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Sikorsky S-76 Spirit.
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Sikorsky S-76 Spirit. A photo. Characteristics.

Sikorsky S-76 Spirit

 

Sikorsky S-76 Spirit - a commercial helicopter. Built by «Sikorsky Aero Engineering Corporation». When designing S76 helicopter was used the experience of building a helicopter S70 «Black Hawk». Construction of four copies of experienced helicopter launched in May 1976. It rose for the first time in the air 13.03.1977.

 

Sikorsky S-76 Spirit photo.

Sikorsky S-76 Spirit photo.

 

By the early 1994 built more than 400 S76 helicopters. Electronic equipment is placed in the nose of the fuselage. The passenger cabin has a heating and ventilation system. Fuel is placed in two tanks. The stock of the default fuel - 1064l. Resource motor before overhaul - 3000ch.

 

Sikorsky S-76 Spirit photo salon

Sikorsky S-76 Spirit photo salon

 

Source main gearbox - 1500ch. manual blade life - 4900ch. The blades need to be a one-time replacement for the entire service life of the helicopter.

 

Features Sikorsky helicopter Sikorsky S-76 Spirit:

 

 

  • Crew: 1-2

  • The greatest number of passengers: 13

  • Length: 16,0m

  • Fuselage length: 13,21m

  • The diameter of the rotor: 13,41m

  • The diameter of the tail rotor: 2,44m

  • Maximum width of the fuselage: 2,13m

  • Height with the tail rotor: 4,42m

  • The area swept rotor: 141,26kv.m

  • The base chassis 5,0m

  • Track chassis 2,44m

  • Empty weight: 2545kg

  • The highest take-off weight: 5307kg

  • Payload weight: 1616kg

  • Mass fuel in internal tanks: 3030kg

  • Volume of fuel tanks: 1083l

  • Powerplant: 2 × turboshaft TurbomecaArriel 2S1

  • Engine power: 2 × 856l.s. (2 × 638kVt (takeoff))

  • the cargo compartment length: 2,46m

  • Width of cargo cabin: 1,93m

  • The height of the cargo compartment: 1,35m

  • The area of ​​the floor of the cargo compartment: 4,18kv.m

  • A useful amount of cargo cabin: 5,8kub.m

  • The maximum permissible speed 287km / h

  • The speed at FL: 259km / h

  • Practical range: 813km

  • Ceiling: 3871m

  • Static ceiling:

  • using ground effect: 1722m

  • without the use of ground effect: 549m

  • Rate of climb: 8,25m / s

  • The load on the drive: 37,6kg / sq.m

  • Thrust-to-weight ratio: 224,7Vt / kg

 

 

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