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FH-DL106
Feihong
Servo-driven roller dynamometer for electric motorcycles & self-balancing unicycles (EUC). 0–160km/h loaded test speed, 250km/h unloaded roller speed, 0–550N·m programmable load torque. Tests max speed, road simulation, acceleration, hill-climb, range, and energy consumption with full data curve recording and report export.
Key Features
64.6kW servo drive, 0–550N·m programmable load torque
Loaded test speed up to 160km/h, roller speed up to 250km/h (unloaded)
Supports both active (vehicle self-driven) and passive (roller-driven) modes
Simultaneous monitoring of speed, torque, power, voltage, current, mileage
Stable high-speed clamping fixture — no vehicle sway at top speed
Auto curve plotting and exportable test reports
Why Electric Motorcycles & Self-Balancing Unicycles Need Chassis Dynamometer Testing
Choosing the Right Chassis Dynamometer for Your Production Line
Electric motorcycles and self-balancing unicycles (EUCs) rely on high-torque hub or mid-drive motors paired with battery packs that must deliver consistent power across a wide speed range — often well above 100km/h for performance models. Before these vehicles reach the market, manufacturers need lab-based proof that the drivetrain, controller, and battery can sustain rated speed, climb grades, and deliver the advertised range under realistic load.
A chassis dynamometer for electric two-wheelers reproduces road resistance on a roller bench, letting engineers run repeatable, controlled tests without road risk, weather variability, or the need for a closed test track. For self-balancing unicycles specifically, stability at speed is a unique safety concern — the test bench must hold the vehicle securely while still allowing the drive wheel to spin freely at speeds up to 150km/h.
This is exactly the gap the FH-DL106 electric motorcycle and unicycle dynamometer is built to fill: programmable load simulation, high-speed mechanical stability, and complete data acquisition in a single test bench.
The FH-DL106 is a servo-motor-driven roller dynamometer purpose-built for electric motorcycle road simulation testing and self-balancing unicycle speed and load testing. The vehicle is mounted on a dedicated fixture (currently a pedal-clamp design for unicycles), its drive motor is powered as in normal operation, and a load servo motor applies a programmable resistive torque to the roller — simulating wind resistance, rolling resistance, and gradient.
During the run, the system continuously logs torque, rotational speed, voltage, and current, then calculates load power and input power in real time, plotting performance curves for engineers to review.
What sets the FH-DL106 apart is its dual capability:
Active mode — the vehicle drives itself, as in normal riding (tests real-world drivetrain and battery behavior)
Passive mode — the roller drives the wheel (used for coast-down, mechanical resistance, and component durability checks)
This means one bench covers electric motorcycle performance testing, self-balancing unicycle stability testing, and electric two-wheeler range/energy consumption testing without changing equipment.
Electric motorcycle and self-balancing unicycle testing intersects several international and regional frameworks, depending on target export markets:
GB/T 24156 — covering electric motorcycle/moped performance, speed, and energy consumption test methods
EN 17128 (EU, for pedal-assist e-bikes, referenced where applicable to hybrid configurations)
UL 2272 -type battery and drive-system safety expectations increasingly required by importers of self-balancing personal mobility devices
While there is not yet a single unified global standard specifically for self-balancing unicycles, buyers in the EU, US, and Southeast Asia increasingly request third-party verified max speed, range, and load-test data as part of due diligence before purchase — which is precisely the data the FH-DL106 is designed to generate and export.
The FH-DL106 supports a full suite of performance tests on a single chassis dynamometer:
Maximum speed test — verifies the vehicle reaches its rated top speed (130–150km/h typical for performance unicycles) under load
Road-load simulation test — reproduces real-world rolling and air resistance via programmable torque
Acceleration performance test — including standard 0–100km/h-style acceleration benchmarking
Hill-climb test at constant speed — verifies torque output and motor thermal stability on simulated gradients
Range (mileage) test — runs the vehicle to depletion under a defined load profile to validate advertised range
Energy consumption per 100km test — calculates input power vs. distance for energy-efficiency claims
Input/output power and efficiency curve generation — for R&D and quality benchmarking
This makes the bench equally useful for electric motorcycle dynamometer testing, EUC (electric unicycle) test benches, and general electric two-wheeler chassis dyno applications across product development, pre-shipment QC, and after-sales failure investigation.
Self-balancing unicycles have no separate chassis to clamp, so the FH-DL106 uses a pedal-clamp fixture that holds the vehicle firmly while the wheel spins freely at up to 150km/h — engineered specifically to eliminate sway and vibration at top speed, a common failure point of generic roller benches.
A servo-driven load motor applies programmable damping torque up to 550N·m, allowing engineers to simulate everything from flat-road cruising to steep-grade climbing without changing hardware.
The bench supports both self-driven (active) testing, where the vehicle's own motor powers the wheel, and roller-driven (passive) testing, where the bench spins the wheel — useful for mechanical durability and coast-down resistance testing.
The fixture accommodates up to 150kg of added weight (excluding the 100kg vehicle itself), so tests can replicate a rider standing and operating the unicycle under real load conditions.
