Home Technology Bladeless Fluidic Propulsion System Airplane Prototype

Bladeless Fluidic Propulsion System Airplane Prototype


Jetoptera, a Seattle-based propulsion system, drone, and aerial mobility startup, is working on an innovative vertical takeoff and landing (VTOL) aircraft concept modeled on Dyson’s “bladeless fan” design.

source/image: Jetoptera

In the current design, a turboshaft engine drives an air compressor, which generates high pressure air. This jet of compressed air is spread across the outlet of the thruster.

source/image: Jetoptera

An aerodynamic mechanism known as the Coanda effect causes the fluid jet to remain attached to the surface of the thruster as it is forced out of the outlet.


Jetoptera completes several flight tests using its newly developed Fluidic Propulsion System (FPS™). The aircraft concept, has demonstrated the ability to reach speeds of 0.8 Mach (614 mph) during testing.

Thrusters can be shaped and distributed around an airframe in ways to maximize lift augmentation and distribute propulsion at the same time. Thrusters can also be easily swiveled, allowing for VTOL operations. The result is a high speed, compact system that can naturally hover.

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