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BOLD Engine for Cargo Drone J-500 Passes First Test

By 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 aerial vehicle to fly quickly and relatively quietly.

Jetoptera exhibited for the first time at the Paris Air Show and announced the test results on this occasion.(Image: Jetoptera)
Jetoptera exhibited for the first time at the Paris Air Show and announced the test results 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 the company 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 test (FETT) was evaluated in the Netherlands, specifically at the company Van der Lee Turbo Systems in Zaandam.

The centerpiece of the propulsion system is a 250 kW turbo compressor. It consists of a two-stage motor with a free-running turbine mechanically coupled to 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 demonstrated a very smooth start and excellent operability when operated in turbofan mode. The engine was instrumented in this configuration to monitor pressure, temperature, and the generated thrust. The next step involves performance testing of the turbo compressor, followed by integration with the FPS into the J-500 airframe," explains Dr. Andrei Evulet, CEO/CTO at Jetoptera.

The J-500 prototype was specifically developed for the market in the United Arab Emirates and the Middle East and North Africa region. With the FPS, the unmanned aerial vehicle is designed to transport cargo while performing vertical take-offs and landings and moving particularly quickly, reliably, and with low noise emissions thanks to the patented propulsion system. The modularity of the FTC-250 system enables the operation of its components in turbojet, turbofan, and FPS modes.

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

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