Vertipedia - De Havilland C.24

Developed in 1931, the C.24 is equipped with a Cierva C.19 IV three-blade rotor with tricycle landing gear.

Overview

Data on design, manufacture and status

Design authority: De Havilland Aircraft Company

Primary manufacturer: De Havilland Aircraft Company

Parent type: No type defined

Aircraft status: No longer flying

Configuration

Primary flight and mechanical characteristics

VTOL type: Gyroplane

Compound type: N/A compounded with 1 propulsors

Lift devices: 1 Single main rotor

Dedicated control device: 1 Rudder

Crew required: 1 in Tandem 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

Overall Dimensions
Overall Height:
Overall Length:	10.36 m	34.0 ft
Overall Width:	10.36 m	34.0 ft

Airframe Dimensions
Airframe Length:
Airframe Width:	5.97 m	19.6 ft
Airframe Height:

Landing Gear Dimensions
Landing Gear Base:
Landing Gear Track:

Cabin Dimensions
Cabin Internal Height:
Cabin Internal Length:
Cabin Internal Width:

Cruise Speed: 95 mph (152.888 km/h)

Weights
Max Gross Weight (ground):	816 kg	1,799 lb
Max Gross Weight (airborne):
Max Take-off Weight:	816 kg	1,799 lb
Empty Weight:	581 kg	1,280 lb

Climb Performance
Max Rate of Climb:	3 m/s	600 fpm

Hover Performance
Hover Ceiling IGE:
Hover Ceiling OGE:

Limitations
Max Level Flight Speed:	185 km/h	100 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:	1
Designation:	De Havilland Gypsy III reciprocating
Manufacturer:	De Havilland, Engines

Normal Ratings
Max continuous:
Take-off / rated:	89 kW	120 hp
Intermediate:
Maximum:

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

Main Rotor Characteristics
Diameter:	10.36 m	34.00 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:	84.35 m²	908.0 ft²
Disc Loading:	9.67 kg/m²	1.981 lb/ft²
Solidity:

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

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):

References

References and sources used

Helicopters & Autogyros of the World

Paul Lambermont, Anthony Pirie
Cassell & Company Ltd., 1959 (page 113)
Book

The History of the Autogiro (Autogiro Data Sheet)

George Townson
AHS Newsletter, 1961, March 1961 (page 12)
Periodical

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Number of engines:	1 Reciprocating
Max Level Flight Speed:	185 km/h	100 kts
Max Range:
Max Endurance:

Main Rotor Diameter:	10.36 m	34.00 ft
Max Gross Weight (ground):	816 kg	1,799 lb