A linguagem mais importante entre você e o carro virtual. O que é, como funciona, por que melhora o tempo de volta — e como calibrá-la como um profissional.
FFB stands for Force Feedback — the technology that makes your steering wheel (and, in advanced setups, your pedals) physically react to the simulation: road texture, kerb strikes, weight transfer, and grip loss. If the wheel only steered, you would be driving blind; FFB is how the car "talks" to your hands.
/// Signal Path
Como o Force Feedback realmente funciona
Every simulator runs a physics engine that calculates, hundreds of times per second, the forces acting on the virtual steering rack: tire grip, slip angle, suspension load, kerb impacts. That value travels down a chain before it reaches your hands:
01 · PHYSICS
Sim Engine
Calculates tire & steering-rack forces in real time.
02 · SIGNAL
FFB Output
Signal sent to the wheel base: gain × effects.
03 · MOTOR
Wheel Base
Converts the signal into torque on the shaft.
04 · DRIVER
Your Hands
Read grip, weight transfer & slides instantly.
Qualquer falha nessa cadeia — um sinal filtrado, um motor fraco ou um ganho mal calibrado — destrói a informação antes que ela chegue até você. E nas corridas, a informação é o tempo de volta.
2 Nm → 32 NmThe torque spread across the current market: a Logitech G923 produces roughly 2 Nm; a Simucube 2 Ultimate peaks at 32 Nm — sixteen times the force. Everything between is a trade between price, detail and fatigue. (Manufacturer specifications)
333–360 HzWhere the signal is born: Assetto Corsa Competizione outputs its FFB at 333 Hz, iRacing at 360 Hz. Modern Direct Drive control loops run at 1000 Hz. A belt drive physically cannot track detail that arrives faster than its drivetrain can move. (Kunos/iRacing documentation, Simucube True Drive)
60–70%Where serious endurance drivers actually run their base strength — far below the peak the marketing page advertises. A wheel you wrestle for three hours hides the micro-signals that warn you the rear is about to go. Fatigue is the silent lap-time killer.
0% clippingThe only correct target on the FFB meter. When the trace flattens against the motor ceiling, peaks are being cut — and every clipped peak is grip information deleted before your hands receive it. Try the Signal Lab below to see it happen. (iRacing FFB black box; ACC HUD widget)
/// Technical Analysis: Force Feedback Dynamics — with pro driver Albert Costa
/// Hardware Tiers
Engrenagem x Correia x Direct Drive: Onde os detalhes se perdem
Nem todas as bases de rodas transmitem o sinal da mesma forma. O mecanismo entre o motor e suas mãos determina o quanto dos detalhes originais é preservado:
Drive Type
Mecanismo
Detail & Latency
Typical Torque
Who It's For
Acionado por engrenagens
Motor + engrenagens de plástico
Irregular, filtrado, lento
~2 Nm
Primeiros passos em sim racing
Acionado por correia
Motor + correia de borracha
Contornos suaves, mas delicados
3–6 Nm
Atletas de nível intermediário
Direct Drive (DD)
Eixo do motor = eixo da roda
Latência zero, detalhes completos
5–32 Nm
Uso sério e profissional
Os pilotos profissionais de corrida treinam em simuladores justamente porque os sistemas modernos de “ Direct Drive ” reproduzem as forças de direção de um carro de corrida real com uma fidelidade impressionante. Abordamos essa tecnologia em profundidade em nosso guia “Direct Drive ” (DD).
/// SRP Signal Lab
Lab 01 — See What Clipping Does
This is a live FFB signal (road texture + grip load). Raise the game gain and watch what happens when the signal exceeds what your motor can physically output.
LAB 01
O Visualizador de Recortes “ FFB ”
20%100%220%
2 Nm12 Nm25 Nm
What this generates
The orange dashed lines are your motor ceiling. When the red trace flattens against them, the peaks are cut — that's clipping, and every clipped peak is information your hands will never feel.
SIGNAL CLEAN — all the detail is reaching your hands.
Output signal (what you feel)Original signal (what the sim sent)Motor ceiling
Essa lição surpreende a maioria dos motoristas: mais intensidade não significa melhor resposta. Um sinal calibrado de intensidade média, sem distorção, supera sempre um sinal no volume máximo. Detalhes que você consegue perceber são melhores do que a intensidade contra a qual você precisa lutar.
/// SRP Setup Finder
Lab 02 — Your FFB Starting Point
Pontos de partida comprovados pela comunidade que usamos em nossos próprios setups. Escolha seu simulador e a classe do seu volante — depois, faça os ajustes finos de acordo com sua preferência a partir daí.
LAB 02
Configurações recomendadas para o FFB , por Sim & Wheel
/// Paddock Intelligence
How The Fastest Drivers Set Their FFB
FFB is not a strength contest — it is applied signal calibration. This is the method used at the top of iRacing and by real-world drivers who train on simulators.
Rule 01 · Zero Clipping
Calibrate with the meter, not by feel
Every serious sim has an FFB meter — the iRacing black box, the ACC HUD widget. Pros watch it on a representative corner (fast, loaded, kerbs) and lower gain until peaks stay out of the red. Guessing by feel always ends 20% too hot.
