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If a spring rate adjustment (for a different reason) results in undesired impact on roll-stiffness, youd counter that effect with an ARB adjustment. dylanhouser5@yahoo.com. The spool is essentially a solid axle connection between the left and right wheels, or a fixed differential. By optimizing the diff setup, you can improve your car handling through a corner. First race ever, I was in 9th going into the last corner. Continue with anti-roll bars, in 5.3. 0 . Head on to 5.2 where we focus on tyres. $4.99 per month for their Dedicated package, or $9.99(or $99.99 if you pay for a year in full) for the Competitive package. Share your setups in this forum with the rest of the community. The regulations allow the FR2.0s ride height to be very low, as a consequence you can run the stiffest front springs and still achieve your desired front ride height. si far I've done 3 races on rookie Street stock, coming in 6th 11th and 2nd. An ARB can balance this out. Each time you make a change to ride heights you should remember to also take a look at camber and toe. Using the ARB to balance the car Such a setup would produce more rake (and downforce) in the slow corners and less drag on straights. Virtual Racing School. When going around a corner, the outside tire has to travel a longer distance. Lower tyre pressures lower the vertical stiffness, which in turn causes a bigger contact patch (flatter tyre), and in theory sounds promising. If you want any other advice, or have any questions, PM me. A limited slip differential might have any (or none) of the following adjustments available, but heres what they do: Each car in iRacing has a different differential settings available, under different names and configuration values. Purposes of changing the ride height Each time you add and remove fuel youd generally want to do so without actually modifying the static ride height (with some exceptions, depending on car or track). Yes, you can just park your foot on the gas pedal -- but, no, that's not going to guarantee you consistent times. The Dirt Track at Charlotte. Most open diff cars are underpowered, however, high-powered open diff cars (or cars with open limited slip differential), may spin the inside wheel on corner exit. And so the front roll-stiffness is solely controlled by the front ARB, which is adjustable in the real car, but is fixed in iRacing. This is not an if this, then that kind of guide. For example, here are the differential settings for the McLaren MP-30: You can achieve identical handling with completely different diff builds/configurations. By multiplying the two numbers, you get the amount of friction force provided by the tyre: If we have a perfectly balanced axle where each wheel is loaded with 400 kg, the total available grip at that axle is: (400 x 1.25) + (400 x 1.25) = 1000 kg (axle). Splash = 2-3 gallons, 1/2 can = 5-6 gallons, 1 can = 11-12 gallons, 1 1/2 cans = 17-18 gallons, 2 cans = full tank. Rookie DIRTcar Street Stock Extreme Simracing Series - Fixed: Limaland Motorsports Park. Repeat this step until the improvement stops or the car becomes worse again. As I said, they can be a good resource but they can also be very hit and miss and, personally, I would rather just go directly to a resource that I know Im going to get a quality setup each and every time. Static ride height is what you configure in the garage. This causes stress (wear) on both tires and the drive train. The circuit has fast corners and fast straights, so a compromise is needed between the two baselines suggested above. To find the ideal tyre pressure, its important to know what to look out for. The FR 2.0 has more setup options available, including an important one, which will vary greatly between circuits: the selection of front and rear springs. BMW M Hybrid V8, Dallara P217, IMSA23: You need to keep ride heights in mind each time you change any of the following: Do not attempt to open the setup file in Windows. In iRacing's options panel pictured above, you'll see setup options for steering, brakes, force feedback and more. A higher tyre pressure alsochanges the curvature of the tyre, from a flat shape to like that of a bicycle. Fuel load: Added fuel (per the example above, for full race distance as opposed to for qualifying) adds more weight to the car, which compresses the springs more, which reduces the ride heights. Spring rates: Stiffer springs raise the car, softer springs bring it closer to the ground. Creating your own setups is time-consuming though and with the busy lives that most of us live, wed rather spend the small amount of free time that we have available actually racing I know I would. The ARB stiffness can also determine the lateral load transfer between the front and rear axles, even if a car only has one ARB, like the Skippy, which only has one on the rear. These cookies gather data on how visitors use this website which pages are visited most often, for example. This guide defines each listing in the Garage section for each car available in the iRacing.com Motorsport Simulation. Id really only recommend this tier if you only race one very specific car and you dont plan on racing anything else. This basically just lets us know you are interested in iRacing! iRacing Late Model Stock Car gets much-needed Update. JavaScript is disabled. Each car is different, but in general theres an ideal ride height range that produces maximum downforce. At a track with lots of high speed corners you may want to run higher pressures to