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| | Sikorsky |
 | | Today, Sikorsky helicopters occupy a prominent position in the intermediate to heavy range of 11,700 lb (5,300 kg) to 73,500 lb (33,000 kg) gross weight. |
 | | Igor Sikorsky build his first machine in Russia, but this first Sikorsky helicopter never left the ground, and a second which followed in 1910 fails too, so he stopped and turn to fixed wing aircraft until 1930. |
 | | Sikorsky, who fled from the Bolshevik Revolution in 1917, encouraged the United States Government to agree to a considerable budget of two million dollars for rotary-wing research in 1938. |
| www.helis.com /timeline/sikorsky.php (485 words) |
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