Developed in 1959, derived from the S-56.  As a flying crane, the supported payload is 12800 lb (5806 kg).

Overview

Data on design, manufacture and status

Design authority: Sikorsky Aircraft Corp.

Primary manufacturer: Sikorsky Aircraft Corp.

Parent type: Sikorsky S-60

Aircraft status: No longer flying

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Single main rotor

Dedicated control device: Tail rotor

Crew required: 2

Crew seating: Side-by-side

Landing gear: Wheels (non-retractable)

Layout and Dimensions

Data on aircraft size

Overall Dimensions
Overall Height: 6.60 m 21.7 ft
Overall Length: 26.80 m 87.9 ft
Overall Width: 21.95 m 72.0 ft
Airframe Dimensions
Airframe Length: 18.29 m 60.0 ft
Airframe Width:  
Airframe Height: 5.18 m 17.0 ft
Landing Gear Dimensions
Landing Gear Base:  
Landing Gear Track: 6.02 m 19.8 ft
Cabin Dimensions
Cabin Internal Height:  
Cabin Internal Length:  
Cabin Internal Width:  

Weights and Performance

Data on aircraft weight and flight characteristics

Cruise Speed: 104 mph (167.372 km/h)

Weights
Max Gross Weight (ground): 15,649 kg 34,500 lb
Max Gross Weight (airborne):  
Max Take-off Weight: 15,649 kg 34,500 lb
Empty Weight: 8,896 kg 19,613 lb
Useful Load: 6,753 kg 14,887 lb
Empty Weight Fraction: 0.568
Climb Performance
Max Rate of Climb: 5 m/s 910 fpm
Hover Performance
Hover Ceiling IGE: 2,073 m 6,801 ft
Hover Ceiling OGE:  
Limitations
Max Level Flight Speed: 209 km/h 113 kts
Never Exceed Speed:  
Service Ceiling: 3,292 m 10,800 ft
Range and Endurance
Max Range: 426 km 230 nm
Max Endurance:  

Engine Details

Aircraft powerplant (lift and/or propulsion)

Provided powerplant data is for uninstalled, sea level, static operations.

Powerplant
Number of engines: 2
Designation: P&W R-2800-54 reciprocating
Manufacturer: Pratt & Whitney
Normal Ratings
Max continuous:  
Take-off / rated:  
Intermediate:  
Maximum:  
OEI Ratings
OEI contingency:  
OEI continuous:  
OEI 30-second:  
OEI intermediate:  

Primary Lift Device

Data on primary lift devices such as main rotors

Main Rotor Characteristics
Diameter: 21.95 m 72.00 ft
RPM: 185.0 rpm 185.0 rpm
Direction of Rotation: Counterclockwise
Hub Type:
Main Rotor Blade Characteristics
Blade Construction:
Blade Chord: 0.600 m 1.97 ft
Blade Tip Geometry:
Blade Twist:  
Number of Blades: 5
Main Rotor Derived Characteristics
Disc Area: 378.27 m² 4071.8 ft²
Disc Loading: 41.37 kg/m² 8.473 lb/ft²
Solidity: 0.0870
Main Rotor Blade Derived Characteristics
Blade area per blade: 6.58 m² 70.8 ft²
Tip Speed: 212.58 m/s 697.4 fps

Primary Control Device

Data on primary control devices such as tail rotors

Tail Rotor Characteristics
Diameter: 4.57 m 15.00 ft
Configuration: Pusher
Direction of Rotation: Top blade fwd
RPM:  
Tail Rotor Blade Characteristics
Number of Blades: 4
Blade Construction:  
Blade Chord:  
Blade Twist:  
Tail Rotor Derived Characteristics
Disc Area: 16.42 m² 176.7 ft²
Solidity:  
Tail Rotor Blade Derived Characteristics
Tip Speed:  
Blade Area (per blade):  

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Related Public Resources

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