The focs is on the new damage model, with iRacing 2021 Season 2 Patch 3 released for the sim racing service. The system has be re-enabled for the Street Stock, and a wide range of cars have had adjustments to wheel and body durability. But the ARCA Menards Chevrolet Impala and the 1987 NASCAR Chevrolet Monte Carlo and Ford Thunderbird will have to wait a bit longer.
Other cars getting changes due to the new damage model include the Audi RS 3 LMS, BMW M4 GT4, Dallara F3 and iR-01, Global Mazda MX-5, McLaren 570s GT4, the Skip Barber Formula 2000 and more. There are some minor graphical adjustments for other cars and some circuits, and you can also now adjust the brake bias on the fixed setup Formula Renault 3.5.
iRacing 2021 Season 2 Patch 3 Change Notes:
SIMULATION:
Physics
– Chain fence stiffness and damping have been reduced to prevent drivers riding up the walls and driving on the fence.
New Damage Model
– Some great advancements in our New Damage Model algorithms and processes have been made. These are system-wide changes that impact all vehicles that have the New Damage Model enabled. With our latest testing we are very happy with many of these results and are sending those updates your way. However, more work remains for some vehicles to be re-balanced with these changes. As such, we are only re-enabling the New Damage Model for the Street Stock car with this Patch 3. The remaining vehicles which will remain on Original Damage Model for the time being include:
– – ARCA Menards Chevrolet Impala
– – NASCAR Chevrolet Monte Carlo – 1987
– – NASCAR Ford Thunderbird – 1987
Visual Effects
– Fixed an issue where sparks could appear to stretch when using some Replay cameras.
CARS:
Aston Martin DBR9 GT1
– For the New Damage Model, several adjustments have been made, including:
– – Wheel strengths have been adjusted.
– – Break limits for body panel mounts have been reduced.
– – Body panel scrape damage thresholds have been increased.
Audi RS 3 LMS
– For the New Damage Model, several adjustments have been made, including:
– – Wheel strengths have been adjusted.
– – Wheels are more resistant to large hits, and now take minor damage more gradually.
– – Wheel mount durability has been increased.
– – Wheel hyper-extension distances have been reduced to prevent elements from sticking through hood.
– – Body panel scrape damage thresholds have been increased.
– – Large bumps and curbs inflict reduced scrape damage.
BMW M4 GT4
– For the New Damage Model, several adjustments have been made, including:
– – Wheel strengths have been adjusted.
– – Wheels are more resistant to large hits, and now take minor damage more gradually.
– – Vehicle body properties have been adjusted to transfer forces more accurately around the vehicle and to and from the wheels.
– – Mirror tethers have been added.
– iRacing setups have been updated.
Chevrolet Corvette C6.R GT1
– For the New Damage Model, several adjustments have been made, including:
– – Wheel strengths have been adjusted.
– – Mirror tethers have been added.
Dallara F3
– For the New Damage Model, several adjustments have been made, including:
– – Wheel strengths have been adjusted.
– – Spring damper limits have been updated to prevent severe damage from large curb strikes.
– – Strength of the front wing has been reduced.
– – Strength of the rear wing has been increased.
– – Chassis stiffness has been adjusted to allow for more stability in collisions.
Dallara iR-01
– For the New Damage Model, several adjustments have been made, including:
– – Wheel strengths have been adjusted.
– – Wheel yield limits have been adjusted to allow for minor damage more easily.
– – Spring damper break limits remain high.
– – Break limits for body panel mounts have been reduced.
Dallara IR18
– Fixed an issue where custom specular maps were not working correctly in the 3D Model Viewer.
Ford GT GT2/GT3
– (Ford GT GT2) – For the New Damage Model, several adjustments have been made, including:
– – Wheel strengths have been adjusted.
– – Body panel scrape damage thresholds have been increased.
Formula Renault 2.0
– For the New Damage Model, several adjustments have been made, including:
– – Wheel strengths have been adjusted.
– – Lateral wheel break limits and suspension yield limits have been adjusted.
– – Strength of the front wing has been reduced.
– – Strength of the rear wing has been increased.
– – Chassis stiffness has been adjusted to allow for more stability in collisions.
Formula Renault 3.5
– Brake bias may now be adjusted when a Fixed Setup is in use.
Global Mazda MX-5 Cup
– For the New Damage Model, several adjustments have been made, including:
– – Wheel strengths have been adjusted.
– – Spring damper limits have been updated to prevent severe damage from large curb strikes.
– – Suspension yield limits have been adjusted to allow for gradual bending as damage increases.
– – Mirror tethers have been added.
