Sub-scale · Hydrogen-electric VTOL

S-Series

Flight proven. 5 kg over 250 km. On hydrogen, without a pilot.

Already flying.

On hydrogen.

Without a pilot.

Compact hydrogen VTOL

Small airframe. Long reach.

Range
0 km
Payload
0 kg
Cargo volume
0 L
Autonomous flight
0 %

Flight-tested · S2

Hydrogen in
every flight phase.

Hydrogen in every flight phase

Fully autonomous mission

Demonstrated in flight. Not simulated.

  1. Take-off8 lift rotors, no runway
  2. TransitionRotors hand over to the wing
  3. CruiseOver 100 km/h on the wing
  4. Back-transitionThe wing hands back to the rotors
  5. LandingBack on the pad

Sub-scale S2 · 3.50 m wingspan

Scaled down. Already flying.

CAD render of the Vortex S-Series with eight lift rotors, seen from below
Same architecture The F-Series layout at sub-scale
8 lift rotors Vertical take-off and landing. No runway.
Wing-borne cruise Flies like an aircraft for range
Hydrogen-electric Fuel cell powertrain, patent validated in flight
5 kg · 120 L Payload bay in the fuselage
Vortex S2 in hover flight against a blue sky, seen from below

S2 · Flight hardware

From render to reality.

Every part of the model, built and flight-tested.

Flight record

Proven
step by step.

  1. Sep 2024

    First flight of S1

  2. Nov 2024

    Full transition

  3. Dec 2024

    First autonomous flight

  4. Aug 2025

    Hydrogen-powered flight

  5. Jan 2026

    Fully autonomous mission

  6. May 2026

    Hydrogen in every flight phase

All progress updates
Test flights on request

See it fly
on your site.

We fly the S-Series with selected partners, on their routes and in their weather. Flight operations and hydrogen supply are on us.

Request a test flight
Progress updates