Engine for J-500 cargo drone passes first test

BOLD Engine for J-500 cargo drone passes first test

2025-07-24 From Jetoptera | Translated by AI 1 min Reading Time

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The engine for Jetoptera's J-500 cargo drone has passed its first test. The innovative Fluidic Propulsive System is designed to enable the unmanned aircraft to fly quickly and relatively quietly.

Jetoptera exhibited for the first time at the Paris Air Show and announced the results of the test on this occasion.(Image: Jetoptera) — Jetoptera exhibited for the first time at the Paris Air Show and announced the results of the test on this occasion.
(Image: Jetoptera)

The first test of the engine for the J-500, a 500-pound cargo drone, was successful. This was announced by Jetoptera at the Paris Air Show 2025. The J-500 is a VTOL cargo unmanned aircraft system and is being developed by Jetoptera in collaboration with Eanan Al Samma. The first engine to be tested (First Engine to Test, FETT) was evaluated in the Netherlands, more precisely at Van der Lee Turbo Systems in Zaandam.

At the heart of the drive system is a 250 kW turbocompressor. It consists of a two-stage motor with a freewheel turbine that is mechanically coupled with a two-stage axial compressor to generate the required flow rates and pressure ratios. The manufacturer has named the system Fluidic Propulsive System, or FPS for short.

"The FETT showed a very smooth start and very good operability when operating in turbofan mode. The engine was instrumented in this configuration to monitor pressure and temperature as well as the thrust generated. The next step involves measuring the performance of the turbocompressor, followed by integration with the FPS in the J-500 airframe," explains Dr. Andrei Evulet, CEO/CTO at Jetoptera.

Mit dem Digitalen Hangar gewährt das DLR Einblicke in eine mögliche Zukunft der Luftfahrt. Die Seite digital-hangar.de ist jetzt online. (Bild: DLR (CC BY-NC-ND 3.0))

The J-500 prototype was developed specifically for the market in the United Arab Emirates and the Middle East and North Africa. With the FPS, the unmanned aircraft is designed to transport cargo and not only perform vertical take-offs and landings, but also move particularly quickly, reliably and with low noise emissions thanks to the patented propulsion system. The modularity of the FTC-250 system allows its components to be operated in turbojet, turbofan and FPS mode.

In addition to Van der Lee Turbo Systems, Parametric Solutions was involved in the development and production of the FTC-250 architecture.

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Date: 08.12.2025

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