Indy Pro 2000 PM-18
– For the New Damage Model, several adjustments have been made, including:
– – Wheel strengths have been adjusted.
– – Lateral wheel strengths have been adjusted to allow for minor damage more easily.
– – Spring damper limits have been reduced to allow for blowing a spring damper on occasion.
Lamborghini Huracán GT3 EVO
– Fixed an issue where the GT3 Series lumirank windshield digits when incorrectly disabled with the addition of the unique IMSA Series additions.
McLaren 570s GT4
– For the New Damage Model, several adjustments have been made, including:
– – Wheel strengths have been adjusted.
– – Wheels are more resistant to large hits, and now take minor damage more gradually.
– – Vehicle body properties have been adjusted to transfer forces more accurately around the vehicle and to and from the wheels.
– – Mirror tethers have been added.
Mercedes-AMG GT3
– Fixed a minor texture issue with the rear windshield.
– Fixed an issue where the UI image for this vehicle was incorrect in several instances.
NASCAR Cup Series Chevrolet Camaro ZL1
– While running at Darlington Raceway, this vehicle now visually utilizes a low downforce setup. The front windshield banner now shows the driver’s last name and all driver names use proper fonts for the 2021 season.
NASCAR Cup Series Ford Mustang
– While running at Darlington Raceway, this vehicle now visually utilizes a low downforce setup. The front windshield banner now shows the driver’s last name and all driver names use proper fonts for the 2021 season.
NASCAR Cup Series Toyota Camry
– While running at Darlington Raceway, this vehicle now visually utilizes a low downforce setup. The front windshield banner now shows the driver’s last name and all driver names use proper fonts for the 2021 season.
Porsche 718 Cayman GT4 Clubsport MR
– For the New Damage Model, several adjustments have been made, including:
– – Wheel strengths have been adjusted.
– – Wheels are more resistant to large hits, and now take minor damage more gradually.
– – Spring damper limits have been increased.
– – Vehicle body properties have been adjusted to transfer forces more accurately around the vehicle and to and from the wheels.
– – Mirror tethers have been added.
Porsche 911 RSR
– Fixed an issue where the rotors always appeared to be lit.
Skip Barber Formula 2000
– For the New Damage Model, several adjustments have been made, including:
– – Wheel strengths have been adjusted.
– – Wheel yield limits have been adjusted to allow for minor damage more easily.
– – Vertical break limits on wheels have been reduced.
– – Broken wheels are easier to detach.
– – Nose and rear vehicle stiffness has been increased, but these areas remain fragile.
– – Fixed an issue where a hanging nose could behave erratically.
– – Spring dampers may now break independently from wheel mounts.
Street Stock
– The New Damage Model has been re-enabled for this vehicle!
– For the New Damage Model, several adjustments have been made, including:
– – Wheel break limits have been increased to prevent wheels from taking significant damage.
– – Wheel yield limits have been lowered to allow wheels take minor damage more easily.
– – wheel mounts have been generally strengthened.
– – Plastic rates on the wheel mounts have been reduced.
– – Damping rates on the wheel mounts have been increased.
– – Rear wheel damping has been adjusted to improve the ability for collision forces to be transferred to the rest of the vehicle.
– – Suspension plastic rates have been reduced so that minor damage comes in more steadily and slowly.
– – Suspension yield limits have been adjusted to allow for gradual bending as damage increases.
– – Yield limits on the rear, sides, and fenders have been increased.
– – Yield limits on the nose have been decreased.
– – The breaking threshold for many vehicle panels has been reduced.
– – Vehicle collision shapes have been updated.
– – Nose and rear scrape damage thresholds have been improved.
USF 2000
– For the New Damage Model, several adjustments have been made, including:
– – Wheel strengths have been adjusted.
– – Lateral wheel strengths have been increased.
– – Wheel yield limits have been lowered to allow wheels take minor damage more easily.
– – Spring damper limits have been reduced to allow for blowing a spring damper on occasion.
TRACKS:
Darlington Raceway
– Various environment textures have been updated to utilize PBR shaders.
Lucas Oil Raceway
– Pit exit lane checkpoints have been updated.
Richmond Raceway
– Track surface parameters have been updated.
Road Atlanta
– Some signs and billboards have been updated.
You can sign up to iRacing, here (and credit your referral to ORD, which we’d appreciate!). And see all vehicles included in your basic subscription, or what you can access by paying more, in our full official iRacing car list, here.
Or check out all of the included circuits, and the others you can buy, in our full official iRacing track list, here. And keep up with all the latest iRacing news, updates and eSports, here.
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