As a direct ancestor of iRacing, the ‘Grand Prix Legends engine’ had multiple stock car racing false starts, before eventually releasing as NASCAR Racing 4. The original NASCAR 3, cancelled and replaced by one that used NASCAR 2’s engine, is barely remembered.
Video game development is full of names that have made groundbreaking steps you’ve never even heard about. Shawn Nash is a behind-the-scenes pioneer responsible for SODA Off Road Racing’s incredible physics, Papyrus’ graphical advancements and iRacing’s use of laser scan data for the physical track surfaces.
This interview with RSC, published in 2021, details his early life and career, through both his own company, Papyrus, Electronic Arts, to his time at iRacing.
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Build 0.1.0.2823 and 0.1.0.2831 of KartKraft are now live. Check out the build notes below.
Perhaps the biggest step in these builds are the new tire models:
New Features for 0.1.0.2823:
KA100
The IAME KA100 class has been added to KartKraft. With 22HP and a maximum RPM of 15,000, the new class uses the medium grip MG Red tyre and requires very precise and smooth inputs to achieve good lap times. We look forward to your feedback on the new class.Tyre Model
The tyre model has been updated to include a 3D thermodynamic model that simulates the heat transfer between the asphalt, contact patch, tread, pressurised air and rim. No longer static, the entire carcass and tread around the circumference of the tyre is affected by contact pressure and sliding friction which results in localised hotspots and the new ability to overheat the tyre if driving and sliding too hard. Future updates will include different rim materials that allow for better dissipation of heat and more stable changes in pressure. A visualisation of the 3D tread has been added to the HUD. Note: Existing setups will need to be updated to extract the maximum performance from the new model.FFB
The calculation of forces being applied to the steering column has been improved resulting in a much more refined signal and smoother driving experience.GKCV Reverse
The reverse layout of GKCV has been added which presents a different challenge with the blind uphill entry to turn 1.Fixes/Improvements
Setup parameters now show their respective units. i.e PSI, Degrees etc
HUD elements are now zoomable and moveable using mouse wheel
Fixed crash when changing gear ratios on the KZ2 class of karts
Kerb response has been improved with a reduced likelihood of flipping
Fixes in Build 0.1.0.2831:
Temporarily removed collision on cones to avoid crash in KA100 time trial
Reduced cornering stiffness of MG Yellow tyres
Fixed issue with Face Off and Minimal options in KA100 events. It’s no longer possible to enter X30 in KA100 events
Fixed incorrect manufacturer on OK1 KA100 Karts
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