2026 Brand New WF-EN-55 Engine Test Bench

Mar. 06, 2026

2026 Brand New WF-EN-55 Engine Test Bench (Full Dimensional Testing Function, Multi-Channel Temperature Acquisition, Refined Engine Control, Intelligent Supporting Software)



WING FLYING - Drone Power Testing System

The WF-EN-55 engine test bench is a professional-level oil-powered unmanned aerial vehicle (UAV) power testing equipment launched by WING FLYING. It focuses on high-precision, multi-dimensional, and full-condition engine performance testing, and is compatible with UAV engines of 110–550CC specifications.

It can complete comprehensive testing of performance, status, fuel consumption, fatigue, etc. It is the core equipment for UAV power research and development, production verification, and quality testing, and serves as a benchmark product in the WING FLYING UAV power testing system.

Its design meets the actual testing needs of the oil-powered UAV power system, taking into account measurement accuracy, control flexibility, and environmental adaptability.

WF-EN-55 Engine Test Bench.png

WF-EN-55 Engine Test Bench


I. Core Adaptation and Testing Capabilities

Hardware Adaptation Range

  • Maximum installation weight of the power system: 35KG

  • Maximum propeller diameter: 65 inches

  • Recommended for 110–550CC oil-powered drone engines, accurately covering the power testing needs of small and medium-sized oil-powered drones.

  • Compatible with mainstream engine series such as Limbach, 3W, DLE, etc.


Limbach DL 550E engine.png


Limbach DL 550E engine


3W-342i B2 engine.png
3W-342i B2 engine


DLE400 engine.png

DLE400 engine



Full Dimensional Testing Function

  • Synchronous collection of core parameters: engine thrust, torque, speed, multi-part temperature, ambient air pressure/humidity

  • Supports fuel consumption detection and fatigue durability testing

  • Comprehensive verification of engine working status, performance limits, and reliability under different working conditions.



Logic diagram of engine testing system.png
Logic diagram of engine testing system


Core Measurement Indicators

  • Maximum thrust: 150KG, Torque: 150N·m, resolution 0.01 (kg/N·m)

  • Sensor accuracy: 0.2%+0.2% FS

  • Instantaneous overload: 200% F.S, Destructive overload: 400% F.S

  • Ensures accuracy of measurement and durability under high-load testing


II. High Precision and Multi-Type Data Collection

Dual Mode Speed Measurement

  • Optical RPM: 0–15,000RPM

  • Pulse mode: 0–60,000RPM

  • Resolution: 1 RPM, Accuracy: 0.05%+0.05% FS

Multi-Channel Temperature Acquisition

  • 2 PT100 cylinder head thermocouples: -20–250°C, accuracy ±0.3%

  • 2 K-type cylinder head/exhaust thermocouples: -20–650°C, accuracy 0.05%+1°C

  • 4 additional PT100/K-type spare interfaces

  • Simultaneous monitoring of core components for refined temperature analysis

Synchronized Environmental Parameter Collection

  • Atmospheric pressure: 30–110kPa, resolution 0.01kPa, accuracy ±0.06kPa

  • Ambient temperature: -40–85°C, resolution 0.1°C

  • Humidity: 0–100% RH, resolution 1% RH, accuracy ±3%

  • Real-time environmental data eliminates interference, improving reference accuracy


III. Perfect Engine Control and Stable Power Supply

Refined Engine Control


  • ECU Power Supply – Provides stable electrical power to the engine control unit

  • 300A High-Current Electric Start – Ensures reliable engine ignition

  • Dual Ignition Switches – Redundant ignition control for safety and flexibility

  • Dual Fuel Pumps – Supports consistent fuel delivery for different engine conditions

  • Servo Power Supply – Powers throttle and choke servos for precise control

  • PWM Signal Output – 2 channels of 333Hz PWM (800–2200ps) to accurately control throttle and choke servos


  • Engine State Simulation – Allows testing under various working conditions by simulating different engine states

Wide Voltage Stable Power Supply

  • AC 100–277V, UPS system, 12V/24V 20/10AH battery system

  • Equipment power consumption: DC 24V 0.5A

  • Maximum charging current: 15.4/7.7A

  • Ensures uninterrupted power supply in laboratory and outdoor scenarios


IV. Flexible Dual-Mode Communication and Intelligent Operation

Wired and Wireless Communication

  • Wired: High-speed 422 to USB and 485 to USB modules

  • Wireless: 2400MHz band, 20dBm power, up to 200m open range

Intelligent Supporting Software

  • Lingyi Aviation’s MET Engine series software

  • Dual interface: Chinese & English

  • Real-time monitoring, data processing, storage, and one-click professional report generation


V. Excellent Environmental Adaptability and Storage Characteristics

The device has strong adaptability to usage and storage environments, without the need for special temperature and humidity control, and can be adapted to different scenarios such as laboratory fixed testing and outdoor temporary testing:

Usage environment

Temperature 0-40 ° C, humidity ≤ 80%, no condensation; storage environment

Temperature -20-60 ° C, humidity ≤ 90%, no condensation.


VI. Core Advantages of the Product

Precise measurement

Adopting aviation grade sensors and advanced algorithms, the core parameter measurement accuracy is high and the overload resistance is strong. The test data can serve as the core basis for engine development and optimization;

Fully functional

Integrating parameter collection, engine control, fuel consumption/fatigue testing, one-stop solution to meet the full process testing requirements of oil powered drone engines;

Strong adaptability

Wide voltage power supply, dual-mode communication, wide temperature and humidity adaptability range, suitable for different testing scenarios and power supply conditions;Easy to operate


Core Advantages Summary:

High Precision: Aviation-grade sensors + advanced algorithms, reliable test data for R&D and optimization

Comprehensive Functions: One-stop solution for parameter acquisition, engine control, fuel consumption/fatigue testing

Strong Adaptability: Wide-voltage power, dual-mode communication, broad temperature/humidity adaptability

Easy Operation: User-friendly software, automatic report generation, low professional operation threshold

Overview: A professional-grade device for small and medium-sized fuel-powered drone engines, providing accurate data support for performance optimization and reliability improvement of drone power systems, and an essential equipment for drone enterprise R&D laboratories.


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