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Sabie Mad Bat (technology demonstrator)

Razvan Sabie Mad Bat passenger eVTOL subscale technology demonstrator aircraft in flight

 

Mad Bat (technology demonstrator)
Razvan Sabie
Bucharest, Romainia
www.mad-bat.com

Razvan Sabie is based in Bucharest, Romania. Sabie has invented and designed an electric vertical takeoff and landing (eVTOL) and a hybrid-electric VTOL passenger aircraft for advanced air mobility (AAM). Sabie also has a patent on his ADIFO aircraft design. (Image credit: Razvan Sabie)

Mad Bat eVTOL subscale technology demonstrator aircraft
The Mad Bat is a remote controlled eVTOL subscale technology demonstrator aircraft. The aircraft holds one small light weight mannequin and has no canopy over the cockpit. According to one report, the Mad Bat Technology Demonstrator first flew on September 27, 2022. The inventor calls the Mad Bat a multipurpose tilt biplane VTOL aircraft. The aircraft is also scalable to larger sizes holding four to five passengers. For air cargo service, the aircraft is scalable to become a heavy-lift air cargo aircraft.

For the production model aircraft, it will have one enclosed box wing that tilts for VTOL and forward flight. It is unknown if the box wing on the technology demonstrator moves from the vertical to the horizontal position. The subscale flying demonstrator has four open propellers, four electric motors and is powered by battery packs. It is unknown what material is used for the fuselage of the aircraft. The aircraft lands on a fixed strut landing gear arrangement.

The inventor foresees his aircraft to be used for multiple uses such as surveillance, mapping, air cargo delivery, personal transportation, air taxi service and military service.

Preparing the Mad Bat Technology Demonstrator for flight

Preparing the Mad Bat Technology Demonstrator for flight

Mad Bat Technology Demonstrator in flight in an open field

Mad Bat Technology Demonstrator in flight in an open field

Specifications:

  • Aircraft type: Subscale eVTOL technology demonstrator aircraft
  • Piloting: Remote control
  • Cruise speed: Unknown
  • Maximum payload weight: Unknown
  • Propellers: 4 ducted propellers
  • Electric motors: 4 electric motors
  • Power source: Battery packs
  • Fuselage: Unknown
  • Window: Open cockpit
  • Wings: 1 box wing
  • Landing gear: Fix strut landing gear
  • Safety features: Distributed Electric Propulsion (DEP), provides safety through redundancy for its passengers and/or cargo. DEP means having multiple propellers (or ducted fans) and motors on the aircraft so if one or more propellers (ducted fans) or motors fail, the other working propellers (or ducted fans) and motors can safely land the aircraft. There are also redundancies of critical components in the sub-systems of the aircraft. The aircraft has a whole aircraft ballistic emergency parachute.

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