Sikorsky S-59 (XH-39)

 

Beginning development in 1945, known as the XH-39 by the U.S. Army.

 

 

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Overview
Parent type *No Type assigned
Variant *No Variant assigned
Design authority Sikorsky Aircraft Div., United Aircraft and Transport Corporation
Primary manufacturer Sikorsky Aircraft Div., United Aircraft and Transport Corporation
Key Characteristics
Operational status No longer flying
Max gross weight (ground)   316 1,633 kg 3,600 lb
Crew 2
Seating arrangement Side-by-side
Configuration
VTOL type Helicopter
Compound type None
Lift configuration Single main rotor
Control device type Tail rotor
Features
Number of engines 1
Number of propulsors 0
Number of lift devices 1
Number of control devices 1
Milestones associated with the Sikorsky S-59 (XH-39)
1954 First flight of Sikorsky S-59
1954 World's speed record by Sikorsky S-59 (1954)
1954 World's altitude record by Sikorsky S-59 (1954)

Sikorsky S-59 (XH-39)

 

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Sikorsky S-59 (XH-39)

 

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Sikorsky S-59 (XH-39)

 

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Sikorsky S-59 (XH-39)

 

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Sikorsky S-59 (XH-39)

 

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Sikorsky S-59 (XH-39)

 

Operated By
Private Operators No longer flying
United States Army No longer flying

Sikorsky S-59 (XH-39)

 

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Articles from the Journal of the American Helicopter Society related to the Sikorsky S-59

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Articles from NASA Technical Reports Server related to the Sikorsky S-59

 

Patent information from the US Patent and Trademark Office related to the Sikorsky S-59

 

Google Books related to the Sikorsky S-59

Sikorsky S-59 (XH-39)

 

Sikorsky S-59 (XH-39)

Aircraft Notes

Ref. Author(s) Title Source Date Type
316 Paul Lambermont, Anthony Pirie Helicopters & Autogyros of the World 1959 Book
319 Vinny Devine S-47 | S-47/R-4 Helicopter Sikorsky Archives | Product History Sep 19, 2017 Website
  Very thorugh description and details of the R-4 series helicopter
326 Sikorsky Archives, Vinny Devine Sikorsky Archives | S-59 SEPTEMBER 11, 2012 Website
319 Vinny Devine S-47 | S-47/R-4 Helicopter Sikorsky Archives | Product History Sep 19, 2017 Website
  Very thorugh description and details of the R-4 series helicopter
326 Sikorsky Archives, Vinny Devine Sikorsky Archives | S-59 SEPTEMBER 11, 2012 Website