Experimental SH-2F, equipped with the Composite Main Rotor Blade (CMRB I); however, the helicopter never entered service.


Data on design, manufacture and status

Design authority: Kaman Aircraft Corporation

Primary manufacturer: Kaman Aircraft Corporation

Parent type: Kaman K-800/H-2 Seasprite

Aircraft status: No longer flying


Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Single main rotor

Dedicated control device: Tail rotor

Crew required: TBA

Crew seating: Side-by-side

Landing gear: Wheels (non-retractable)

Layout and Dimensions

Data on aircraft size

Overall Dimensions
Overall Height: 4.58 m 15.0 ft
Overall Length: 16.08 m 52.8 ft
Overall Width:  
Airframe Dimensions
Airframe Length: 12.19 m 40.0 ft
Airframe Width: 3.74 m 12.3 ft
Airframe Height: 4.14 m 13.6 ft
Landing Gear Dimensions
Landing Gear Base: 5.13 m 16.8 ft
Landing Gear Track: 3.30 m 10.8 ft
Cabin Dimensions
Cabin Internal Height:  
Cabin Internal Length:  
Cabin Internal Width:  

Weights and Performance

Data on aircraft weight and flight characteristics

Max Gross Weight (ground):  
Max Gross Weight (airborne):  
Max Take-off Weight:  
Empty Weight:  
Useful Load:  
Empty Weight Fraction:  
Climb Performance
Max Rate of Climb:  
Hover Performance
Hover Ceiling IGE:  
Hover Ceiling OGE:  
Max Level Flight Speed:  
Never Exceed Speed:  
Service Ceiling:  
Range and Endurance
Max Range:  
Max Endurance:  

Engine Details

Aircraft powerplant (lift and/or propulsion)

Provided powerplant data is for uninstalled, sea level, static operations.

Number of engines: 2
Designation: GE T58-GE-8F turbine
Manufacturer: GE Aviation
Normal Ratings
Max continuous:  
Take-off / rated: 1007 kW 1349 hp
OEI Ratings
OEI contingency:  
OEI continuous:  
OEI 30-second:  
OEI intermediate:  

Primary Lift Device

Data on primary lift devices such as main rotors

Main rotor KM230XX airfoil. Servo-flap length and chord 42in (1.1m) and 8.5in (22cm), respectively.

Main Rotor Characteristics
Diameter: 13.51 m 44.33 ft
RPM: 298.0 rpm 298.0 rpm
Direction of Rotation: Counterclockwise
Hub Type:
Main Rotor Blade Characteristics
Blade Construction: Composite
Blade Chord: 0.586 m 1.92 ft
Blade Tip Geometry: Flat
Blade Twist: -0.175 rad -10.000 deg
Number of Blades: 4
Main Rotor Derived Characteristics
Disc Area: 143.41 m² 1543.7 ft²
Disc Loading:  
Solidity: 0.1104
Main Rotor Blade Derived Characteristics
Blade area per blade: 3.96 m² 42.6 ft²
Tip Speed: 210.84 m/s 691.7 fps

Primary Control Device

Data on primary control devices such as tail rotors

Tail Rotor Characteristics
Diameter: 2.46 m 8.07 ft
Configuration: Pusher
Direction of Rotation: Top blade aft
Tail Rotor Blade Characteristics
Number of Blades: 4
Blade Construction:  
Blade Chord: 0.240 m 0.79 ft
Blade Twist:  
Tail Rotor Derived Characteristics
Disc Area: 4.75 m² 51.2 ft²
Solidity: 0.2484
Tail Rotor Blade Derived Characteristics
Tip Speed:  
Blade Area (per blade): 0.295 m² 3.18 ft²

Related VFS Resources

Resources related to the SH-2F (CMRB I) , provided by the Vertical Flight Society.
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Related Public Resources

Resources related to the SH-2F (CMRB I) , provided by public sources across the internet.