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.

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

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 

• Fuel mass in internal tanks: 3030kg 

• Volume of fuel tanks: 1083l

• Powerplant: 2 × Turbo-shaft TurbomecaArriel 2S1 

• Engine power: 2 × 856l.s. (2 × 638kW (take-off)) 

• Cargo Cabin Length: 2,46 

• Cargo Cabin Width: 1,93 

• Cargo Cabin Height: 1,35 

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

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

• Speed ​​limit: 287km / h 

• The speed at FL: 259km / h 

• Practical range: 813km 

• Ceiling: 3871m 

• Static ceiling:

• using ground effect: 1722 

• no ground effect: 549 

• 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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