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Experience the forces your body expects in real driving and flying. The QS-BT1 Dual-Channel Seat Belt Tensioner is a high-performance, direct-drive seatbelt tensioner designed to deliver realistic, sustained load through your harness—making braking, cornering G-forces, acceleration, gear shifts, road texture and engine vibration feel physical and immediate.
If you’re building a serious sim racing cockpit or flight simulator rig, a seat belt tensioner is one of the most effective immersion upgrades available because it adds torso load cues that even premium wheels, pedals, and motion platforms can’t fully replicate.
Want to install this belt tensioner on more rigs? There is also a Trak Racer Universal Seat Belt Tensioner Bracket available to adapt the QS-BT1 to a wide range of simulators that use seat brackets and/or seat slider rails. The optional plate installs neatly under your existing seat mounts for a rigid, clean fit.
A simulator seat belt tensioner applies controlled harness force to simulate momentum and sustained load. This “body load” feedback helps you judge grip, weight transfer, and vehicle behaviour more naturally—especially under heavy braking and high-speed cornering.
Seat belt tensioners are widely used beyond motorsport simulation because they simulate momentum and sustained forces without requiring a full motion platform. The QS-BT1 suits multi-discipline setups, including:
The Trak Racer QS-BT1 is engineered to simulate real-world forces experienced in motorsport and aviation. From heavy braking and sustained cornering load to engine vibration, kerb strikes, and gear shift jolts, it delivers responsive, immersive feedback that motion alone can struggle to sustain. Designed for sim racers and flight sim enthusiasts who demand uncompromising realism.
| Force per channel | 200 N (20.5 kg / 45 lbs) |
| Combined maximum force | 400 N (41 kg / 90 lbs) |
| System type | Dual-channel, direct-drive belt tensioning |
| Compatibility | QS / PS / HS motion platforms, standalone, WindSim |
| Use case | Sim racing, flight sim, training, experimental builds |
| Safety | Motion-Lock circuit compatible, dual-voltage motor logic |
Feel the full weight of deceleration as the QS-BT1 dynamically tightens the harness, delivering physical feedback that mirrors real-world braking forces.
Dual channels respond in real time during high-G cornering, simulating lateral load as you hold a racing line, rotate the car at the limit, or manage a drift.
Experience engine pulses, kerb strikes, surface changes and vibration cues through your harness, enhancing realism across supported titles and training software.
Each gear change triggers a responsive harness tug to simulate the shift jolt experienced in high-performance vehicles.
Supports G-force simulation across vertical and lateral axes, including positive/negative G, banked turns, deceleration effects, and additional in-sim events where supported.
Motion platforms excel at short-burst movement cues, but sustained G-load is where a belt tensioner shines. Even high-end 6DOF systems can struggle to maintain prolonged physical load. Pairing motion with a dual-channel, 200 N-per-channel seat belt tensioner unlocks layered realism: motion delivers dynamic movement while the QS-BT1 delivers the sustained forces your body expects.
Trak Racer has a proud heritage in simulation since 2008, delivering professional-grade simulation hardware to enthusiasts and commercial training environments worldwide. Trak Racer partnerships with the BWT Alpine F1 Team, Airbus Aircraft, Porsche and more reinforce a reputation for engineering-driven performance across motorsport simulation, esports, and aerospace training applications.
This product is rated 4.8 of 5.0 stars.
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