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Jetoptera J-4000 (concept design)

J-4000 hybrid-electric VTOL passenger concept design aircraft

 

J-4000 (concept design)
Jetoptera Inc.
Edmonds, Washington, USA
www.jetoptera.com

Founded in 2015, in Edmonds, Washington, USA, Jetoptera is an aviation start-up company that is developing unmanned aerial vehicles (UAVs) and hybrid-electric vertical takeoff and landing (VTOL) and electric VTOL (eVTOL) aircraft for passenger and air cargo use for the advanced aviation mobility (AAM) industry to revolutionize how societies transport people by air. In Latin, optera refers loosely to wing or wings. The company is seeking investors, please see their website on how to invest. (Images: Jetoptera)

The company has developed a novel airframe, a proprietary Fluidic Propulsive System (FPS) propulsion system and has a distributed propulsion system. The propulsion system uses oval tilting thrusters expelling compressed air for all phases of flight. These features allows the aircraft to have excellent maneuverability, a long range, to carry heavy payloads and travel at high speeds. As there are no propellers or rotors this exponentially increases the safety of anyone on or around the aircraft.

The power train consists of an engine currently (in the future, any power source can be used such as a hydrogen-fuel cell or batteries) that compresses air forced through an oval thruster that has directional slits all around its inner surface. The inner surface of the thruster is shaped like wings creating a low-pressure vortex in the middle of the thruster which creates propulsion. The propulsion system is more efficient, lighter and less complex than previous conventional aircraft. The propulsion system is patented.

J-4000 hybrid-electric VTOL passenger concept design aircraft
The Jetoptera J-4000 is a hybrid-electric VTOL four passenger concept design aircraft (one pilot, three passengers) that has been designed with a novel wing configuration and a proprietary novel Fluidic Propulsive System (FPS). The power train can also be called a fluidic thrust augmentation system. The aircraft can accept almost any type of power source such as a turbine engine, hydrogen fuel cells or batteries. In the future, the company expects the power source for all their aircraft will be batteries.

The cruise speed is estimated at 200 mph (322 km/h), a predicted maximum range of 350 m (563 km) and has a calculated maximum altitude of 15,000 ft (4,572 m). The projected empty weight of the aircraft is 3,200 lb (1,450 kg), with a maximum payload of 800 lb (363 kg) and has a maximum takeoff weight 4,000 lb (1,813 kg).

The power train, the Jetoptera novel Fluidic Propulsive System, has four of these units on the aircraft. Two in the front of the aircraft and two in the rear of the aircraft. One item to notice about the top picture. The front two Fluidic Propulsive System units extend from inside the fuselage to outside the fuselage during flight. When the aircraft is not in flight (or sometimes during full forward flight) the two forward Fluidic Propulsive System units are retracted to inside the fuselage.

The cockpit has a canopy over the cockpit for excellent views for the pilot and passengers. The cockpit has gull-wing doors and will stay in the open position using several hydraulic shock support gas struts. The fuselage is made from carbon fiber composite so the aircraft has a high strength to low weight ratio. The aircraft has two forward fuselage mounted tilting canard wings with the primary load-carrying structure, a box wing, located at the rear of the fuselage. The aircraft has retractable wheeled landing gear.

Aircraft applications
The company foresees their aircraft used for personal use, air taxi service, VIP air service, air cargo service, military use and more.

J-4000 three views

J-4000 three views

Jetoptera's novel Fluidic Propulsive System (FPS)

Jetoptera's novel Fluidic Propulsive System (FPS)

Specifications:

  • Aircraft type: Hybrid-electric VTOL passenger concept design aircraft (future, all electric)
  • Piloting: 1 pilot
  • Capacity: 3 passengers
  • Cruise speed: 200 mph (322 km/h)
  • Maximum Range: 350 m (563 km)
  • Maximum cruise altitude: 15,000 ft (4,572 m)
  • Empty weight: 3,200 lb (1,450 kg)
  • Maximum payload: 800 lb (363 kg)
  • Maximum takeoff weight: 4,000 lb (1,813 kg)
  • Propulsion: 4 Fluidic Propulsion System (FPS) units (a proprietary and novel Jetoptera propulsion system)
  • Power source: Gas turbine engine (in the future can accept batteries when battery destiny improves)
  • Fuselage: Carbon fiber composite
  • Window: Canopy over cockpit with gull-wing doors
  • Wings: 1 Front tilt-canard and 1 rear box wing (the box wing is the primary load-carrying structure)
  • Landing gear: Retractable tricycle wheeled landing gear
  • Safety features: If one or more thrusters fail or get clogged, the aircraft can glide to a landing on a runway, road or field. The aircraft has redundant electronics and avionics on board. There are no propellers or rotors on the aircraft (the propulsion system uses oval thrusters expelling compressed air) making the aircraft safe for all people on the ground whether the aircraft parked with its engines on or off.

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