Technical data sheet for the Solar Impulse HB-SIA:
• Wingspan: 63.40 meters (208 feet)
• Length: 21.85 meters (81 feet)
• Height: 6.4 meters (20 feet)
• Weight: 1,600 kilograms (3,527 pounds, or 1.6 tons)
• Motor power: 4 x 10 HP electric engines
• Solar cells: 11,628 (10,748 on the wing, 880 on the horizontal stabilizer)
• Average flying speed: 70 kilometers per hour (43 miles per hour)
• Take-off speed: 35 kilometers per hour (21 miles per hour)
• Maximum altitude: 8,500 meters (27,900 feet)
Caption by Lance Whitney
Photo by Solar Impulse/Le Truc
