Virtual Race Car Engineer — onRails Setup Creation and Engineering Suite

Setup Developer

Create a complete baseline setup from scratch. Answer simple questions about your car and driving style. Get a personalized starting point engineered specifically to your needs.

Setup Engineer

Log your lap. Describe what the car is doing. Get specific, ranked recommendations with the reasoning behind every change. Adjust. Measure. Improve lap by lap.

SimReader

Real-time data capture from eleven simulators. Tire temps. Lap times. Sector data. Fuel use and tire wear where the sim provides them. Captured automatically as you drive. No alt-tabbing. No manual entry. Pure engineering.

Transparent Overlay

Everything runs on top of your sim. Read recommendations while making changes. Never leave the sim. Complete workflow. Zero friction.

Race Weekend Programs

Qualifying trim, fuel load, tire wear, and pit strategy, worked out from your own laps. Know when to pit and what to carry before the lights go out.

SimReader Data

Real-time data capture from Assetto Corsa, iRacing, Automobilista 2, and more. Data appears instantly with a keypress.

Targeted Coaching

20+ years of setup methodology built into every recommendation. Learn the reasoning, not just the numbers.

Zero Friction

Overlay interface. Hotkey controls. All the tools you need without ever leaving your sim.

Measurable Progress

Track improvement across laps. See exactly how each change affects your performance.

Every Setup Subject

Camber, caster, toe, springs, dampers, brakes, differential, aero. Complete coverage for every car type.

Six Car Categories

Sports cars, touring cars, open-wheel, stock cars, sprint cars, and karts. Road courses and ovals.

Pit Strategy

Every feasible pit plan for your race length, ranked by predicted total time, built from your own fuel and tire data.

Fuel and Tire Programs

Drive a stint, get a wear curve. Know when each compound falls off and how much fuel to carry to that lap.

Garage and My Tracks

Every car and track saved with its setup profile, fuel capacity, and lap history. Load it back next session instead of starting over.

“It doesn’t just solve your problems. It lets you learn and understand”

“Effective and powerful, yet at the same time very simple and intuitive to use… We’ve done countless tests, with truly astonishing results on the track”