Vertipedia - Sikorsky S-92F

Fly-by-wire testbed. This was the 5th prototype S-92A modified to be fully fly-by-wire (FBW).

Source: “The S-92 Goes Fly By Wire... “, Lorren Stiles, Glen Knaust and Ken Wittmer, Paper presented at the American Helicopter Society 64th Annual Forum, Montréal, Canada, April 29 - May 1, 2008

Overview

Data on design, manufacture and status

Design authority: Sikorsky Aircraft Corp.

Primary manufacturer: Sikorsky Aircraft Corp.

Parent type: Sikorsky S-92/H-92

Aircraft status: Operational

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift devices: 1 Single main rotor

Dedicated control device: 1 Tail rotor

Crew required: 2 in Side-by-side arrangement

Landing gear: Wheels (all 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:	5.46 m	17.9 ft
Overall Length:	20.88 m	68.5 ft
Overall Width:	17.17 m	56.3 ft

Airframe Dimensions
Airframe Length:	17.12 m	56.2 ft
Airframe Width:
Airframe Height:

Landing Gear Dimensions
Landing Gear Base:
Landing Gear Track:

Cabin Dimensions
Cabin Internal Height:	1.83 m	6.0 ft
Cabin Internal Length:	6.10 m	20.0 ft
Cabin Internal Width:	2.00 m	6.6 ft

Weights
Max Gross Weight (ground):	12,020 kg	26,500 lb
Max Gross Weight (airborne):
Max Take-off Weight:	12,020 kg	26,500 lb
Empty Weight:	7,598 kg	16,751 lb
Useful Load:	4,422 kg	9,749 lb
Empty Weight Fraction:	0.632

Climb Performance
Max Rate of Climb:

Hover Performance
Hover Ceiling IGE:	2,743 m	8,999 ft
Hover Ceiling OGE:	1,981 m	6,499 ft

Limitations
Max Level Flight Speed:	280 km/h	151 kts
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 CT7-8A turbine
Manufacturer:	GE Aviation

Normal Ratings
Max continuous:
Take-off / rated:	1880 kW	2520 hp
Intermediate:
Maximum:

OEI Ratings
OEI contingency:
OEI continuous:
OEI 30-second:	2044 kW	2740 hp
OEI intermediate:

Main Rotor Characteristics
Diameter:	17.78 m	58.33 ft
RPM:
Direction of Rotation:	Counterclockwise
Hub Type:

Main Rotor Blade Characteristics
Blade Construction:
Blade Chord:
Blade Tip Geometry:	Swept outer tip with anhedral
Blade Twist:
Number of Blades:	4

Main Rotor Derived Characteristics
Disc Area:	248.29 m²	2672.6 ft²
Disc Loading:	48.41 kg/m²	9.916 lb/ft²
Solidity:

Main Rotor Blade Derived Characteristics
Blade area per blade:
Tip Speed:

Tail rotor is canted to provide lift component in normal flight

Tail Rotor Characteristics
Diameter:
Configuration:	Tractor
Direction of Rotation:	Top blade aft
RPM:

Tail Rotor Blade Characteristics
Number of Blades:	4
Blade Construction:
Blade Chord:
Blade Twist:

Tail Rotor Derived Characteristics
Disc Area:
Solidity:

Tail Rotor Blade Derived Characteristics
Tip Speed:
Blade Area (per blade):

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Number of engines:	2 Turbines
Max Level Flight Speed:	280 km/h	151 kts
Max Range:
Max Endurance:

Main Rotor Diameter:	17.78 m	58.33 ft
Max Gross Weight (ground):	12,020 kg	26,500 lb
Useful Load (calculated):	4,422 kg	9,749 lb