EIVIE Investors

Uncrewed heavy-lift aircraft

Helicopter lift. Airplane range. Zero crew.

Annular-wing aircraft, from heavy lift to small drones.

Damjan Zabovnik explains the aircraft
Unmanned Systems Technology · Sept 2026

Flight
EIFAST highlights. All our videos →

Compact cargo drones

  • PayloadInside the fuselage
  • TakeoffVertical
  • PowerElectric

The annular wing at drone size, with the load carried inside.

0.7 m frame from above, to scale0.7 m frame78 km3 kg
1.1 m frame from above, to scale1.1 m frame86 km6 kg

Full-size cargo drones

  • Payload150 kg
  • Efficiency8× a quadcopter
  • Endurance~83 min
  • Size3.8 × 4.0 m
  • Weight220 kg
  • PowerElectric, direct drive

Hovers like a helicopter, cruises on its wing.

EIFAST: an annular wing around two counter-rotating lift propellers, with pushers at the wing roots
CRUISE
HOVER

Technology

Why it is different

BuiltThe 1 m EIFAST airframe: an annular wing around the body
  • Big props, few moving parts: direct-drive electric
  • No swashplate: fixed-pitch blades

Traction

What we have done

NASA SBIR Phase I

Completed June 2026

Business Oregon

Grants awarded

Oregon UAS Accelerator

Cohort 3

Flying since 2022

Circular-wing prototypes

Patents pending

4 U.S. applications

Leadership

The people building it

  • Damjan ZabovnikFounder & CEOLinkedIn
  • Oleg Kuybeda, PhDFounder, CTO & PresidentLinkedIn

Full team, advisors and backgrounds: investor room.

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