increase grip in high-load situations. For instance, during braking a car with softer front springs compresses more on the front, which pitches the car forward (dynamic reduction of ride height at the front). This effect is most noticeable on the McLaren MP4-30 or Williams FW31, as theyre running on wheels with very tall sidewalls relative to their width. Create an account to follow your favorite communities and start taking part in conversations. iRacing - Just UpdatedSeptember 2022 UpdatesThe green flag is waving for iRacing 2022 Season 4! Someone will eventually wreck you (on accident most likely, though it still hurts your SR). First of all, you need to understand what an ARB is and what it does to the car. Well get started with the basics that apply to any car and well progress to more advanced setup topics, which are only applicable to high-end cars. Featured. We've added TWO new Mercedes-AMG race cars, Mercedes-AMG GT3 2020 and Mercedes-AMG GT4, and the Radical SR10 to our stables. As a result, as soon as one wheel moves up or down, the other wheel is forced to follow that motion. One of the few setup options available to the Skip Barber car is the pressure in the tyres. Getting started Register your account now to start using Setup Sync! For cars that are not very aero dependant the ride heights are primarily used to affect the center of gravity. 1 of 2 . Most race cars thus use a limited slip differential, which offers the best of both worlds. The nature of the track would typically determine the baseline you start tuning from. Tyre pressures influence a number of factors in the performance of the car, and both high and low tyre pressures have their drawbacks. 300 kg x 1.35 = 405 kg (right tyre) The $9.99 tier gives you access to setups for every car in the service. A spool ensures both left and right tires rotate at exactly the same speed. It taught me a ton about the race craft needed in the game, and made me a better driver. The main purpose of the ARB is to change the roll stiffness of the axle its installed on, which has two important implications: The ratio of roll stiffness between the front and rear axles affect the balance of the car, especially its tendency to under- or oversteer. Dirt StreetStock: 2/27/2023. For further explanations on the matter of ARBs, please see the more advanced chapters of this guide, which well publish soon. Thu, 7:00 PM PST. 1; 2; Next. Pricing Travel to Japan, Australia, and the USA with Fuji International Speedway, Sandown International Motor Raceway, and Port Royal Speedway. Together, they make a good introduction -- which is all they really are to begin with. YouTube, there is software to help you with that as well. These two ranges may or may not overlap. The coefficient on the left tyre decreases from 1.25 to 1.11, while on the right tyre it increases from 1.25 to 1.35. Well start with the Skip Barber RT2000, as it is the first open-setup car for most road racers, and also a car thats understandable and sensitive enough to observe setup differences with. Press J to jump to the feed. As a result, youll get a non-zero reading even if the splitter bottoms out. Towards the end I am usually down to 36.1 to 36.2s, maybe even 36.0s if I have a decent draft going, I am yet to break into the 35s however. Notable road car examples on iRacing are the V8 Supercars. Applying it to the FR2.0 (If you havent read article 5.3 about anti-roll bars, please do that first, because this article builds on the same basics of physics.). As always, its important to experiment with each setting to gain experience with the car and to develop an instinct for how to approach differential setup. Additional Terms of Use for Coaching Platform Also, the trade-offs between different adjustments become quite interesting in the FR2.0. If you ask too little, you wont notice any difference in handling. And during cornering, lateral forces cause the body to roll which compresses the springs on the outside tires. Try fiddling with the spring rates, and see if you can improve your laptime with it. This is also not ideal (see image). Here's the list of the 7 Best iRacing setups shops: Craig's Setup Shop. 2018. Modify the suspension geometry so that you achieve the new desired camber (or toe) at that same ride height. In the following series of blog posts were trying to shed some light on the various hardware parts you need to have or for some parts should have. So far I've had 1 incident in each race, one of which I don't see how I could have avoided. It can cause the sidewalls of the tyres to nearly fold. These cookies remember website preferences and generally improve the performance of the site for the user. In addition, the balance changes suddenly through the corner, which is not desirable for a race car, as you are giving up traction. In most cases the additional weight due to the added fuel is bringing the car out of tech, which means its too close to the ground and isnt legal to race. For example, the splitter ride height sensor (on cars that have one) may be positioned a few centimeters above the bottom of the splitter. Coachdave academy. Use the baseline setup, and drive a few laps to get the heat into the tyres. iRacing Setups. DIRT STREET STOCK SETUPS. Also wasn't helped by the 20 laps I turned in testing where the car wouldn't break 120mph, so I say "wow, this is stupidly easy, you can't screw up" and join a practice session and all of a sudden I'm doing 140 running the same line You should be able to run the whole track without lifting off the gas. Conversely, softening