01 Sikorsky S-51 Dragonfly Helicopter	02 Sikorsky S-51 Dragonfly Helicopter	03 Sikorsky S-51 Dragonfly Helicopter	04 Sikorsky S-51 Main Rotor Hub
05 Sikorsky S-51 Main Rotor Hub	05 Sikorsky S-51 Tail Rotor	06 Sikorsky S-51 Tail Rotor Hub	07 Sikorsky S-51 Dragonfly Helicopter
08 Sikorsky S-51 Insignia	09 Sikorsky S-51 Litter Pod	10 Sikorsky S-51 Insignia	11 Pratt & Whitney R-985 Wasp Jr Radial Engine
12 Sikorsky S-51 Main Gear	13 Sikorsky S-51 Nose Wheel	14 Sikorsky S-51 Rescue Hoist

Sikorsky S-51 Helicopter Specifications:

More Sikorsky S-51 Dragonfly Helicopters at other Aviation Museums in the northeast
Sikorsky S-51 Helicopter at the American Helicopter Museum in West Chester, PA	Another Sikorsky S-51 Dragonfly Helicopter at the New England Air Museum in Windsor Locks, CT

Fuselage Length: 41 feet 2 inches
Rotor Diameter: 49 feet
Width: feet inches
Height: 12 feet, 0 inches
Crew: 1+3
Weight: Empty 4,000 lbs Loaded - 5,500 lbs
Max Speed: 103 mph
Cruise Speed: 85 mph
Range: 290 miles
Service Ceiling: 10,000 feet
Fuel Capacity: 100 gallons
Powerplant: Pratt & Whitney R-985 Air cooled radial engine 450hp
First Flight : 1944
Cost: $92,000

Here is some vintage Youtube Sikorsky Dragonfly Helicopter footage.

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