Current release. FFB-Bridge v1.1.2 is live. These docs track the current app described by the release manifest. If a section reads stale, flag it via the feedback form.

Mock Sim

Mock Sim is a bench-test page for the force engine. It takes over the bridge's input source, feeds the normal pipeline with UI-driven snapshots, and lets you feel strong demonstration effects without starting MSFS or X-Plane.

Mock Sim page. Enable Mock Sim, arm from the normal top status strip, then pick an exaggerated scenario or use the direct stick test. Mock Sim page. Enable Mock Sim, arm from the normal top status strip, then pick an exaggerated scenario or use the direct stick test.
Figure 1. Mock Sim page. Enable Mock Sim, arm from the normal top status strip, then pick an exaggerated scenario or use the direct stick test.

Enable Mock Sim

The top row of the page has a prominent Enable Mock Sim control. Turn it on before arming. The Dashboard and status strip then show that the bridge is running from a demo source instead of live sim telemetry.

Turning Mock Sim off disarms immediately, resets every mock input back to its default state, and returns the bridge to Live mode. That transition is expected and is not treated as a fault.

Scenario presets

Scenario buttons are deliberately stronger than tuned aircraft profiles. They are not meant to be realistic Cessna or Airbus profiles; they are demos that make each force family obvious on the stick.

  • Takeoff roll — runway rumble and surface-speed buildup.
  • Brake shudder — ground roll with hard braking.
  • Turbulence — gust buffet while airborne.
  • Flap buffet — flaps extended at speed with the flight preset enabled.
  • Spoiler buffet — spoiler deployment at speed with the flight preset enabled.
  • Stall buffet — low-speed warning shaker.
  • Overspeed buffet — high-speed warning buffet.
  • Rate damping — fast pitch and roll rates resisting motion.
Scenario preset grid. Click a scenario once to apply it; click again or Reset all to clear. Scenario preset grid. Click a scenario once to apply it; click again or Reset all to clear.
Figure 2. Scenario preset grid. Click a scenario once to apply it; click again or Reset all to clear.

Direct stick test

The direct stick test is a force-path check. Drag the dot on the pad and the physical stick should chase the spring centre, even at 0 KIAS. Use it when you want to prove the device, polarity, and spring path are alive without mixing in airspeed, ground, or buffet effects.

If the stick chases the dot but moves in the wrong direction, or pitch and roll feel swapped, fix that on Settings → Hardware — its axis test borrows this same Mock-driven path (auto-arming in Mock for the duration) and exposes the Invert axis polarity and Swap pitch/roll axes toggles.

Discrete state controls

The remaining controls are there to make scenarios understandable. Flap and spoiler changes only produce buffet when the aircraft is in a flying scenario with enough airspeed. Surface type only changes what you feel after Takeoff roll or another ground-roll scenario is active.

Live-sim lockout

Mock Sim and a live simulator are mutually exclusive. When FFB-Bridge detects a real MSFS or X-Plane stream, the Mock Sim page is disabled so the live flight remains the source of truth.

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