Sikorsky XH-39

The Sikorsky XH-39 (manufacturer designation S-59) developed by Sikorsky Aircraft in 1954 was the U.S. Army’s first turbine-powered helicopter. It was fast and innovative but ultimately rejected by the United States Army in favor of the Bell UH-1 Iroquois.

Sikorsky XH-39 den Geschwindigkeitsweltrekord von 251,7 km/h * 7. August: Die Universidad Austral de Chile wird gegründet.1
Il Sikorsky S-59, noto anche con la sua designazione militare Sikorsky XH-39, fu un elicottero utility monoturbina con rotore a quattro pale realizzato dall'azienda statunitense Sikorsky Aircraft Corporation nei primi anni cinquanta e rimasto alla stadio di prototipo.2

Made by Sikorsky Aircraft.

It is the successor of the Sikorsky S-52 .

Sikorsky XH-39 to an altitude of 24,500 feet at Bridgeport, Connecticut.3
The Sikorsky XH-39 (manufacturer designation S-59), developed by Sikorsky Aircraft in 1954, was the U.S. Army’s first turbine-powered helicopter.4
Jet Or Prop
prop
Height Alt
2.92 m
Predecessor
Sikorsky S-52
Length Alt
12.50 m
Power Alt
298.0
Lists
* List of active United States military aircraft
Range Main
243
Loaded Weight Main
3361.0
Max Speed Alt
9360.0
Type Of Prop
Turboshaft
Introduced
not produced
Loading Main
3
Power/mass Main
431.99999999999994
Developed From
Sikorsky S-52
Power/mass Alt
Height Main
292.1
Max Speed Main
136
Cruise Speed Main
120
Ceiling Main
17900.0
Number Built
1
Crew
Four
See Also
* UH-1 Iroquois variants* Bell Huey - overview of all models* US Helicopter Armament Subsystems
Cruise Speed Alt
8280.0
Area Main
962.0
Primary user
United States Army
Span Alt
10.67 m
Plane Or Copter?
copter
Engine(prop)
Continental T51
Manufacturer
Sikorsky Aircraft
Loaded Weight Alt
1528.0
Power Main
400.0
Number Of Props
1
Empty Weight Alt
957.0
Length Main
1249.68
Span Main
1066.8
Area Alt
89.4 m²
Range Alt
16800.0
Similar Aircraft
* Bell XH-40
Related
* Sikorsky S-52
Empty Weight Main
2105.0
Ceiling Alt
5
460 m
Category
Abandoned military aircraft projects of the United States
Military helicopters
Sikorsky aircraft
United States military utility aircraft 1950-1959
Loading Alt
17

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