HOL-TRIN
Distributed Electric Propulsion Testing

Distributed Electric Propulsion

Test up to 8 motors and propellers simultaneously

Distributed Electric Propulsion Testing

Distributed Electric Propulsion

Test up to 8 motors and propellers simultaneously

1000 Hz sampling rate

Measure vibration, evaluate ESC responsiveness, and characterize the dynamic response of motors and propellers

Crosstalk calibrated load cell

Inspired by ASTM E74/E2624 standards, enhanced for precise multi-force measurement.

I/O API and Python control

Use our API to read and control extra sensors, CAN ESCs, and more (I/O Enhanced API license needed).Fully control the software using Python.

Technical specs

Specifications

Specification
Value
Max Motors
8
Thrust
15-150 kgf
Torque
8-150 Nm
Voltage
180-1000 V
Current
150-500 A
Rotation speed
16,800-30,000 RPM
Sampling rate
1,000 Hz

Available in 3 Sizes

Choose the DEP testing platform configuration that best matches your aircraft and propulsion requirements.

Small DEP Configuration

Compact DEP System

Designed for lightweight UAVs and small drone platforms requiring synchronized multi-motor characterization.

  • Small propulsion systems
  • Research laboratories
  • Compact testing environments
Medium DEP Configuration

Medium DEP System

Ideal for medium-sized drone platforms and advanced propulsion system validation.

  • Medium UAV platforms
  • Higher thrust capacity
  • Multi-propeller optimization
Large DEP Configuration

Large DEP System

Built for large-scale distributed electric propulsion aircraft and heavy-lift drone testing.

  • Heavy-lift aircraft
  • High-power propulsion
  • Enterprise & aerospace testing

Test in Different Configurations

Recreate the layout of motors and propellers in your drone for realistic testing

Quadcopter style

Quadcopter style

Back-to-back coaxial

Back-to-back coaxial

Single file

Single file

...and More

...and More

8 Powertrains - 1 Software

Control all 8 powertrains from a single software interface

Flight Stand Software

Flight Stand Software

Flight Stand Software

Dynamic testing with manual or automatic control

Included with your DEP Testing System

Flight Stand Software

Features

  • 1,000 Hz sampling rate
  • Real-time testing
  • Manual and automated control
  • Python API
  • Powertrain mapping
  • Automation wizard
  • Multi-powertrain testing (DEP)

Acquired Data

  • Thrust and torque
  • Voltage and current
  • RPM
  • Mechanical and electrical power
  • Propeller efficiency
  • Motor efficiency
  • Overall system efficiency

Automated Tests

  • Flight replay test
  • Endurance test
  • Step test
  • Ramp test
  • Constant thrust testing
  • 90% Settling Time Test
  • + More

Build Your DEP Testing Platform

Contact our team to configure a distributed electric propulsion testing system tailored to your aircraft architecture and testing requirements.

Applications

  • eVTOL propulsion testing
  • UAV development
  • Aerospace R&D
  • Multi-motor optimization
  • ESC validation
  • Performance mapping