Kaman HOK-1
Technical Specifications

First Flight: N/A
Number Built: N/A
Length: 25 feet 
Rotor Diameter: 47 feet 
Height: 11 feet 10 inches
Max Take-Off Wt.: N/A
Empty Wt.: N/A
Max Cruising Speed: 109 mph   95 kts
Normal Cruising Speed:   75 mph   65 kts
Service Ceiling: 18,000 feet
Fuel Capacity: N/A
Range: 220 miles 
Fuel Type: N/A
Fuel Consumption: N/A
Engine: 1 Pratt & Whitney R-1340 rated @ 600 HP
Seating: N/A
Crew: 1 Pilot 

Engine Specifications

 Pratt & Whitney R-1340

Type: 8 Cylinder air cooled
Length: N/A
Diameter: N/A
Bore: 5.75 inches
Stroke: 5.75 inches
Displacement: 1344 cubic inches
Compression Ratio: 6 to 1
Dry Weight: 650 to 938 lbs.
Ignition: N/A
Fuel Grade: N/A
Carburation: N/A
Performance: 600 HP @ 2250 rpm for take-off