China Drone Engine Manufacturers Suppliers Factory - Customized Drone Engine

Limbach DL550E 50HP UAV Piston Engine

The Limbach DL550E (L550E) is a four‑cylinder horizontally‑opposed air‑cooled two‑stroke piston engine. Adopting solid‑state magneto ignition and mixture lubrication design, it supports both pusher‑type and tractor‑type installation. It delivers stable 37 kW (50 HP) power output, features excellent power‑to‑weight ratio, low‑vibration performance and high reliability, widely adopted for large‑scale fixed‑wing UAV, VTOL platforms and unmanned helicopters.

Four‑cylinder horizontally‑opposed layout, low vibration for long‑duration UAV missions

Air‑cooled two‑stroke design, simple structure, high power‑to‑weight ratio

Solid‑state magneto ignition, stable ignition performance under harsh flight conditions

Mixture lubrication, compatible with gasoline / 100LL aviation fuel

Support pusher‑mount & tractor‑mount installation

Mature field‑proven platform, widely deployed for industrial UAV projects worldwide

Application Scenarios

Suitable for UAV take‑off weight 200‑450 kg fixed‑wing / VTOL drone; 100‑160 kg unmanned helicopter.

Long‑endurance fixed‑wing UAV

Heavy‑lift VTOL industrial drone

Unmanned helicopter platform

Surveillance & mapping UAV

Patrol & monitoring airborne systems

Core Features of Micro Turbojet Engine

High‑thrust fuel‑powered propulsion, delivering stable thrust output under ISA standard atmospheric conditions, suitable for high‑speed unmanned aerial vehicles, target drones and experimental aircraft.
Compact cylindrical metal structure with high power‑to‑weight ratio, offering strong thrust while keeping overall weight controlled.
Supports wide operating altitude, maximum flight altitude up to 12000 m, adapts to high‑altitude flight missions.
Excellent overload resistance, withstands 6 g maneuvering overload and 25 g impact overload, reliable for intense flight conditions.
Mature thermal design, stable exhaust temperature performance, equipped with complete wiring harness for convenient installation and signal connection.
Clear maintenance cycle: 25‑hour scheduled maintenance period to guarantee long‑term operational safety.
Low specific fuel consumption, reasonable fuel consumption at maximum speed, balances power output and fuel economy.

Products Description

Industrial‑grade micro turbojet engine, delivers high thrust for high‑speed target drones, jet UAVs and hybrid VTOL platforms, supports bench R&D tests and real‑flight validation.

Power Source for High‑Speed Target Drones： Serve as core power unit for high‑speed target drones and threat‑simulating vehicles, for anti‑drone & air‑defense system detection, tracking, interception tests and military drills.

Jet‑Powered UAV & Loitering Munition Propulsion： Equip fixed‑wing jet UAVs for long‑duration high‑speed cruise; act as propulsion for loitering platforms to achieve high‑velocity, long‑range flight.

R&D Test Platform for Research Institutes & Universities： Ground bench test and flight validation for turbojet research, fluid dynamics, flight‑control algorithms, thermal management and fuel‑control systems.

Aviation Power Teaching & Training： Used in vocational schools and training institutions for aviation‑power hands‑on training: turbojet disassembly‑assembly, ignition debugging and fuel‑system practical teaching, serve as demonstration teaching aids.

Ground Jet Blast Simulation Test： Ground high‑temperature high‑speed jet flow simulation, evaluate material heat‑resistance, protective coating performance and component anti‑erosion capability.

Jet‑Assisted VTOL Hybrid UAV： Combine with multirotor units for hybrid VTOL: multirotor for vertical take‑off & landing, turbojet delivering high‑speed forward thrust for long‑range cruise.

Large‑Scale Jet RC Aircraft： Provide high thrust for large jet RC model aircraft to support high‑speed model flight.

Special Industrial Validation Carrier： Test airborne sensors, data links and autopilot performance under high‑speed and high‑temperature jet‑engine operating conditions.

Power for Aerial Decoy Vehicles： Power source for airborne decoy platforms, simulate infrared signature and velocity features of real jet aircraft for countermeasure jamming drills.

