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Horyzn Aerospace Silencio Gamma

Horyzn Aerospace Silencio Gamma


Silencio Gamma
Horyzn Aerospace
Munich, Bavaria, Germany

Founded in 2019, Horyzn is a student initiative consisting of 58 Bachelor, Master and PhD students from the Technical University of Munich (Munich, Germany). Our goal is to apply the theoretical knowledge gained in our studies by developing electric vertical takeoff and landing (eVTOL) unmanned aerial vehicle (UAV) to create innovative aerial electric uncrewed aircraft for real-world problems. 

Silencio Gamma is an uncrewed eVTOL cargo aircraft designed to be ultra-quiet and is the third prototype by Horyzn. The aircraft has four stationary downward facing VTOL propellers; for forward flight, has two stationary propellers at each wing-tip; has a long high wing; has a fuselage mounted conventional tail; and has two stationary front wheels for landing. The aircraft is a tail-dragger. This Silencio Gamma is the team's third prototype and is also a clean sheet modular design. 

In October 2020, the team finished Silencio Gamma after 11 months of  testing, building, crashing and then redesigning the aircraft. The have created a system where the drone can deploy a defibrillator to the scene of a medical emergency. The next project is to develop an eVTOL UAV for aerial medical transportation. The students are open to new students and institutions to join them.


  • Aircraft type: eVTOL cargo aircraft
  • Cruise speed: 70 km/h (43 mph)
  • Range: 51 km (32 miles)
  • Flight Time: 40 minutes
  • Maximum altitude: 4,600 m (15,092 ft)
  • Maximum payload: 2 kg (4 lb)
  • Propellers: 6 propellers
  • Electric Motors: 6 motors
  • Power source: Batteries
  • Fuselage: Carbon fiber reinforced polymer (CFRP) and glass fiber reinforced polymer (GFRP)
  • Wings: 1 high wing
  • Tail: Fuselage mounted conventional tail
  • Landing gear: 2 front stationary wheels
  • Safety Features: Distributed Electric Propulsion (DEP), provides safety through redundancy for its passengers and/or cargo. DEP means having multiple propellers and motors on the aircraft so if one or more motors or propellers fail, the other working motors and propellers can safely land the aircraft.