Solar Impulse - Specifications (HB-SIA)

Specifications (HB-SIA)

Data from Solar Impulse Project and Diaz

General characteristics

• Crew: 1
• Length: 21.85 m (71.7 ft)
• Wingspan: 63.4 m (208 ft)
• Height: 6.40 m (21.0 ft)
• Wing area: 11,628 photovoltaic cells rated at 45 kW peak: 200 m2 (2,200 sq ft)
• Loaded weight: 1,600 kg (3,500 lb)
• Max. takeoff weight: 2,000 kg (4,400 lb)
• Powerplant: 4 × electric motors, powered by 4 x 21 kWh lithium-ion batteries (450 kg), providing 7.5 kW (10 HP) each
• Take-off speed: 35 kilometres per hour (22 mph)

Performance

• Cruise speed: 70 kilometres per hour (43 mph)
• Endurance: 36 hours (projected)
• Service ceiling: 8,500 m (27,900 ft) with a maximum altitude of 12,000 metres (39,000 ft)