1940 ? 2010: Brief history of hybrid helicopters around ... - Eurocopter
1940 ? 2010: Brief history of hybrid helicopters around ... - Eurocopter
1940 ? 2010: Brief history of hybrid helicopters around ... - Eurocopter
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All Rights Reserved American Helicopter Society Summer 2006 vertiflite<br />
1961 KA-22 Vintokryl: Kamov, USSR<br />
• Two 22.5-meter-diameter four-bladed wing tip rotors<br />
• Two four-bladed pusher propellers mounted on the wing tips<br />
• Two 6,500 hp (4,800 kW) Soloviev D-25VK turbo-shaft engines, pod mounted on the<br />
wing tips, driving the rotors and the pusher propellers<br />
• 25-meter-span wing<br />
• Maximum weight: unknown, aircraft capable <strong>of</strong> carrying 80 passengers or a 16,500 kg<br />
payload<br />
• Maiden flight: April 1960<br />
• World speed record over a 15 - 25 km circuit on October 7, 1961: 192 kt
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