![]() You can imagine there is some scaling required. The physics engine will just calculate a torque or a steering rack force, perhaps during a lap this value is between Newtons.Īt some point the sim will have to tell your FFB steering wheel what force it has to apply. That means when the steering goes light in a racing car, you might not be understeering at all, you might be right at the maximum grip levels!Įven when your favourite sim has good tire and suspension physics, that doesn't mean your wheel (G25, Fanatec, Thrustmaster etc) will behave properly. Suspension geometry usually adds a chunk of force, but still it is higly likely that the force you feel in a racing car drops off after a certain amount of steering and by the time you've applied the optimum steering angle for max grip, force through the steering wheel might be about half of the maximum. Counter intuitive eh, but its often near true! Thats just how tire physics (pneumatic trail) works, give or take some margins. If you'd only feel the tire part of the force feedback, the forces would be near ZERO by the time you've applied the optimum steering angle to get maximum grip. Part of the feel is the tires, part is the suspension geometry, and this all changes with steering angle and things like how much weight (load) is on the tires. Good sims will use complex physics engines to calculate the force feedback. Some even feel when the coffee is done in the kitchen (sarcasm = still on). Then you often read claims how great it feels and how they can even feel the effect of flies building up on the windscreen through these FFB settings (sarcasm = on). I've been around this simracing scene now forever and it seems the vast majority of folks like to run very high force feedback settings.
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