Mar. 06, 2026
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
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

3W-342i B2 engine

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
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
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
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
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
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.
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
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.
E-mail: sandy@wing-flying.com
Add.: 7th Floor, B2#,Animation Building, Sino-Singapore Tianjin Eco-City