Cayó helicóptero ruso del Ejército venezolano

Señores dejemen decirle, que la informacion que ustedes sumunistran es enteramente falsa, es cierto la caida de un helipcotero del ejercito modelo sirkosky, pero este es de fabricacion norteamerina, ..... señores usemos la verdad. pueden buscar la especificaciones de este helipcotero y de muchos otros fabricados por esta empresa norteamericana.

les invito a buscar en esta pagina http://www.sikorsky.com, el que se cayo en bolivar era un viejo sikorsky made in usa, y no corresponde con el publicado por ustedes.

Our History
The legacy of Igor Sikorsky still leads the helicopter industry, and the Winged-S emblem still signifies the world's most advanced rotorcraft. The Russian-born scientist, engineer, pilot and entrepreneur made fixed and rotary wing aviation history with a mix of genius and determination.

Igor Ivanovich Sikorsky was born in Kiev on May 25, 1889. His physician parents, Ivan and Zinaida Sikorsky, gave their son the scientific discipline to pursue his early dreams of flight. Captivated by the drawings of Leonardo da Vinci and the stories of Jules Verne, Igor Sikorsky built a rubber-band powered model helicopter when he was 12. A later, larger model with two propellers rose a few feet into the air. The young Mr. Sikorsky entered the Russian naval academy in Petrograd in 1903 but left in 1906 to study engineering in Paris. He returned to the Polytechnic Institute of Kiev in 1907.

When the dream of flight became real with the lighter-than-air creations of Count Von Zeppelin and the airplanes of the Wright brothers, Igor Sikorsky remained focused on a flying machine which could rise directly from the ground with a lifting propeller. In a German hotel room on a family trip, he took lift measurements on a four foot diameter helicopter rotor. With financial backing from his sister, Mr. Sikorsky returned to Paris to study aerodynamics and buy components for his helicopter.

In France, early aviation pioneers told the young engineer not to waste his time on the helicopter. Mr. Sikorsky returned to Kiev in 1909 with a three-cylinder 25 horsepower Anzani motorcycle engine and built a helicopter with coaxial twin-bladed rotors. The crude testbed had a seat for the "pilot" and wires to change the pitch of the blades. Mr. Sikorsky overcame initial vibration problems to demonstrate rotary-wing lift. The engineer's measurements showed the helicopter could generate some 357 pounds of lift, unfortunately about 100 pounds less than its empty weight. Mr. Sikorsky abandoned his first helicopter in October 1909 and returned to Paris to study the near-term promise of the airplane.


Fixed-Wing Foundation

On his return to Russia, the young inventor first built two propeller-driven sleighs. In February 1910, he used the motors on a second unsuccessful helicopter and the S-1, a small pusher biplane which never flew. The S-2 tractor biplane and bigger S-3 lifted off only briefly, but the S-5 with a 50 hp engine actually flew in May 1911. Igor Sikorsky was granted FAI pilot license No. 64 by the Imperial Aero Club in Russia. He took part in Russian Army maneuvers near Kiev September 1911 and proved his S-5 faster than foreign aircraft then in Russian service.


The S-6 with a 100 hp Argus engine flew in November 1911. In 1912, Igor Sikorsky became Chief Engineer for the aircraft factory of the Russian Baltic Railroad Car Factory in Petrograd. His S-6-B won a small order from the Russian Army, and the factory governing society approved construction of a large, four-engined airplane. With a wingspan of 89 ft. and a gross weight around 9,000 lb., Mr. Sikorsky's S-21 was simply The Grand. When it first flew on May 13, 1913, Igor Sikorsky became the world's first four-engine pilot. The bigger S-22 was dubbed the II'ya Muromets and in December 1913 began flying passengers. A bomber version flew in 1914 and went to war with the Imperial Russian Air Force in 1915.

The Bolshevik Revolution drove Igor Sikorsky from his position and his homeland in 1918. A brief wartime engineering effort for the French ended with the Armistice. Mr. Sikorsky booked passage to America and arrived in New York on March 30, 1919. After a temporary engineering job ended with the U.S. Army Air Service in Dayton, Ohio, the Russian aviation giant taught mathematics to fellow emigres on New York's Lower East Side.

The slump in aviation development immediately after World War I kept Igor Sikorsky from his true passion until March 1923 when he raised backing for an all-metal, twin-engined passenger plane. The Sikorsky Aero Engineering Corporation started work on a farm near Roosevelt Field, Long Island and collected Army surplus materials and parts from junkyards. It produced the S-29A (for America) first flown in September 1924. In 1925, the company became The Sikorsky Manufacturing Corporation and flew several new designs, including the S-34 which provided experience for later amphibians and flying boats.

The three-engined S-35 completed in August 1926 crashed before a trans-Atlantic crossing attempt by WWI ace Rene Fonck. When Fonck's next attempt at a trans-Atlantic record was preempted by Charles Lindbergh, Sikorsky's twin-engined S-37 was sold into long-range passenger service. The eight-seat S-36 was Sikorsky's first practical amphibian and entered service with Pan [MENSAJE TRUNCADO]