Developed in 1938, the aircraft accomodates two passengers (pilot, observer) in tandem seating.  Another version is equipped with an uprated engine (Salmson 9Nd, 203 hp).

Overview

Data on design, manufacture and status

Design authority: Cierva Autogiro Company Ltd.

Primary manufacturer: Cierva Autogiro Company Ltd.

Parent type: No type defined

Aircraft status: No longer flying

Configuration

Primary flight and mechanical characteristics

VTOL type: Gyroplane

Compound type: Lift

Lift configuration: Single main rotor

Dedicated control device: Rudder

Dedicated propulsion devices: 1

Crew required: 1

Crew seating: Single seater

Landing gear: Wheels (non-retractable)

Layout and Dimensions

Data on aircraft size

Overall Dimensions
Overall Height:  
Overall Length:  
Overall Width: 12.19 m 40.0 ft
Airframe Dimensions
Airframe Length:  
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 and Performance

Data on aircraft weight and flight characteristics

Cruise Speed: 100 mph (160.934 km/h)

Weights
Max Gross Weight (ground): 885 kg 1,950 lb
Max Gross Weight (airborne):  
Max Take-off Weight: 885 kg 1,950 lb
Empty Weight: 612 kg 1,350 lb
Useful Load: 272 kg 600 lb
Empty Weight Fraction: 0.692
Climb Performance
Max Rate of Climb: 5 m/s 1,000 fpm
Hover Performance
Hover Ceiling IGE:  
Hover Ceiling OGE:  
Limitations
Max Level Flight Speed: 193 km/h 104 kts
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.

Powerplant
Number of engines: 1
Designation: Salmson 9 NG reciprocating
Manufacturer: British Salmson
Normal Ratings
Max continuous:  
Take-off / rated: 134 kW 180 hp
Intermediate:  
Maximum:  
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 Characteristics
Diameter: 12.19 m 40.00 ft
RPM:  
Direction of Rotation: Counterclockwise
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: 116.75 m² 1256.7 ft²
Disc Loading: 7.58 kg/m² 1.552 lb/ft²
Solidity:  
Main Rotor Blade Derived Characteristics
Blade area per blade:  
Tip Speed:  

Primary Control Device

Data on primary control devices such as tail rotors

Tail Rotor Characteristics
Diameter:  
Configuration: Unknown
Direction of Rotation: Unknown
RPM:  
Tail Rotor Blade Characteristics
Number of Blades:  
Blade Construction: N/A
Blade Chord:  
Blade Twist:  
Tail Rotor Derived Characteristics
Disc Area:  
Solidity:  
Tail Rotor Blade Derived Characteristics
Tip Speed:  
Blade Area (per blade):  

Related VFS Resources

Resources related to the C.40 , provided by the Vertical Flight Society.
Forum Proceedings
 
Vertiflite articles
Enter a search term in the box above.
Web files from vtol.org
Enter a search term in the box above.
Webpages from vtol.org
Enter a search term in the box above.

Related Public Resources

Resources related to the C.40 , provided by public sources across the internet.

Images