Real-time monitoring and logging of:
| Parameter | Purpose |
|---|---|
| Speed (km/h) | Verifies rated/max speed performance |
| Torque (N·m) | Confirms load simulation accuracy |
| Power (kW) | Calculates input/output efficiency |
| Voltage & Current | Validates battery and controller behavior |
| Mileage (km) | Supports range and energy-consumption testing |
No external DC power supply is required for these readings — the system reads directly from the vehicle under test.
| Specification | Details |
|---|---|
| Drive Power | 64.6kW servo motor |
| Maximum Load Torque | 550N·m |
| Maximum Test Speed (Loaded) | 160km/h |
| Maximum Roller Speed (Unloaded) | 250km/h |
| Maximum Passive-Drive Speed | ≥60km/h |
| Added Test Weight Capacity | 150kg (excluding 100kg vehicle weight) |
| DC Regulated Power Supply | 400V, 200A |
| Test Bench Dimensions | 3190 × 2000 × 2910mm (L×W×H) |
| Ramp Plate Dimensions | 2280 × 1400mm (L×W) |
| Power Supply Unit Dimensions | 1040 × 1000 × 2100mm |
| Control Cabinet Dimensions | 690 × 1400 × 1900mm |
64.6kW drive power and 550N·m load torque cover the full performance envelope of high-speed electric motorcycles and performance unicycles, including steep simulated gradients.
160km/h loaded / 250km/h unloaded roller speed gives headroom well above current commercial unicycle top speeds (130–150km/h), so the bench won't become a bottleneck as vehicle performance improves.
150kg added weight capacity lets manufacturers test realistic rider-plus-cargo scenarios, not just an unloaded vehicle.
400V/200A DC supply accommodates high-voltage battery packs common in performance EUCs and electric motorcycles.
The electric motorcycle or self-balancing unicycle is mounted on the test fixture and clamped — for unicycles, via the pedal-clamp mechanism — to prevent sway at high roller speed.
The operator sets load torque, target speed profile, and test mode (active or passive) according to the test being run — max speed, hill-climb, acceleration, or range.
The vehicle's own motor is powered and started (active mode), or the roller drives the wheel (passive mode). The load servo motor applies the programmed resistive torque throughout the run.
Speed, torque, voltage, current, and mileage are recorded continuously. The system calculates load power and input power, plotting performance curves live.
On test completion, all recorded data is compiled into a report that can be exported for quality documentation, R&D comparison, or customer/certification submission.
Confirms advertised top speed, range, and energy consumption figures with repeatable, lab-based data — reducing the risk of post-sale disputes over performance.
Engineers can test drivetrain and controller tuning changes on the bench instead of road testing, cutting development cycles and removing weather/track dependency.
Running unicycles at 130–150km/h on a public road or even a closed track carries real operator risk. The FH-DL106's stable fixture allows this validation indoors, under controlled conditions.
| Benefit | Explanation |
|---|---|
| Documented performance data | Supports buyer due diligence in EU/US/SEA markets |
| Repeatable QC testing | Useful for pre-shipment batch verification |
| Failure investigation | Recreates load conditions to diagnose field returns |
When evaluating a chassis dynamometer for electric motorcycles or self-balancing unicycles, consider:
Make sure the bench's maximum roller speed and load torque exceed your current top-of-range product specs — the FH-DL106's 250km/h unloaded roller speed gives several years of headroom as unicycle performance increases.
A bench that can't hold the vehicle steady above 100km/h produces unreliable, potentially dangerous test runs. Ask vendors specifically how their fixture performs at rated top speed.
Active-mode testing validates the real drivetrain and battery; passive-mode testing isolates mechanical resistance. A bench limited to only one mode gives an incomplete picture.
Confirm the system can export reports in a format compatible with your QC documentation or certification submission workflow.
Manufacturer Y from HeBei preparing to launch a new 150km/h model used a chassis dynamometer to validate top speed stability and confirm the motor and controller could sustain rated torque without overheating during simulated hill-climbs — issues that would be far riskier and harder to diagnose on a public road test.
Manufacturer Z from Chongqing targeting EU export used bench-based range and energy-consumption testing to generate the performance documentation requested by distributors before finalizing a purchase order, shortening the sales cycle by providing verifiable data upfront rather than relying on field-test claims alone.
It is designed for electric motorcycles and self-balancing unicycles (EUCs), and can accommodate added test weight to simulate a rider standing on the vehicle.
No. Speed, torque, power, voltage, current, and mileage are read directly without needing a separate DC power source for data acquisition (a 400V/200A DC supply is provided for powering the test vehicle itself where needed).
Yes. The vehicle can either drive itself under its own motor power (active mode) or be driven by the roller (passive mode), covering both real-world performance testing and mechanical resistance testing.
The bench uses a pedal-clamp fixture specifically engineered to keep the vehicle steady without sway, even as roller speed approaches the maximum unloaded speed of 250km/h.
The system logs speed, torque, power, voltage, current, and mileage in real time, auto-plots performance curves, and exports complete test reports for QC or R&D documentation.
Up to 550N·m, which is sufficient to simulate steep gradients and high-resistance road conditions for high-power electric motorcycles and unicycles.
Electric Bicycle Chassis Dynamometer — for pedal-assist e-bike performance and range testing
Battery Pack Discharge & Range Test Systems — for isolated cell/pack-level energy validation
Motor Controller Bench Test Equipment — for drive electronics validation independent of the full vehicle
E-Scooter Speed & Load Test Benches — for shared-mobility and personal e-scooter performance testing
Feihong Machine (Dongguan Feihong Instrument and Equipment Co., Ltd.) designs and manufactures precision testing equipment for electric two-wheelers, including the FH-DL106 chassis dynamometer for electric motorcycles and self-balancing unicycles.
To get started:
Request a Quote — tell us your target vehicle specs (top speed, power, weight) and we'll confirm the right configuration
Request Technical Datasheet — full mechanical drawings and electrical specifications
Schedule a Demo — see the FH-DL106 run a live max-speed or range test
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