Rule 02 · Strength ≠ Detail
Enough torque to read, not to fight
Top endurance drivers run far below what their base can do — typically 60–70% of peak. A wheel you wrestle for 3 hours hides the micro-signals that warn you the rear is about to go. Fatigue is the silent lap-time killer.
Rule 03 · Linearity First
Base at 100%, scale in the game
Set the wheel-base software to its native, unfiltered output and do your scaling inside the simulator. Double-filtering (base damping + game damping + game filter) stacks latency and smears the exact detail you paid for.
Rule 04 · One Change At A Time
Tune like an engineer
Change a single value, run five consistent laps, judge one question: can I read the car earlier? If a setting makes the wheel heavier but the information later, it was a downgrade — no matter what the number says.
/// The Pedal Equation
FFB Talks To Your Hands. Who Talks To Your Feet?
/// Engineering note — the feedback loop has two ends
FFB is only half of the sensory loop in a race car. The wheel talks to your hands; the brake pedal must talk to your feet with the same fidelity — because the braking zone is where races are decided and where information arrives fastest. A pedal whose resistance drifts with heat or ages like a polymer sends your feet the same corrupted signal that clipping sends your hands: technically still connected, silently lying.
This is the engineering reason SRP® pedals are pneumatic: the opposing force your legs train against obeys a gas law instead of a wear schedule. Professional drivers preparing real races — Miguel Molina (2024 Le Mans overall winner), Daniel Juncadella (Daytona 24h & Spa 24h winner), Albert Costa (Le Mans class winner) — train on this hardware daily, and the haptic kit closes the loop entirely: ABS and traction-loss feedback delivered at the pedal, the moment the tires cross the limit. Full concept in Force Feedback in pedals: active vs passive.
Flagship · 3-Pedal Pneumatic
SRP® GT-R
Industrial-grade braking consistency for GT and endurance racing. The same force on lap 1 and lap 40 — your foot learns one brake point and keeps it forever.
View GT-R
2-Pedal Pneumatic Edition
SRP® GT-S
Aerospace-grade AL6061-T6 aluminum, 16-bit resolution, zero thermal fade. True pneumatic linearity for drivers who brake with pressure, not travel.
View GT-S
The Closest Thing To Pedal FFB
SRP® Haptic Kit
Adds ABS and traction-control feedback directly to your pedals — feel the exact moment the tires pass the limit through your feet. Compatible with GT-R, GT-S and Formula-R.
View Haptic Kit
/// Data, Not Immersion
Why FFB Wins (And Saves) Lap Time
FFB is not immersion — it is data. Through the wheel you feel the exact moment the front tires start to slide (understeer), when the rear steps out under throttle (oversteer), and how much grip is left in the contact patch before you ever see it on screen. Drivers who learn to read that language brake later, catch slides earlier, and stay consistent over a full stint.
In endurance racing — the discipline where professional teams validate our hardware — consistency over hours is worth more than a single heroic lap. As we explore in our racing telemetry guides, consistency relies on a flawless understanding of vehicle dynamics and hardware that translates your intent without degradation.
And once your hands are calibrated, close the loop: a mathematically correct FOV setting aligns what you see with what you feel — vision, hands and feet reading the same car at the same time.
/// Paddock FAQ
Force Feedback Questions
O que significa “ FFB ”?
FFB significa Force Feedback — as forças que um simulador transmite aos seus controles para recriar o que o carro virtual está fazendo: aderência, transferência de peso, meio-fios e impactos.
O que é o feedback de força em um volante?
Um motor localizado na base da roda aplica torque ao eixo, recriando a textura da pista, os impactos nos meios-fios, a subviragem e as colisões. As rodas acionadas por engrenagens e correias filtram parte desses detalhes; as bases “ Direct Drive ” transmitem tudo isso sem nenhuma latência.
Os pedais têm feedback de força?
Passive pedals don't — but brake feel is just as decisive. Load-cell and pneumatic pedals deliver pressure-based braking with zero fade, and add-ons like the SRP Haptic Kit bring ABS and traction-control feedback straight to your feet.
FFB o é importante para o tempo de volta?
Sim. O site FFB mostra que os pneus estão no limite antes mesmo de você perceber. Os motoristas que aprendem a interpretar o ângulo de derrapagem e a transferência de peso por meio do freio de roda conseguem frear mais tarde e corrigir as derrapagens mais cedo.
Qual é a diferença entre o acionamento por correia e o acionamento por engrenagens ( Direct Drive )FFB?
Os sistemas com correia suavizam (e perdem) os detalhes finos devido à correia e às polias; o sistema “ Direct Drive ” monta o motor diretamente no eixo, proporcionando um feedback sem latência e com todos os detalhes. Consulte nosso guia “Direct Drive ” (DD) para obter uma explicação completa.
Uma maior resistência do FFB significa um feedback melhor?
No — clipping kills detail. When the signal exceeds what the motor can output, the peaks are cut off and the information is lost. A properly calibrated mid-strength signal beats a maxed-out one. Try the Signal Lab above to see it live.
