Name: Yuntu 200kg Class Electric Ducted Fan
Brand: Yuntu Aircraft

200FANKG

maximum thrust

1.2M

blade diameter

2500RPM

takeoff rated speed

50KW

maximum motor power

Full Engineering Specifications

Technical Specifications & Parameters

Dynamic Aerodynamic Visualization

blade diameter

1.20m

exit diameter

0.72m

duct chord

0.45m

hub diameter

0.24m

maximum thrust

200fankg

blade number

strut number

takeoff rated speed

2500rpm

cruise rated speed

2500rpm

maximum motor power

50kw

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Aerospace Agility Architecture

Propulsion Engineering Innovations

Optimized for high thrust-to-weight ratio, rapid transient throttle agility, and seamless wing-surface boundary layer blown integration.

Distributed DEP

Aerodynamic Blown-Wing Nacelle Contour

Contoured duct profile specifically tailored for multi-unit spanwise wing integration, energizing the wing boundary layer and delivering up to a 22% improvement in cruise lift-to-drag ratio.

1.2 m

Shroud Outer Diameter

Dynamic Throttle

Sub-200ms Transient Throttle Agility

Ultralow-rotor-inertia design paired with high-bandwidth Field-Oriented Control (FOC). Delivers 0 to 100% full-thrust step changes in under 200 ms for active multi-axis pitch/roll control.

<200 ms

0–100% Step Response

Integrated Controller

Motor Tail-Cone Air-Cooled SiC Inverter

Aerodynamically integrated into the motor hub tail cone. Utilizes the central core airflow stream for convective cooling, eliminating external coolant lines and saving 4.5 kg of airframe plumbing mass.

18 kW/kg

Inverter Power Density

Modular Architecture

Quick-Disconnect Field Replaceable Unit

Incorporates an aerospace quick-clamping radial flange and blind-mate electrical connectors, enabling complete powertrain exchange in under 10 minutes in expeditionary field conditions.

<10 min

Field Replacement Time

Mission Profiles & Sizing

Target Aircraft Configurations

Proven power allocation models for agile tactical drones, jet-emulation target platforms, and distributed lift-plus-cruise aircraft.

Tactical Fixed-Wing UAV

600–1,200 kg Long-Endurance ISR & Logistics Drone

Dual or quadruple wing-mounted configuration providing high cruise efficiency at 180–240 km/h with extended loiter duration over tactical reconnaissance perimeters.

Propulsion Layout:2–4 Wing-Mounted Nacelles

Thrust Ratio:Cruise T/W = 0.25 – 0.32

Target MTOW:600 – 1,200 kg MTOW

High-Speed Target & Jet Trainer

High-Speed Jet-Emulation Drone (350+ km/h)

Fuselage-embedded single or twin ducted fan providing high dynamic pressure exhaust and agile high-G acceleration resembling turbojet flight envelopes.

Propulsion Layout:Internal Fuselage Flow Duct

Thrust Ratio:High-Speed Jet Emulation

Target MTOW:450 – 800 kg MTOW

Distributed Blown-Wing eVTOL

Multi-Unit Agile Lift-Plus-Cruise Aircraft

8 to 12 distributed thrusters along the leading edge generating super-circulation lift during low-speed transition and quiet forward cruise.

Propulsion Layout:8–12 Units Distributed (DEP)

Thrust Ratio:T/W = 1.25 – 1.35

Target MTOW:1,400 – 2,200 kg MTOW

Airframe Integration

Aerospace Engineering Deliverables

Full engineering dataset provided to structural and flight mechanics teams for rapid airframe matching.

Thrust-to-Airspeed Polar Curves

High-Speed Wind Tunnel Performance Dataset

Empirical wind tunnel balance polar data across forward velocities from 0 to 100 m/s, documenting duct ram-recovery and aerodynamic drag drag-rise margins.

Format:CSV, MATLAB & Technical Report

Flange Dimensions & Dynamic CG Coordinates

3D CAD Model & Mechanical Interface Package

Precision mounting ring bolt patterns, rotor polar moment of inertia, and modal resonance vibration frequency charts.

Format:STEP / IGES / Parasolid

CAN Aerospace & RS-485 Fast Bus Specification

Avionics Control Protocol & Telemetry ICD

Sub-millisecond latency telemetry bus protocol delivering real-time phase currents, rotor angle, PCB temperatures, and vibration alerts.

Format:ICD & Firmware Interface Guide

Step Response & Inrush Current Envelope

Multi-Voltage Dynamic Thermal Characteristic Curves

Dynamic acceleration curves covering 400V to 600V DC operating ranges and maximum transient surge current tolerances.

Format:Digital Curves & Lookup Tables

Technical Inquiries

Frequently Asked Questions

Thanks to the low rotational inertia of the rotor assembly and optimized field-oriented flux control, the unit achieves 0 to 100% full-scale thrust transition in under 200 milliseconds, allowing flight control computers to use differential thrust directly for primary roll and yaw stabilization.

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Environmental Test Report

Extreme Environment Qualification: 52°C Heat & Heavy Sandstorm Environmental Chamber Test Report

Official 150-hour qualification test logs in 52°C ambient heat and continuous silica sandstorms. Verified PMSM stator thermal balance and IP67 labyrinth seals.