Vertipedia - Kaman SH-2F (CMRB I)

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

Overview

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

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift devices: 1 Single main rotor

Dedicated control device: 1 Tail rotor

Crew required: TBA in Side-by-side arrangement

Landing gear: Wheels (non-retractable)

Key Characteristics

Data on key physical features

Aircraft Details

Data on aircraft configuration, weights, flight performance and equipment

Layout and Dimensions

Weights and Performance

Engine Details

Primary Lift Device

Primary Control Device

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
Max Gross Weight (ground):
Max Gross Weight (airborne):
Max Take-off Weight:
Empty Weight:

Climb Performance
Max Rate of Climb:

Hover Performance
Hover Ceiling IGE:
Hover Ceiling OGE:

Limitations
Max Level Flight Speed:
Never Exceed Speed:
Service Ceiling:

Range and Endurance
Max Range:
Max Endurance:

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

Powerplant
Number of engines:	2
Designation:	GE T58-GE-8F turbine
Manufacturer:	GE Aviation

Normal Ratings
Max continuous:
Take-off / rated:	1007 kW	1349 hp
Intermediate:
Maximum:

OEI Ratings
OEI contingency:
OEI continuous:
OEI 30-second:
OEI intermediate:

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

Tail Rotor Characteristics
Diameter:	2.46 m	8.07 ft
Configuration:	Pusher
Direction of Rotation:	Top blade aft
RPM:

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

References

References and sources used

Flight Testing Kaman Aerospace Corporation's Composite Main Rotor Blade

Gallagher, Frank
2000 (page 2)
Meeting paper or Presentation

Jane's Helicopter Markets and Systems, Iss. 20

Jane's Information Group Limited
Feb 2005 (page 216)
Book

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Related Public Resources

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

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Number of engines:	2 Turbines
Max Level Flight Speed:
Max Range:
Max Endurance:

Main Rotor Diameter:	13.51 m	44.33 ft
Max Gross Weight (ground):