Piasecki H-25
Technical Specifications

First Flight: March 1948
Number Built: 339
Length: 56 feet  11 inches
Rotor Diameter: 2 @ 35 feet each 
Height: 12 feet 6 inches
Max Take-Off Wt.: 6,100 lbs.
Empty Wt.: 3,928 lbs.
Max Cruising Speed: 105 mph  91 kts
Normal Cruising Speed:  
Service Ceiling: 10,000 feet
Fuel Capacity:
Range: 300 miles 
Fuel Type: 100/130 octane
Fuel Consumption: N/A
Engine: 1 Continental R-975-46A rated @ 550 HP 
Seating: 4 Passengers 
Crew: 2 Pilots 

Engine Specifications

 Wright R-975-46A

Type: 9 cylinder air cooled radial
Length:
Diameter:
Bore:
Stroke:
Displacement:
Compression Ratio:
Dry Weight:
Ignition:
Fuel Grade: 100/130 octane
Carburation:
Performance: Take-Off: 550 HP @ RPM
Normal: HP @ RPM