High Thrust Turbojet Engine

TH-WP Series Turbojet Engines

Our TH-WP turbojet engines are high-performance, compact gas turbine power units engineered for high-speed unmanned aerial vehicles, target drones and VTOL aircraft platforms. Built with fully integrated accessories, these engines deliver reliable, high thrust output with outstanding thrust-to-weight ratio.

High thrust turbojet engine TH-WP60 for high speed unmanned aerial vehicle

Wide thrust range covering 41kgf to 220kgf to match different flight missions
Maximum service ceiling up to 12,000 meters, stable operation at high altitude
Plug-and-play design for easy installation and rapid integration into airframes
Integrated fuel and lubrication system, supporting vertical ignition and fast startup
Optional on-board power generation module up to 2.5kW to supply aircraft electronics
25-hour service interval, low maintenance cost for commercial and industrial applications

Turboshaft Engine

TH-WZ150 Turboshaft Engine | High Power-to-Weight Ratio UAV Turboshaft

The TH-WZ150 turboshaft engine features high integration, compact structure and excellent power-to-weight ratio. It is specially designed for small rotor unmanned helicopter platforms. Boasting a wide starting envelope, this engine can be started directly at altitudes ranging from 0 to 5000 meters, delivering stable and reliable shaft power for vertical takeoff and landing unmanned aircraft.

TH-WZ150 UAV turboshaft engine with purple intake and red interface cover white background product photo

High Power-to-Weight Ratio

Compact size with 150kW rated output power, 65kg total weight, ideal for lightweight unmanned helicopter integration.

Wide Altitude Starting Capacity

Supports direct startup from sea level up to 5000m, adapts to plateau and mountainous mission environments.

High Integration Design

Integrated lubrication and control system, simple installation and convenient maintenance.

Stable Shaft Output

Consistent output shaft speed, low vibration, suitable for continuous operation of rotor systems.

Turbine Power Generation System

TH-WD300 Turbine Power Generation System | 300kW VTOL UAV Turbine Generator

The TH-WD300 turbine power generation system is tailor-made for VTOL aircraft platforms. It features heavy-load capacity and ultra-long endurance performance. Equipped with AI control algorithm and fault prediction function, the whole system realizes real-time health monitoring, ensuring high safety and reliability during long-duration flight missions.

TH-WD300 turbine power generation system for VTOL unmanned aircraft purple intake white background product photo

300kW High Electrical Output: High power generation capacity, perfectly meets the high energy demand of large VTOL unmanned aircraft.
AI Control & Fault Prediction: Built-in intelligent control strategy, supports real-time status monitoring and early fault warning to reduce flight risks.
Excellent Fuel Economy: Low SFC of 0.45 kg/kW·h, greatly improves the endurance of hybrid VTOL platforms.
Wide Altitude Adaptability: Supports startup up to 5000m, and can operate continuously at altitude up to 12000m, suitable for plateau and high-altitude missions.
High Integration Design: Compact overall structure, convenient for installation and integration into hybrid power VTOL systems.

FAQ

Q: What fuel is suitable for these micro turbojet engines?

A: Recommended fuel is Jet A‑1 / kerosene. Please use qualified filtered aviation‑grade fuel. Impure fuel will cause component wear and void warranty. Diesel or gasoline is not allowed.

Q: What is the maintenance cycle of the turbojet engine?

A: The scheduled maintenance period is 25 operating hours. After reaching the cycle, inspection, cleaning and wearing‑part replacement are required to guarantee long‑term safe operation.

Q: What is the maximum starting altitude and maximum flight altitude?

A: TJ40‑TJ100 series max starting altitude: 4000 m, max flight altitude: 12000 m. TJ125‑TJ160 series max starting altitude:4500 m, max flight altitude:12000 m. Thrust will decrease as altitude rises under ISA conditions.

Q: What drone platforms fit for Limbach DL550E engine?

A: It is designed for 200‑450kg take‑off weight fixed‑wing / VTOL UAV and 100‑160 kg unmanned helicopter platforms.

Q: What fuel can DL550E use?

A: Unleaded 95‑grade gasoline or standard 100LL aviation gasoline, mixed with two‑stroke synthetic oil at 50:1 ratio.

Q: Is starter and generator included in standard unit?

A: Starter and generator are optional accessories, not included in standard configuration.

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