the rear ARB increases available grip at the back while decreasing it at the front, hence, making the car less oversteery and more understeery. Stick it out, dont be afraid to lift the throttle, cause in rookies, SR is way more important than IR. for example, the somewhat recently released Supercars has a lot of setups floating around when they first came out as people were experimenting with them. You must log in or register to post here. New members only. Craigs Setup Shop costs $5 per month/$15 per quarter/$50 per year and this will give you access to all of the setups that are available. In oval racing, its much easier to learn the tracks, so car setup is a quite significant factor in open setup series. Use the delta-bar to keep track of time gained or lost in individual corners. Open to Class C Oval drivers and above. si far I've done 3 races on rookie Street stock, coming in 6th 11th and 2nd. Especially at the top level of sim racing, setups are seen as highly guarded intellectual property. Aside from mechanical grip, an increased pitch (also known as rake) may also have aerodynamic effects, because the angle of the car changes. Limited slip differential Thus, having a basic understanding of car setups becomes a very useful asset in your sim racing career. USA International Speedway Asphalt Legends Setups; Miscellaneous iRacing Asphalt Legends Setups; iRacing Asphalt Street Stock Setups. Save these setup files to C:\Documents\iRacing\setups\streetstock\. In the rear are two separate spring and damper units. Each VRS datapack consists of data from all relevant iRacing circuits with a setup, telemetry and a replay file from Pro drivers in the current season (Season 3, 2017). Fortunately, for the Skip Barber car and its tyres, finding the ideal pressure is fairly easy and does not depend on the track or weather conditions too much. Currently, I am using Craigs Setup Shop as it was pretty much free with my Twitch Prime subscription and the setups are on-par, if not better for my driving style than VRS. Weight transfer causes the ride height to change. The Skip Barber, as a non-downforce car, can be driven with the same pressure at practically every track. Unlike the front ARB, the bar in the rear is adjustable in stiffness. The locker mechanism unlocks the wheels during corner entry and mid-corner and locks them on corner exit, when on the power. Because the rear spring rate changes multiple parameters of the car, such as the ride height, you could correct those accordingly to maintain the same static ride height. A spool gives you good traction accelerating on a straight line, but the handling of the car is compromised during turning. Good quality and stable setups for free. I would definitely suggest that you check out Setups4i.Racing over the iRacing forums if youre after a setup just to get you on the road as quickly as possible. Thats exactly how I do it as Im already paying for Amazon Prime. Recent Reviews: Very Positive (26) All Reviews: This season includes the release of iRacing's first fully electric race car, the Porsche Mission R, a pair of new European Road Courses, Motorsport Arena Oschersleben and Rudskogen Motorsenter, and a new Dirt Oval, Lucas Oil Speedway. iRacing Forum. Setting up a car is about trade-offs within the limits of physics. Street Stock Setups| RYCO Performance / iRacing Setup Shop Sign up for the latest news and special offers. As you can already guess, for long runs its a little different and this will be covered later on in a more advanced section. The Street Stock Class C series represents a significant step up from the rookie series, with a schedule featuring a mix of iRacings most popular short tracks, intermediate and superspeedways. You also have the option to opt-out of these cookies. Try to visualise this in your mind. This simplifies the front spring rates setup. And if you want to record your races and/or stream them on e.g. I still have an active VRS subscription as well but for the time being, I am using that for the software and data that they provide and not as much for the setups anymore. With this we mean the bumpiness of the surface, and the lengths of the straights, and whether there are many fast or slow corners. On the flip side, if you have deeply ingrained old bad driving habits, it may be more efficient for you to tune the setup to your driving style. iRacing We are the world's premier motorsports racing game. It's just me or is this track not good for the car? The Charlotte Motor Speedway built a new infield road course, designed specifically for NASCAR competition, in 2018. To pass tech inspection, you need to raise the ride height. This helps with turning. You can do your setups yourself if youd like, and this is a really good idea to at least have a go at some stage in your sim racing life. It may not display this or other websites correctly. When adjusting ride heights Personally, I wouldnt rely on the iRacing forums to find setups. