The HOK-1 was the USMC version of the Kaman K-600. Developed in 1952. The cabin has a capacity of 5 passengers, including the crew. The designation to OH-43D was made as part of the 1962 change in designations for US military aircraft.
Source 1: Alex, Ralph P. "Helicopters from 'A to Z', Part III". American Helicopter Society Newsletter, Vol. 7, 1961. Page 4-5.
Source 2: Moorman, Robert W. "Coming Full Circle". Vertiflite July/August 2015. Published by AHS International. Page 19.
Source 3: Hirschberg, Michael. "The American Helicopter" (2000). Page 58.
Design authority: Kaman Aircraft Corporation
Primary manufacturer: Kaman Aircraft Corporation
Parent type: No type defined
Aircraft status: No longer flying
VTOL type: Helicopter
Lift configuration: Synchropter (x2)
Crew required: 1
Crew seating: Side-by-side
Landing gear: Wheels (non-retractable)
Overall Dimensions | ||
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Overall Height: | 4.74 m | 15.5 ft |
Overall Length: | 14.33 m | 47.0 ft |
Overall Width: |
Airframe Dimensions | ||
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Airframe Length: | 7.62 m | 25.0 ft |
Airframe Width: | 2.77 m | 9.1 ft |
Airframe Height: | 3.81 m | 12.5 ft |
Landing Gear Dimensions | ||
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Landing Gear Base: | ||
Landing Gear Track: |
Cabin Dimensions | ||
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Cabin Internal Height: | ||
Cabin Internal Length: | ||
Cabin Internal Width: |
Cruise Speed: 75 mph (121 km/h)
Weights | ||
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Max Gross Weight (ground): | 3,084 kg | 6,800 lb |
Max Gross Weight (airborne): | ||
Max Take-off Weight: | 3,084 kg | 6,800 lb |
Empty Weight: | 1,833 kg | 4,040 lb |
Useful Load: | 1,252 kg | 2,760 lb |
Empty Weight Fraction: | 0.594 |
Climb Performance | ||
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Max Rate of Climb: | 7 m/s | 1,300 fpm |
Hover Performance | ||
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Hover Ceiling IGE: | 3,658 m | 12,000 ft |
Hover Ceiling OGE: |
Limitations | ||
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Max Level Flight Speed: | 167 km/h | 90 kts |
Never Exceed Speed: | ||
Service Ceiling: | 5,486 m | 18,000 ft |
Range and Endurance | ||
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Max Range: | 354 km | 191 nm |
Max Endurance: |
Provided powerplant data is for uninstalled, sea level, static operations.
Powerplant | ||
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Number of engines: | 1 | |
Designation: | P&W R-1340-48 Wasp reciprocating | |
Manufacturer: | Pratt & Whitney |
Normal Ratings | ||
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Max continuous: | ||
Take-off / rated: | 448 kW | 600 hp |
Intermediate: | ||
Maximum: |
OEI Ratings | ||
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OEI contingency: | ||
OEI continuous: | ||
OEI 30-second: | ||
OEI intermediate: |
Main Rotor Characteristics | ||
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Diameter: | 14.33 m | 47.00 ft |
RPM: | ||
Direction of Rotation: | Counter-rotating | |
Hub Type: |
Main Rotor Blade Characteristics | ||
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Blade Construction: | Solid Wood | |
Blade Chord: | ||
Blade Tip Geometry: | ||
Blade Twist: | ||
Number of Blades: | 2 |
Main Rotor Derived Characteristics | ||
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Disc Area: | 161.18 m² | 1735.0 ft² |
Disc Loading: | 9.57 kg/m² | 1.960 lb/ft² |
Solidity: |
Main Rotor Blade Derived Characteristics | ||
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Blade area per blade: | ||
Tip Speed: |
Tail Rotor Characteristics | ||
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Diameter: | ||
Configuration: | Unknown | |
Direction of Rotation: | Unknown | |
RPM: |
Tail Rotor Blade Characteristics | ||
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Number of Blades: | ||
Blade Construction: | N/A | |
Blade Chord: | ||
Blade Twist: |
Tail Rotor Derived Characteristics | ||
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Disc Area: | ||
Solidity: |
Tail Rotor Blade Derived Characteristics | ||
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Tip Speed: | ||
Blade Area (per blade): |