Vertipedia - Weir W-3

Developed in 1936. Presented at Hounslow Heath, a nature reserve in London, England on 23 July 1936. The autogyro is equipped with a 50 hp engine developed by Pullin.

Overview

Data on design, manufacture and status

Design authority: G. and J. Weir, Ltd

Primary manufacturer: G. and J. Weir, Ltd

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 Single seater 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:
Overall Width:	5.66 m	18.6 ft

Airframe Dimensions
Airframe Length:	4.37 m	14.3 ft
Airframe Width:
Airframe Height:	2.16 m	7.1 ft

Landing Gear Dimensions
Landing Gear Base:
Landing Gear Track:

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

Cruise Speed: 80 mph (128.748 km/h)

Weights
Max Gross Weight (ground):	295 kg	650 lb
Max Gross Weight (airborne):
Max Take-off Weight:	295 kg	650 lb
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:	1

Normal Ratings
Max continuous:
Take-off / rated:
Intermediate:
Maximum:

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

Main Rotor Characteristics
Diameter:	5.66 m	18.57 ft
RPM:
Direction of Rotation:	Counterclockwise
Hub Type:

Main Rotor Blade Characteristics
Blade Construction:
Blade Chord:
Blade Tip Geometry:
Blade Twist:
Number of Blades:	2

Main Rotor Derived Characteristics
Disc Area:	25.16 m²	270.8 ft²
Disc Loading:	11.72 kg/m²	2.401 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 138)
Book

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

Main Rotor Diameter:	5.66 m	18.57 ft
Max Gross Weight (ground):	295 kg	650 lb