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Vertical Aerospace VX4 vs Joby Aviation S4
Overview Electric Flying Vehicle
|
Model
|
Vertical Aerospace VX4
Joby S4 |
|
Manufacturer
|
Vertical Aerospace
Joby Aviation |
|
Announced
|
2020
February 2018 |
|
launched
|
July 2024
2023 |
|
Base Price
|
4000000
2300000 |
Electric Flying Vehicle Dimensions & Build
|
Aircraft Type
|
Electric Vertical Take-Off and Landing (eVTOL)
Passenger eVTOL (tilt-prop, vectored thrust) |
|
Length
|
7.3 m (24 ft) |
|
Wingspan / Rotor Diameter
|
Rotor Diameter: Not published (features 8 propellers)
10.7 m (35 ft) |
|
Empty Weight
|
1,950 kg (4,300 lb) |
|
Maximum Takeoff Weight (MTOW)
|
2,404 kg (5,300 lb) |
|
Passenger Capacity
|
1 pilot + 4 passengers
4 passengers + 1 pilot |
|
Cargo Capacity
|
450 kg
453 kg (1,000 lb) payload |
|
Landing Gear Type
|
Retractable tricycle gear
Tricycle retractable gear |
Power & Propulsion
|
Battery Type
|
Lithium-ion cylindrical cells (aviation-grade)
High-energy lithium-ion (liquid-cooled) |
|
Battery Brand
|
Molicel (via Vertical Energy Centre)
Undisclosed (Joby-developed pack) |
|
Charging Power
|
Rapid charging
|
|
Solar / Hybrid Assist
|
None (fully electric) |
|
Motor
|
8 electric motors (distributed propulsion)
6 independent electric motors (dual-redundant windings) |
|
Total Power Output
|
1.4 MW (≈236 kW per motor) |
|
Propulsion System
|
Tilt-rotor / lift + cruise configuration
Tilt-prop / vectored thrust |
|
transmission
|
Direct-drive electric
Direct drive (no gearbox) |
Electric Flying Vehicle Performance
|
Cruising speed
|
150 mph (241 km/h)
200 mph (322 km/h) |
|
Top Speed
|
200 mph (≈ 322 km/h)
200 mph (174 knots) |
|
Maximum Range
|
100 miles (160 km)
150 miles (241 km) |
|
Endurance (Flight Time)
|
1 hour (est.) |
|
Service Ceiling (Max Altitude)
|
15,000 ft (4,570 m) |
|
Takeoff / Landing Type
|
Vertical take-off & landing (VTOL)
Vertical (VTOL) |
|
Noise Level (dB)
|
near silent (exact dB not published)
45 dB in cruise (very quiet) |
|
Flight Modes
|
Vertical hover → transition → cruise
Hover / Transition / Cruise |
Safety & Systems
|
Avionics
|
Honeywell integrated digital flight deck
Triple-redundant fly-by-wire system |
|
Flight Control
|
Full fly-by-wire system
Simplified Vehicle Operations (SVO) |
|
Safety Features
|
Redundant electric propulsion, composite airframe, intelligent battery monitoring
Redundant motors & inverters
Multi-battery redundancy
Fail-safe flight computers |
|
Emergency Landing System
|
Glide capability; no ballistic chute confirmed |
|
Certifications
|
UK CAA & EASA SC-VTOL
FAA Type Certification (in progress – Stage 3/5 as of 2024) |
Interior & Comfort
|
Seating Layout
|
1 pilot + 4 passengers
1 pilot + 4 passengers |
|
Cabin Type
|
Enclosed composite cabin with large panoramic windows
Enclosed, panoramic window design |
|
Infotainment & Displays
|
Advanced cockpit interface (details TBC)
Integrated digital cockpit display |
|
Storage Compartments
|
Dedicated baggage area behind seats
Small luggage area for passengers |
|
Other Features
|
Low cabin noise, sustainable design, modular build
Quiet cabin, smooth flight transitions, eco-friendly design |
Capacities
|
Passenger Capacity
|
5 (total including pilot)
4 + 1 pilot |
|
Payload Capacity
|
450 kg
453 kg (1,000 lb) |
Disclaimer Note
We can not guarantee that the information on this page is 100% correct
