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Sikorsky S-61R helicopter

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Specifications Comment this helicopter
Picture S-61R
General
Manufacturer Sikorsky
Type S-61R
Introduced 1/1/1963
In production? No
Units produced 0
Price US $ 5,400,000.00
Dimensions
Overall Length 73 ft
Length 57.3 ft
Height 18.1 ft
Width 0 ft
   
   
Description

The S-61R is a medium transport and search and rescue helicopter manufactured by the Sikorsky company as well as under license by Agusta.

The first flight of the S-61R occurred in 1959 and it was introduced in 1961.

The S-61R is derived from the S-61 Sea King and was built as a prototype for a private venture. The S-61R of course shares much of its base technology with the Sea King, but there are significant changes between the models.

The S-61R has a hydraulic rear ramp which allowed for wheeled vehicles to be loaded straight into the helicopter. A 2000-pound winch for internal cargo handling was added as well as retractable tricycle-type landing gear and a gas-turbine auxiliary power plant.

This power plant allowed for independent field operations, a design concession that is carried over into other areas of the S-61R. For example, the pressurized rotor blades allow for easy inspection and the helicopter is equipped with facilities to remove and replace almost all major components in remote place, making the S-61R practical for deployment as a single unit.

Sikorsky no longer manufactures the S-61R, but variants of it are still made under license by Agusta. The S-61R served in the United States Air Force as the CH-3C/E Sea King and the HH-3E Jolly Green Giant. The Coast Guard used it under the name HH-3F "Pelican".

Poduction ran from 1959 into the 1970s and despite decades having passed since new models were made, the S-61R remains in service today.

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Design features
  • Rear loading ramp
  • Boat- type hull
  • Stub wings with retractable landing gear
  • Tricyle landing gear
Description

The S-61R is a medium transport and search and rescue helicopter manufactured by the Sikorsky company as well as under license by Agusta.

The first flight of the S-61R occurred in 1959 and it was introduced in 1961.

The S-61R is derived from the S-61 Sea King and was built as a prototype for a private venture. The S-61R of course shares much of its base technology with the Sea King, but there are significant changes between the models.

The S-61R has a hydraulic rear ramp which allowed for wheeled vehicles to be loaded straight into the helicopter. A 2000-pound winch for internal cargo handling was added as well as retractable tricycle-type landing gear and a gas-turbine auxiliary power plant.

This power plant allowed for independent field operations, a design concession that is carried over into other areas of the S-61R. For example, the pressurized rotor blades allow for easy inspection and the helicopter is equipped with facilities to remove and replace almost all major components in remote place, making the S-61R practical for deployment as a single unit.

Sikorsky no longer manufactures the S-61R, but variants of it are still made under license by Agusta. The S-61R served in the United States Air Force as the CH-3C/E Sea King and the HH-3E Jolly Green Giant. The Coast Guard used it under the name HH-3F "Pelican".

Poduction ran from 1959 into the 1970s and despite decades having passed since new models were made, the S-61R remains in service today.

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Design features:
  • Rear loading ramp
  • Boat- type hull
  • Stub wings with retractable landing gear
  • Tricyle landing gear
Performance
Persons 31
Max. Range 779 mi
Cruise Speed 144 mph
Max. Speed 165 mph
Max. rate of Climb 1500 ft/min
HOGE ceiling 8530 ft
Service Ceiling 17500 ft
Gross Weight 22050 lb
Empty Weigt 13341 lb
Useful Load 8709 lb
Dynamic system
Fuel Capacity 683 gallons
Number of Engines 2
Engine Type Turbine
Engine Code General Electric T58-10
Horse Power 1500
Rotorhead Fully articulated
Number of rotorblades 5
Rotor Diameter 62 ft
Number of tail rotorblades 5
Tailrotor Diameter 10.3 ft
Blueprints & model
Manufacturer Website manufacturer..
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