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UNITED
TECHNOLOGIES SIKORSKY AIRCRAFT
SIKORSKY S-60 |
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El primer helicóptero grúa de Sikorsky desarrollado a partir del S-56 fue el S-60, conservaba el mismo motor, la transmisión y el sistema del rotor. El primer vuelo del prototipo fue el 25 de marzo de 1959 siendo capaz de elevar una carga útil de 5440 Kg.. En 1960 Sikorsky había iniciado la construcción de una versión superior designada S-64 dotada de un rotor de 6 palas, con dos motores Turboejes JFTD-12A de 4050 unitarios, volando por primera vez el 9 de marzo de 1962, realizando la US Navy un pedido de 6 aparatos a los que designo CH-54A TARHE, esta versión estaba propulsada por dos P&W T73-P-1 de 4500 hp. Se construyo también otra versión con motores T73-P-700 de 4800 hp designándola como CH-54B. |
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In 1958 Sikorsky began design work on the Model S-60 twin-engined heavy-lift helicopter, a machine that incorporated the pod-mounted piston engines and dynamic components of the earlier Model S-56/CH-37. The S-60's fuselage was extremely simple, consisting of a central 'backbone' which supported the podded engines, main and tail rotor systems, and a nose-mounted crew cabin. Bulk cargo and passengers were intended to be carried in large rectangular pods that could be attached to the underside of the aircraft's central spine, whereas vehicles and other out-sized loads were to be sling-hoisted. One S-60 was built for Navy evaluation, but the craft was found to be underpowered for its intended roles and Sikorsky took the design back to the drawing boards for extensive reworking. The reconfigured machine, which was allotted the company designation S-64A, made its first flight in May 1962 under the watchful eyes of Army observers. |
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Characteristics |
Information |
Characteristics |
Information |
First
Flight Primer Vuelo |
1959 |
Engine Motor |
2
P&W |
Seating
Capacity Plazas |
2 / ? |
Power Potencia |
4800 SHP each |
Empty
Weight Peso Vacío |
8980 Kgs |
Hover
Ceiling O.G.E. Estacionario O.G.E |
Fts |
Maximum
Weight Peso Máximo |
Lbs |
Hover
Ceiling I.G.E. Estacionario I.G.E |
Fts |
Vel.
Cruise Vel. crucero |
90 Kts |
Service
Ceiling Techo de Servicio |
Fts |
V.N.E. V.N.E |
Kts |
Maximum
Range (Std) Alcance (Std) |
200 NM |
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