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. This is an internally generated cookie that we use to hide our SMS form if our users have signed up or indicated they are not interested receiving SMS notifications. See also thePC & screens, and the summary. A softer ARB causes less lateral load transfer on its axle, compared to a stiffer ARB. No more cutting/pasting or dragging and dropping between different Windows explorer windows. Pick up a decent setup (from the forums or a VRS datapack) first and focus on driving style until you are able to turn competitive lap times in the chosen setup. Copyright 2023 iRacing.com Motorsport Simulations, LLC. It only provides stiffness in heave (vertical) motion. To make the chunks of information a little smaller and easier to digest, this is split into the multiple posts. If you ask too much of the car (overall Gs), the ARB wont help. When changing spring rates you want to make sure that you maintain the ride height from before the spring rate adjustment (otherwise youll be applying two changes to the car). After the tyre pressures, which we handled in 5.2, another significant setting to tweak on the Skip Barber is the anti-roll bar (ARB) in the rear. The closest I've come to actual racing was in the last race. It is characteristic of a monoshock that the front spring has no effect on roll-stiffness. In terms of handling, an open diff gives you oversteer at the entry of a corner, and will understeer at the exit. And weve discussed in 5.3, lateral weight transfer reduces the total available grip. 2 wins under my belt and nearly 6 lost cause of a person accidently pits me. You cant really ask for much more. I didn't race any oval races until I was a B license in Road, and I was able to fast track out of rookie oval in a few days, while getting top 5's in every race. For instance, load a session at Silverstone Historic. Just before the final corner in the dog leg, before the start/finish, two cars wreck in front of me and go into the wall. The process of finding a good tyre pressure, at least for short runs, is the same iterative process as with the lower end cars. Lets say that number is 4 laps. Quick View. A given tyre pressure is ideal for one specific amount of load on the tyres, yet this load varies greatly because of the different amount of downforce generated through high and low speed corners. Just when you need grip the most! Internet racing is a fun, easy, and inexpensive way for race fan and gamers alike to enjoy the thrill of the racetrack from the comfort of their home. On tracks with short straights and a wide range of corner speeds (such as Motegi), youd like to start with stiff springs on both the front and the rear. I'm less worried about winning and more worried about not getting caught in wrecks, once you make it out of rookies its better. With the turns so gentle and banked, you can almost lay a brick on the gas and take a nap. after you downloaded the setup, how do you use it? . I dont want to have to waste my time searching pages and pages of posts to try and potentially find a setup that someone has posted, only to do the same thing again a week later. I want to be able to just find a setup for the car I want to drive and know exactly where to find it. I believe that you can change this on a month-to-month basis but you will ever only be able to download one cars setup. DLM Limited: 2/27/2023. They can quite literally be the difference between first and last place and the higher the strength-of-field, the more that they will determine that. That means that, if you have Amazon Prime and link it to your Twitch account then youll be able to use the free sub that you get with that on Craigs Twitch account and get the setup service for free. No matter what I try in practice I can't seem to get below that until fuel burns off. The iRacing , NASCAR hall of Fame driver Tony Stewart will make his first start since 2016 in the Xfinity race at Indianapolis Motor Speedway on July , Coming off of a very successful 2019 racing season, Billy Pauch Jr. only has one regret. Instead, on each wheel you can adjust the spring perch offset, or increase the pushrod length (when available). Finding out the optimal rear spring rates will mostly be a matter of how much you want to vary the dynamic ride height in the back. Factors: Deflection, contact patch, vertical and lateral stiffness Most tracks are in-between, so youd want to pick a baseline for the overall profile, then look at the track specifics. best thing you can do for rookie class, is finish cleanly. The red component in the illustration below is an anti-roll bar, which nearly every racing car has on its rear and/or front axles. A very nice added bonus with VRS is that youll have access to all their telemetry software and logging data. You still get more grip, but proportionally less. The final factor, relevant for both downforce and no-downforce cars, is clearance from the ground. Coming off the high side of the banking gives you a little run if you do it right, but its very easy to get loose doing this, so it comes with a risk. So from trading paint on the short tracks to working different lines around the intermediate speedways and drafting on the superspeedways, the iRacing.com Street Stock Class C series has something for every oval sim-racer. 30L. Moreover, lower tyre pressures also affect the lateral stiffness, and when running very low pressures, its possible that the middle of the tyre is no longer at the centre of the rim while cornering. This may change your ride height again, so you may have to do a few iterations of ride height adjustment, camber adjustment, until you achieve the desired result. There are a number of third party software tools that integrate with iRacing to improve your simracing experience or to aid you in your driving practice or racing. One of the super nice things about Craigs Setup Shop is the fact that you can also pay by subscribing to his Twitch account. Additional Terms of Use for Coaches. 2022 VLR Turkey Gobbler Setup Package. With the turns so gentle and banked, you can almost lay a brick on the gas and take a nap.