Mark IV

Specifications:

Aircraft type

eVTOL defunct prototype multicopter drone

Piloting

Remote control piloting only, no pilot on board, no pilot seat

Cruise speed

There is a hypothetical cruise speed for the multicopter but because this is a prototype and is only flown close to the ground for testing purposes, the aircraft was never intended to be flown at what would be considered its cruise speed

Flight time

8 minutes

Empty weight (estimated)

70 lb (32 kg)

Empty weight with batteries

130 lb (59 kg)

Maximum payload weight

200 lb (91 kg)

Maximum takeoff weight

330 lb (150 kg)

Propellers

8 propellers

Electric motors

8 electric motors

Power source

32 batteries (60 lb/27 kg)

Fuselage

Octagon open-framed fuselage made from 4130 chrome steel

Cockpit

There is no cockpit, remote controlled

Landing gear

Lands on the bottom of the fuselage structure

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.