Vertipedia - Changhe Z-11MB1

A renewed utility version of the Changhe Z-11 with a more powerful engine, the Turboméca Arriel 2B1A (rated at 632 kW/848-shp for take-off). The avionics were updated and the aircraft can be fitted with GPS navigation equipment.

Overview

Data on design, manufacture and status

Design authority: Changhe Aircraft Industries Corporation

Primary manufacturer: Changhe Aircraft Industries Corporation

Parent type: No type defined

Aircraft status: Status unknown

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift devices: 1 Single main rotor

Dedicated control device: 1 Tail rotor

Crew required: 1-2 in Side-by-side arrangement

Landing gear: Skids

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:	3.14 m	10.3 ft
Overall Length:	13.01 m	42.7 ft
Overall Width:	10.69 m	35.1 ft

Airframe Dimensions
Airframe Length:	11.24 m	36.9 ft
Airframe Width:
Airframe Height:

Landing Gear Dimensions
Landing Gear Base:
Landing Gear Track:

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:
Useful Load:
Empty Weight Fraction:

Climb Performance
Max Rate of Climb:

Hover Performance
Hover Ceiling IGE:
Hover Ceiling OGE:

Limitations
Max Level Flight Speed:
Never Exceed Speed:
Service Ceiling:	6,000 m	19,685 ft

Range and Endurance
Max Range:
Max Endurance:

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

Powerplant
Number of engines:	1
Designation:	Turbomeca Arriel 2B1A turbine
Manufacturer:	Turbomeca

Normal Ratings
Max continuous:	501 kW	672 hp
Take-off / rated:	501 kW	672 hp
Intermediate:
Maximum:

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

Main Rotor Characteristics
Diameter:	10.69 m	35.07 ft
RPM:
Direction of Rotation:	Unknown
Hub Type:

Main Rotor Blade Characteristics
Blade Construction:
Blade Chord:
Blade Tip Geometry:
Blade Twist:
Number of Blades:	3

Main Rotor Derived Characteristics
Disc Area:	89.75 m²	966.1 ft²
Disc Loading:
Solidity:

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

Tail Rotor Characteristics
Diameter:	1.86 m	6.10 ft
Configuration:	Unknown
Direction of Rotation:	Unknown
RPM:

Tail Rotor Blade Characteristics
Number of Blades:	2
Blade Construction:
Blade Chord:
Blade Twist:

Tail Rotor Derived Characteristics
Disc Area:	2.72 m²	29.2 ft²
Solidity:

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

References

References and sources used

Chinese Aircraft: China's Aviation Industry since 1951

Yefim Gordon, Dmitriy Kommissarov
2008 (page 284)
Book

Rotorcraft Forecast 2013

Forecast International
May 2013
Report or Technical Manual

Russian Helicopters, Ka-27

Russian Нelicopters, JSC
5 July 2017 (page 286)
Website

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Main Rotor Diameter:	10.69 m	35.07 ft
Max Gross Weight (ground):
Useful Load (calculated):

Number of engines:	1 Turbine
Max Level Flight Speed:
Max Range:
Max Endurance: