gaaah Gaaah Gaaah Gaaah Gaaah Gaaah Gaaah Puis vu que ça parle de la VF, c'est THE version, la toute dernière avec l'aileron comme la Falcon!

iRacing - Page 11 318817-holden-vf-commodore-v8-supercar-launch

Ah si c'est bien ça, je veux la même déco que la photo! La déco officiel Holden Motorsport! kuku2
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeMar 23 Sep - 14:42

Le mec dit swap... est-ce qu'ils comptent remplacer la Falcon ? Ça serait curieux...
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeMar 23 Sep - 15:12

We expect to release our new team/driver swap feature in late Octobe

Moi je comprends que ça parle de faire de team avec des pilotes non? Ils vont pas virer la falcon!
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeMar 23 Sep - 22:51

Je dirais que t'avais raison Julien. J'ai essayé moi même par curiosité la Mclaren et la Ruff sur Spa! J'ai pris des set pour les deux qui ont été posté sur le forum iRacing! J'essaye en premier lieu avec la Mclaren... J'ai eu quelque accident, mais pas beaucoup! Un peu de hors track car du mal à faire des repères... Après j'ai sortie un 2:20:753 se qui est correct! J'ai pris la Ruff, je me suis pris plein de tôle la par contre...! En fait elle fait vélo, mais quand tu commence à la pousser à la limite elle fait moins vélo! Et par contre un truc que j'avais pas remarqué... Elle est ultra flou dans le train AV, en ligne droite je zig zag un peu! Ben avec plus de difficulté j'ai réussi à faire le 2:20 aussi...

Les aliens tourne en 2:17... Pour un grand circuit et sans trop entrainement c'pas dégueu! Mais bon je suis pas fan du comportement... En fait la V8SC ça décroche tellement souvent qu'elle prévient facilement, là quand tu perds le train AV c'est pas la même, l'arrière j'en parle même pas, surtout la Mclaren quand tu freine légèrement en virage le cul décroche moi je suis la à contre braquer comme si j'avais la V8SC dans les mains alors que suffit de mettre un peu de gaz et ça repart! J'ai trop mes habitues! Ninja
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeMer 24 Sep - 11:53

Arf j'ai fais une course de GT3 série en Mclaren, si je dis que j'ai commencé 11 fini 10/19 sur le papier ça parais bien. Mais le premier tour j'étais cul à cul je suivais bien  le rythme, un endroit le vibreur me déstabilise complet l'auto, tête à queue fini contre un mur. Chose qui ne me serrais pas arrivé en V8SC parce que c'est des bateaux qui ont de la suspension, là c'est des putains de planche de bois qui ne veulent absolument une déformation aucune de la route... Et même un vibreur ultra petit.
J'y retourne, pas de dégât rien! J'étais mal placé là par contre, un accident me fais passer 12ème, je me dis j'ai le numero 14 donc temps que je suis au dessus "ça va", là dans la chicane avant la ligne d'arrivé de Spa, je prends un peu trop le vibreur, ça m'envoi en tête à queue direct...! Je repars a la même position, mais celui derrière tourne + vite donc me double, 13... Et après avec l'autre ça été un peu chaud des contacts etc, mais j'ai gardé ma place a la fin il a fait un tête à queue, et 3 personnes on été mi dans le talus donc fini 10.... Mouai, vais m'en refaire aujourd'hui faut faire mieux.
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeJeu 2 Oct - 13:20

Entrainement de Scott McLaughlin (pilote Volvo) avant les 1000kms de bathurst!



Mort de lol
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iRacing - Page 11 10355522_10152748241661085_5638941607590440564_o

Classe Classe Classe Classe Classe Classe Classe Classe Classe Classe Classe
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeSam 4 Oct - 8:47

C'est une miniature ?
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeVen 10 Oct - 22:44



J'pense que je vais relancer Assetto Corsa.



EDIT:




WOUAPUTAIN Gaaah Gaaah Gaaah Gaaah Gaaah Gaaah Gaaah Gaaah
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeSam 18 Oct - 11:58

Le est déprimant quand il parle mais sinon ça a l'air plutôt simple et bien foutu.
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeMer 22 Oct - 0:18

Alors, je ne sais pas si... C'est le nouveau comportement de la Ford qui m'aiderais à faire mieux, ou si la Holden est simplement mieux que la Ford... J'ai du faire 10 tours de Bathurst en setup baseline.
Avec la Ford plus souvent en practice je faisais 2:10:2xx, j'ai réussi à planté une fois un 2:09:9xx que j'ai jamais réussi à refaire. Avec un setup qui me plaisais dans la conduite.
Là la Holden, j'ai durcie la barre avant, durcie les suspension avant, répartition des freins... Et j'ai peu roulé
https://2img.net/r/hpimg15/pics/402877Holden.jpg

Je me sens d'aller en 2:09 là. Elle est génial. Elle a se comportement en fait que j'aimais pas trop sur les setup d'alien, qu'il faut tourné très peu le volant et elle tourne, si tu tourne trop et trop fort ça glisse. Et elle a de la motricité, bon celle d'un V8 de 635cv, mais elle en a je trouve pas mal. Donc à voir, demain je vais faire plutôt du full baseline sauf la répartition des freins, pour comprendre le comportement, et après je vais voir niveau réglage. à par si je tape du chrono de ouf en baseline xD
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MessageSujet: Re: iRacing   iRacing - Page 11 Icon_minitimeMer 22 Oct - 12:47

2:09:094... Je peux aller en 2:08 je sens. En fait la Falcon j'avais un setup plutôt facile à conduire, mais la Holden d'origine est efficace, mais moins facile. Mais alors efficace quoi par contre.
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